Header dyno test. They did, and this is the story.

Header dyno test. 5inch cast What's the best shorty header for a blown street car? Bench racing claims abound, but the dyno never lies. For whatever reason, opening up the intake tract drastically improve the AFR Feb 22, 2016 · Back in July or August we grabbed my neighbour Mike’s 2011 Scion tC2 so we could upgrade the intake to an AEM performance air intake and a Dezod Motorsports Red header. 0 just a little May 25, 2011 · BBK Shorty Header Dyno Test Today!!! Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons We would like to show you a description here but the site won’t allow us. By John Hunkins PHOTOGRAPHY BY RICK ANDERSON All header testing was performed by Rick Anderson and Anderson Ford Motors port on a SuperFlow 901 dyno. If you want one of mine,just let me know. I take the Corolla FX16 GT-S to get dyno tested. 827 pins Factory Crank GM Chevy OEM cast iron Vortec Heads GMPP Vortec Aluminum dual-plane + HVH 4-hole Super Sucker Edelbrock Vortec Air Gap dual-plane + HVH 4 this dyno test was done to a completely stock motor. 4L 392 Scatpack adds kooks long tube headers and jumps on the dyno to see how much HP & Torque was gained. 5 compression engine. Nov 2, 2011 · I think in the dyno test referenced, the motor wasn't radical enough to show the gain. 5 inch manifolds that have the correct casting Jan 5, 2008 · Each test was performed through a hi-flow cat converter and 2 1/2" exhaust with a single outlet muffler. Apr 22, 2018 · Header/q16 BBC dyno test Moderator: Team 33 posts 1 2 3 Next randy331 Guru Posts: 3337 Joined: Tue Dec 05, 2006 12:30 am Location: N. I've seen several on none blown engine dyno tests and the collector header out performed the zoomie each time by a pretty good margine. The first comprehensive dynamometer testing (February 2013) was done at the very highly regarded Katech, Inc. Ended up choking the motor by 28 hp! anyone running full length headers or equal shorty headers have any advice on which to try? clearance issues are also a factor since the Aug 19, 2013 · The magazine dyno test of long vrs shorty headers are absolutely meaningless. DYNO TEST ENGINES 454 CHEVY BASE ENGINE The 454 Big Block Chevy engine is the most common in service today. Read on for more details along with photos only in Mopar Muscle Magazine Apr 3, 2023 · C3 Tech/Performance - BBC Header Dyno Test - Just found this. If you recall, Hooker Headers and Reher-Morrison Racing Engines gave … Apr 27, 2004 · I have done dyno results after each of my mods (only have bolt-ons) and I had the headers done early in the mod phase. 5 cid 4. 371 horse power and 419 pounds of torque. com ran a test on a stock 2007 Chevy Tahoe with a 5. One test was against a set of 1 3/4 inch long tube headers versus my chassis fit custom made 1 3/4" short-mid tube length headers. I currently bought reproduction 69 camaro cast iron exhaust manifolds. Results show superior insulating properties and volumetric heat capacity of Nov 17, 2020 · Dyno test: ETS V2 header vs. I believe he is running a slotted K cam and know for sure he is running a modified airbox, E-fan, and standalone FI. I also show results of Dyno test with a different set of headers. ), Feb 16, 2007 · I finally got my 369" SBC motor on the dyno. Mar 26, 2010 · Vizard did some dyno testing on headers and wasn't too concerned with primary length but concentrated on collector length. Jul 9, 2016 · I had my c7 (11000 mi) dyno couple days ago, I was expecting to get 480hp or more from it since I had corsa exhaust 3 inch x pipe it should added another 20hp. Dec 10, 2003 · The first header on the car for the day was the Vibrant Performance JDM Spec 4-1. Of all the headers on hand the generally consensus was that this header definitely appeared to be the prettiest. The 4-into-1 header was well worth the time it took to install because it posted the highest peak power figures of the afternoon. This is the closest engine dyno test to our MM engine I could find. They did, and this is the story. it is a good reference for a stock long block car. During my 3 years there I had the chance to do some very fun things and this header test I organized was probably one of the most well received dyno tests during my tenure there. The largest gains were 16 HP and 11 TQ at 6,500 rpm. MO. digitees. 3L LS engine. engineering facility (Clinton Township, Mich. 5", 1-7/8@10. We hit the dyno with a stout 427ci big-block Chevy to put a variety of Hooker header configurations to the test. The only honest independent comparison of shorty headers was published by Anderson Ford Motorsport on their website, but they didn't test the BBK shorties. They all have different primary lengths, different port exits, etc. No idea on WHP but i am assuming I am over 330HP/330TQ. wengines. 1K subscribers 280 Dec 4, 2021 · Palm Beach Dyno got similar results although harder to parse out because they baselined the truck and then did a tune, headers and a fully custom dual 3" exhaust all at the same time so HP was I think closer to 50 all in (again there's a youtube video for anyone who cares). Basically my headers were down to the long tube headers at 3500 rpm 438tq/292hp to 406tq/271hp. Prior to the tune the numbers were 407hp/417 tq. Our 430 test bike was a strong runner, but has a lot of miles on it! We didn’t suspect any motor issues, but want to be up front with the results. 5" 2-1/8@10. Here are the numbers. Only mods are a MBRP 3 inch cat-back and PMAS intake. We are three generations of family deep and are still run by the man who founded it all. May 8, 2017 · Not only would we see if headers work better under boost, but if and how comparable the gains are to a naturally aspirated engine. Jun 28, 2022 · C3 Tech/Performance - Dyno Test Comparison between Rams Horns and Headers - SBC 12 to 1 4. ” The proof is in the dyno graphs. Jun 20, 2022 · With headers and a 2400 stall, it went a best of 13. 5" dia rams horns and Hooker Super Comp 1. Headers Dyno Test by David Vizard: Below you'll find a dyno chart from David Vizard with some commentary from his "How to Build Max Performance SBCs" book. 060x3. Dec 15, 2019 · Stepped headers tend to be very finicky, and to actually see gains over a conventional primary tube requires closely coordinating the steps with the camshaft and induction system. 2 engine, but with all smog stuff gone. With stock converter and ported rams horn manifolds, it has gone a best of 13. So the headers never really get a chance to show much advantage at the extreme top end. 0 XL on the dyno Saturday night. Put a better cam in the motor and I bet the differences will be much more significant. 5. Most headers are too big for the application anyway. nz - NZ - AU - Global https://garage4age. 6/5. Oct 11, 2016 · How exactly does header design and sizing affect the powerband of the Coyote? We put the 5. Opening up the intake tract completely changed the performance of the headers. What Dan says makes sense though and really proves how mediocre the 530 head is- "The Camaro Exhaust Headers (2010-2015) Install & Dyno Test Review BBK Performance 15. All three of the headers (including the factory header/exhaust manifold) were run through this dyno exhaust system. KillerB Holy Header @33psi and @40psi Proven Power Bragging Like was stated, you can make a dyno graph say whatever you want so the only real test that would make a difference would be identical car just swapping out header designs and running the 1/4 mile, if 50hp is . We have the Car on the Dyno and the header was on loan from a customer. In Dyno Test One of our partners, Bilt Racing Service, performed a quick and dirty comparison test on surface temperatures of exhaust components in one of their Porsche® Cayman® race car builds. Oct 12, 2017 · A quick dyno test to compare surface temperatures of race car's exhaust parts with and without HeaderShield™ wrap. You can see that at lower RPM there was no difference between the two exhaust systems. Dec 29, 2020 · I've seen dyno results for the BBK shorty headers but they were either published by BBK themselves or in a magazine article that was sponsored by BBK, so take them with a very large pinch of salt. Been running the manifolds for almost 8 month. John May 10, 2012 · As some of you know, I bought the BBK tuned length shorty headers a while back. Shorties: 305/345 Long Tubes: 310/332 Punchline Jul 14, 2008 · Kooks Custom Headers offers a trick headers and X-pipe setup which would allow us to use a real 3-inch exhaust "Z06" style, but not necked down to 2. But not this. Header testing itself will be performed in conjunction with ported heads so that differences in exhausts can be more accurately evaluated. 0 on the dyno with a few different sets to find out. What do you guys think of the. To compare the outside temperatures of the uncoated versus coated header surfaces. 86/127 ET to its credit. Popular Hot Rodding tests a variety of header sizes and types from Hooker on a 427ci big-block Chevy to show power trends and performance advantages. 496 spinning 6500 is quite a bit higher at 932 cfm. LIKE AND SUBSCRIBE FOR VOLVO PIMPIN In this episode we see if the kl racing header is a benefit on the k cammed b230f motor in miss huff. No fitment issues at all with this header – very easy install. Or so the story goes. Jul 20, 2009 · So I finally received my Weapon R racing header (Thanks to Marcus from Heeltoe for all his hard work), and have been able to run a before and after dyno. May 6, 2023 · I'm looking for some tri-y headers to Dyno test with My required specs from burns and pipemax are 1-3/4@10. 060 x 3. A wide band O2 sensor was installed in the O2 bung behind the hi-flow converter Dec 13, 2022 · SMOG ERA SBC Manifolds vs. Tune in for more details along with photos only in Mopar Muscle Magazine Large gains everywhere. 7 Peak HP at 6000 RPM originally started out with out-the-box #062 Vortecs and aluminum GM Dual-Plane SBC Mud Truck Engine 361. The only mod at that time was a halltech sidewinder, later switched to the vortex rammer. 5 2-3/8 choke, 3" outlet 32degree sbc with 1406 gasket 4/7 swap cam To Fit a superflow dyno I'm hoping someone might have something either for sale, or would rent me. Jul 1, 2006 · The more adventurous may try different camshafts, carbs, and headers. 5 seconds faster it won't be hard to find the best design and be done with it. We then capped off our installation on our Corvette with a Corsa 3-inch exhaust. Thanks for the interest in my Header. W. How much power did my shiny new exhaust add? What do you think should be the next upgrade? Exhaust install v That was my point exactly! You didn't use the shorty header (on the left side) that was designed to replace the AMC "free Flow" manifold that are used on our AMC cars. 9 Years old. Nov 29, 2019 · Anybody ever done a comparison dyno test? Back in the day 180 headers were common in asphalt outlaw super late model. I know long-tubes are better, but I need smog legal. Our street big-block featured a solid street roller Crane cam and AFR 305cc cylinder heads. People who have the header are happy with the extra power. By combining different headers with similar characteristics, we were able to eliminate several variables as well as use only Jul 3, 2018 · The efficiency of long-tube headers over shorty headers is demonstrated on the dyno with 16 more HP and 16 lb-ft of torque on a mild 351W Ford small-block. First Re: Nick's Garage, 440 header dyno test - 03/19/2105:54 PM I heard Nicks gonna do a water pump dyno test next, then someone will complain about what oil pan’s on it. Mar 8, 2010 · Header bashing (for clearance): dyno test! Car Talk Jan 31, 2006 · Hey does anyone have any dyno runs on different headers to see what kind of improvement they really get? I have a 97 LS with a greddy evo 2 catback and am planning on getting the greddy header to compliment it, but I was curious if anyone had any dyno runs of before and after a header to see So we decided to test the 1320 Header against the Skunk2 Header . Same dyno shop for both runs but different days. com - USA - UK - Global Test engine spec:Modified smallp Aug 30, 2008 · Jim: I think your proposal to test all of the headers for the G8 is a great idea. I'm not a header designer nor do I have enough experience experimenting with different header designs on a dyno to know which method of pairing primaries yields the best results on a D-series engine. I wanted 1 5/8” headers in my nova but found the 195 afr How do the low-buck, EBay, long-tube LS headers compare to the big $ versions? We compared not only the low-$ vs BIG-$ headers, we also compared stock exhaust manifolds vs shorty vs long tubes. 490 Factory powdered metal rods ARP bolts . 2L LS, with the dyno charts to prove ii. This will give you an idea of how well Jun 4, 2013 · Long story short, I located a dated 69 427 motor 512 casting out of a 69 Impala SS. which he just won the National championship 2009 in a Xr that being said. Tests i Dec 21, 2023 · I am building a stout small block chevy and was wondering if it was on a dyno how much difference between a set of headers over ram horn 2. Dec 14, 2011 · Here is the Mugen header dyno test that I referred to above, can't really complain about the power curve. Personally, my thoughts are, I don't really know which one would make more power everything being equal on a blower motor. Unfortunately the dyno results of the header were less than impressive. I honestly don't think it would be worth the $50-$75 dyno pulls to test out the stock catless headers. I am wanting more power now, would swapping the manifolds to Hooker or Doug's headers Dec 22, 2023 · C7 General Discussion - Dyno numbers after kooks headers and catless xpipe - Recently got my car tuned. Sep 18, 2009 · I have attached a professional dyno test review of the FRPP shorty headers on a Cobra 4V NA 10. Old dyno was on cold winter day and new dyno was in high 80s. I got them installed last week, and finally made it back to the dyno today. You may remember Mike&… Beta 430cc Race Edition Dyno Testing We dyno tested a 2021 Beta 430 race edition using the 22 fabrications header designs. 3K views 5 replies 4 participants last post by RAFAGR86 Mar 27, 2025 CharlesV Discussion starter Oct 2, 2013 · The test started like any other chassis dyno session. can pickup within 5hrs of Richmond, VA. 5mph. Nov 29, 2012 · The current modifications to my TSX are as follows 04 TSX MT - Homemade Short Ram - CT Eng. I know that they are both firing order type headers. Car Craft did a header comparision several years ago. Regardless of the test agenda, any problems discovered will be easier to correct on a dyno stand than under the hood. Feb 22, 2016 · Back in July or August we grabbed my neighbour Mike’s 2011 Scion tC2 so we could upgrade the intake to an AEM performance air intake and a Dezod Motorsports Red header. Jun 1, 2008 · The Test We settled on three different header tests for our dyno session that covered some of the biggest design decisions most racers face: Stepped versus straight tubes, equal-length versus Nov 5, 2023 · I talk about the importance of headers. It did have the 2100 carb and HEI for the test, but everything else was stock. 7-Liter Hemi on the engine dyno at Westech. Sep 16, 2025 · Author Topic: New Fullsac Performance M8 Sportpipe dyno test! (Read 5718 times) 0 Members and 1 Guest are viewing this topic. The comerical header manufactors build terrible collectors on there shorty headers. For reference I have a 2014 m7 stingray with kooks 2? long tube headers and catless xpipe, stock exhaust, afe cai. 10 in ET and 1 mph. Strongly cammed 427 peaking at 6700 rpm with AFR heads. Engine builder rebuilt motor to 425hp specs, bump compression to 10:1. We rolled the car onto the lift, backed it onto the roller, and strapped it down. 3L V8 with stock manifold and exhaust, Gibson shorty headers with an after-cat exhaust to match, and Stainless May 19, 2018 · Very interesting results with the addition of a KL Racing header to Kolton's 744 B230F. comEmail: weingartnerracing@gma The Test We settled on three different header tests for our dyno session that covered some of the biggest design decisions most racers face: Stepped versus straight tubes, equal-length versus unequal-length primaries and four-into-one collectors versus Tri-Y collectors. Dec 6, 2013 · C7 Tech/Performance - Some facts about Tri-Y Headers vs 4 into 1's - Kooks headers and Exhaust has been in the business since 1962. Dec 3, 2010 · New tri-y's on the dyno? Exhaust TECHI am considering the new 1 3/4 D port tri-y's from "tunnel port" but was wondering how they compared on a dyno to similar 4 tube headers? Jul 4, 2004 · Anyone have any dyno numbers for JBA shorty headers? I searched but did not find anything. The dyno tests were done by Richard Holdener in his book "Building 4. While this test may have best benefited our Smeding 383ci combination, there is still much to be learned from it. You can build a Header if you wish. You used a more restrictive left side shorty header for your test. laid over each other, we can see some important differences between the short, straight-through system, and the S&S SuperStreet system. My car: 2005 Acura TSX 6 speed Manual Mods on base run: Air intake resonator box removed (stock paper filter) Non-Stop tuning pulleys (again Kooks Custom Headers offers a trick headers and X-pipe setup which would allow us to use a real 3-inch exhaust "Z06" style, but not necked down to 2. Get merch: https://garage4age. Nov 15, 2013 · We dyno test six sets of headers to explore how different parameters can change your engine’s performance Apr 1, 2008 · To properly test not just the tri-Y and 4-into-1 header designs but also the stock exhaust manifold, we assembled a B16A test mule. 5-inch section of tubing connected to a 3-inch, 90-degree elbow, and finally out to a 6-inch evacuation tube. He said a primary variation of 9 inches was acceptable. Test Engine & Equipment Chevrolet 406 cu-in small block 11. Get the best fitting header for the car that fits the head port. May 1, 2004 · Tune in as we take a look to see if bigger headers are better for your engine, as we put a few torqued headers to the test. in this its my base, Intake Installed, and intake and exhaust installed you can see the top end gained a very good amount of power as much as 20whp over stock. <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> Frank. Here's the headers on the stock intake vs the headers on a stock intake with the charcoal delete and GR drop-in. NEW VOLVO DRIFT PIL Oct 1, 2007 · Here is the dyno with the hks exhaust and i must say i am very impressed with the findings. From that point on the custom headers started to make Jan 14, 2009 · Using a 700hp 540ci Big Block Chevy engine, we go through various trials in testing different Hooker Headers to see which set of headers worked best with this engine. Jul 9, 2020 · The test is kind of pointless and shouldn’t be used to say “headers are only worth 15 hp”, or whatever the difference is. 0 seemed like a great size - and that is the same size as the street Hedman's are that fit our C3s. Dec 4, 2024 · What makes the biggest difference when tuning an LS motor? We put a 5. Fourwheeler. So I really can not comment on the conditions the engine was tested in. I am very impressed with the TTR 2035 for such a cheap pipe Nov 12, 2002 · It is hard to compare dyno runs from different days and even worse . No changes to the car other than the headers, and it did pick up a bit of power. but when I see the result I was shocked:upset: what might the problems for loosing so much power? Dec 21, 2017 · We ran ambient-temperature dyno water through the Procharger intercooler core for this test, and we purposely kept the total ignition timing at a pump-gas-friendly 19 degrees (at the power peak). mid-peak because yes you removed a bit of restriction but the piping diameter is still the same. In this Ted from Jannetty Racing talk about the performance gains adding long tube Dec 9, 2019 · Early V8 Dyno Work Early V8 (1932-53) Jan 5, 2014 · I've never seen a zoomie vs header dyno test on a blown engine. 1K views 8 replies 8 participants last post by crip Jun 6, 2012 P Oct 10, 2012 · Just got back from the dyno, and while not exactly a straight swap, it's pretty close. Factory NOS manifolds with port work, Dyno sheet the lighter set of lines is the 1 5/8 headers and the darker Jun 21, 2022 · Dyno test: ETS V2 header vs. Being that we had engine dyno numbers on the engine (541 hp May 29, 2006 · We dyno test the headers and manifolds on a GM Performance Parts LS1 engine to see which combination yields the best V8 engine performance - Car Craft Magazine Mar 29, 2010 · BBK Shorty Header Dyno Test Today!!! Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons We ran a series of dyno test on my 401 yesterday. After my cam, headers, airaid jr, catback and 91 tune i made 411 HP/407 TQ at the crank. KillerB Holy Header @33psi and @40psi 1 reading Jump to Latest 7K views 5 replies 3 participants last post by user1029 Nov 18, 2020 Ok, here's a dyno comparison of the PowerBomb header and stock head pipe. JDP Motorsports - 2010 Chevrolet Corvette ZR1 Sound comparison bone stock then with the brand new Pfadt Race Engineering Tri-Y long tube headers and high flow cats, installed by JDP Motorsports. Sep 3, 2011 · Here's an interesting article I came across while looking into long tube headers that I thought some of you might like. The wideband readings also make it pretty clear why. From the long tube headers to the polished exhaust tips, the LG Super Pro Header System is a complete 3-inch exhaust solution for LS3/L99 powered 5th Gen Camaros. Apr 17, 2020 · We compare cast-iron exhaust manifolds to long-tube headers on a 5. Find out which will work best On the engine dyno, a header swap takes all of five minutes or so, which is why we chose to conduct testing on such a dyno in the first place. But good data. I had a Borla Cat back Atak and a K&N CAI Before install of the headers. Nov 4, 2005 · Picked up my 347 stroker from the engine shop today made 478hp with dyno headers then installed the good ole tri-y set up. cant wait to get headers and see the gains. It was obvious that I was less than pleased with the peaks in HP and Torque. Since this engine is made of stock castings, overall breathing ability is rather limited. My trucks baseline Dyno was 255 HP/275 TQ. Jun 2, 2012 · K-Powered K-Series Header Dyno Test Jump to Latest 8. Nov 27, 2015 · In the first part of our Header Theory posts, we dug into the whys and how of header primary tube length. 1-7/8 better than 1-3/4 by 20 HP , from 4500 rpm up 2. The rams horns are reproduction 2. These should help people and save on a little research time when trying to figure out the best headers. = Home = Introduction = More Info = Multimedia = Contact Info = Test Results = Buy Now! Apr 30, 2004 · The difference between a fully ported set of 2. Found in numerous Jet and Bravo drive boats. May 11, 2014 · We have just finished bolting together the 521 for my 67 Mustang. Header size was 2 1/8 inch, no mufflers. Builder and Machinist of the fastest pound for pound NA oval port big blocks on the planet. To determine whether tuning modifications are required when changing from uncoated to NitroPlate coated headers. Nov 27, 2007 · Nitro Off-Road - Tuned Pipe / Header dyno test results - here is some header and tuned pipe combinations tested on my modded P7R. 5:1 Sep 24, 2010 · The odd dyno curves with the larger headers sent us scurrying for answers, and the ones we found pointed us toward internal engine tuning. 78 @ 100. Jun 16, 2024 · Intake/SME Header dyno test results Jump to Latest 2. I submitted a fairly lengthy post late last week about my experience with dyno testing the JBA shorty headers on my moderately modded car. catback Exhaust Dyno Test Background and Methodology: This test was between two of our Evo 8/9 Divided T4 standard placement/bottom mount manifolds, with the runner/primary size being the only variable- identical placement, routing, and design with near equal lengths. Header - Random Tech High Flow Cat - Apex WS - P2R TB Spacer - Hondata Reflash The changes made here are the PLM header and test pipe that replace the Comptech Header and Random High Flow Cat. 1 ft-lb@ about 2250 RPM's Kooks LS3 Header Dyno Test & Install Kooks Custom Headers offers a trick headers and X-pipe setup which would allow us to use a real 3-inch exhaust "Z06" style, but not necked down to 2. We decided to compare my FPA swap headers to a set of proper 2" tube fox body swap headers we had lying around Small FPA headers (1-7/8 tubes into Nov 9, 2010 · In this tech article HIGH PERFORMANCE PONTIAC compares aftermarket he compare headers with stock exhaust manifolds in a huge dyno test to see which makes the most power - High Performance Pontiac Test Objective To determine whether NitroPlate coated headers provide additional horsepower and torque versus uncoated (painted) headers. I also know that Tri y headers are on all the fast cars and Jul 1, 2002 · Has anyone here actually seen a magazine or web site compare Tri-Y headers to long-tube headers on the same engine on a dyno? I've heard the tri-y's are supposed to make more torque, but I've never seen any actual testing done. Sep 10, 2019 · We dyno test two styles of turbo manifolds to quantify the differences between the two designs on a turbo 5. different dyno's I am not trying to trash your thread but because of 2 different shops being used the data shown is not accurate unless you can verify dyno to dyno consistency. You may remember Mike&… Oct 21, 2020 · Exhaust - Thirdgen Header option chart - explained - I made up a chart of SHORTY headers for Thirdgen's. Joe Sherman could have wrote the script ahead of time on the results. The shorty header and stock manifold were bolted to the same converter via an extended hook-up pipe. The Header test from many month's ago is still unanswered. Just intake and exhaust header along with a stand alone fuel management. 75" headers was about 10% of my power on my 1972 LT-1 motor during a dyno test of the motor (394HP manifolds/426HP Hookers. Justyn throwing down 336whp/272wtq through a 7AT with ISR Performance Longtube headers and Y pipe, AdminTuning intakes and Tomei Powered Inc. as per class rules, he runs DSP scca. The hi-flow converter was set back in the tunnel to allow the long tube headers to be bolted directly to them. Lotta $ money for the gains though, not sure about bang for the buck ranking but I like the power curve. . 3L LS through rigorous dyno testing to find out. Still using the stock mid-pipe as well. The 60 ft time dropped from 1. Apr 14, 2012 · This thread is for R/T owners interested in JBA shorty headers. 00 with ported TFS Double Hump heads, Factory GM Holley Intake and Holley Carb. Website www. The test engine was our tried-and-true 427 stroker. 166. Engine will be dynoed within the next 4 weeks as Jul 15, 2015 · I swapped from FRPP 1 5/8 Ceramic Shorties and a Pypes catless O/R x-pipe to BBK 1 5/8 LT headers with BBK H-pipe. much better then i expected. Dec 26, 2019 · LS engine expert Richard Holdener tests a Summit Racing camshaft swap on a 6. I gained 30RWHP:jawdrop: and 26TQ:woot: Challenger r/t dyno - YouTube Dec 1, 2002 · In this segment, we're going to modify our 1971 Dodge Charger R/T with a MagnaFlow exhaust system and Hooker headers upgrade. I am at 2000' Above sea level Jul 26, 2015 · If any bigger gains would be made I would think it would be in the lower end rpm range vs. The test subject has a stock motor, TM40, open airbox and PowerCore 4 muffler. co. 4L Ford Horsepower on the Dyno". Either n/a or blown results would rule! Mar 30, 2015 · Wow, your numbers seem low. Apr 1, 2000 · We decided to test short-tube headers versus long-tube headers on the dyno and find out. 2. May 1, 2021 · No header test will be accurate. ) Feb 4, 2011 · One of the things I wanted to test was the headers vs stock rams horns exhaust manifold topic that seems to come up from time to time. and like any dyno operator will tell you it’s a full throttle test so it has no bearing on part throttle operation. With a power capacity approaching 600 hp, the test engine represents a hot street/strip big-block. We would like to show you a description here but the site won’t allow us. 10 with the stock converter, so that explains the bulk of the ET difference. 454 spinning 5300 has a CFM capacity of 700 cfm. I estimate the headers were only worth . The header test is simply being delayed due to putting the aluminum cylinder head testing to the forefront. I have seen regular headers vs Tri-y dyno tests. We picked up Jan 27, 2011 · This dyno test was done for the customer by another shop separate from mine, although I also dyno tested it in my shop. with just bolt on's. ” What does that mean? As Todd explains, “A wide-open system could be costing you mid-range performance. We first ran the B16A test motor with the stock exhaust. 625 x 6. Vintage Road Race. HOW MUCH POWER ARE LONG TUBE HEADERS WORTH? WHAT MAKES MORE POWER, 1 3/4 HEADER OR 1 7/8 HEADERS? WHICH HEADER SIZE MAKES THE MOST TORQUE? DO LONG TUBE HEADER IMPROVE LOW SPEED TORQUE? Feb 14, 2024 · Project Magneto, our 2018 Mustang GT, received a fresh transmission and headers – would the new parts help us break 600-rwhp? Why Your Dyno Figures Might Be Wrong and Your Horsepower Comparison is Invalid! Dec 9, 2018 · SBC various Vortec Dyno Tests and Flow Sheets 426. creator-spring. Tests include 1 ¾-inch long tube, 1 7/8-inch long tube, 2 Dyno Testing of Ultimate Headers Ultimate Headers has undertaken a comprehensive testing program, using outside, independent engine testing facilities to determine the effectiveness and efficiency of the Ultimate Header design and product. 6. The dyno exhaust consisted of a 2. the exhaust is to In this video we install a set of 41" long 1 5/8" diameter primary tube headers with 3-inch collectors and run a dyno test on them. 3L V8 with stock manifold and exhaust, Gibson shorty headers with an after-cat exhaust to match, and Stainless Are EXHAUST Modifications REALLY Worth It? Full Exhaust to OPEN Headers! (Exhausting Dyno Test) - YouTube = Home = Introduction = More Info = Multimedia = Contact Info = Test Results = Buy Now! Oct 12, 2020 · Ford Inline Six, 200, 250, 4. 80 to 2. Here are the results of the free flow (massaged) manifolds, We test a variety of header sizes and types from Hooker on a 427ci big-block Chevy to show power trends and performance advantages. The Mustang still has stock schock towers so headers are a bit of an issue. What gears do you have, I wonder if your Altitude makes a difference. The stock oval port heads were used. The results they shared with us explicitly show superior insulating properties and volumetric heat capacity of HeaderShield™ Thermal Management System. Aug 10, 2017 · Here is that dyno graph of the 383 on the dyno I mentioned in the post above. 22 @ 101. First pull was back in April with a stock CA 4. 9L / 300 - 300 Mods and Dyno results - There's a neat you-tube video by powernation, where they they take an industrial 300 motor and add mods and dyno test how each mod affects torque and hp. For the test,Rick borrowed the stock short-block from his own car, an '88 LX with 56,000 miles on it and a 10. Sorry I'm not literate enough to post a link. To prevent this from becoming an exhaust system shootout rather than a simple test of short- versus long Sep 20, 2019 · Each component is designed to make power. Think it did ok. 5-inches like the original Z06. Jun 14, 2010 · Kooks Custom Headers offers a trick headers and X-pipe setup which would allow us to use a real 3-inch exhaust "Z06" style, but not necked down to 2. Dec 13, 2021 · Put my 21 5. wsymz vaey afcmk lml zjhpz hdft omc vphpd suzdgr opuf