The port diameter for all three heads was 1.63/2.38 on the intake, and 1.46/2.00 on the exhaust. Im trying to leave this pretty much as is, until I get a few good drives in. Performance Alum, 4.6L 2V P.I. They must use the same mufflers. Compromises affecting BOSS 302 performance were made in meeting those objectives. The Moroso oiling system included a full-length, louvered windage tray matched to a deep-sump oil pan and matching pick up. The darned thing was rabid dog fast. Boss 302 Mustang; Overview; Manufacturer: Ford: Production: 1969-1970 and 2012-2013: . Ford has always been a car company that dared to go where no automaker had ever gone before. The odds of you building a vintage Ford BOSS 302 engine are slim because Ford built so few and so many are already spoken for. We got more than 450 HP on Fords dyno when we blew right rear tire and it took out Ford training board. Exhaust flow with a 1 3/4 inch pipe and standard comp. Battle Of The 1969 302-Cube Powerhouses: BOSS 302 Vs. DZ 302 - EngineLabs I am presently installing a 302 clevor into a 83 mustang GT. Red The oiling system upgrades were critical for our high-rpm needs. 1970 Intake - 2.19 inches Exhaust - 1.72 inches. His main differences from stock are the carburetor size and compression ratio as noted below. The 302 block appeared for the first time late in the 1967 model year in both 289- and 302-ci applications that had a C8AE or C8OE casting number with a "302" in the valley area. CNC Rons Porting Service Alum, Edelbrock/ Chapman Victor 18 Deg 61159 Alum, Edelbrock/ Chapman Victor 23 Deg 61209 Alum, Edelbrock/ Chapman Victor 23 Deg 61229 Alum, Edelbrock/ Chapman Victor 23 Deg 61249 Alum, Edelbrock/ Chapman Victor 23 Deg 61209 Revised Smithberg Racing Alum, Edelbrock Victor Jr. 23 Deg. When we say consideration, we are not just talking about the camshaft, we are talking about all the other parts of the engine and drivetrain. This 1970 Ford Mustang Boss 302 is powered by a numbers-matching 302ci V8. All Cleveland style heads including the BOSS has 1.73 to 1 ratio rockers. 9,000 RPMs will crack the cast iron spring seats and flatten out the stamped steel spring seats. 1.73:1 rockers, 522 lift 292 duration nets 420 HP at 6300. Ford Small-Block Engine Interchange Guide: Cylinder Block 4) The values for HP and Torque vs. RPM are for reference only. CNC ported heads, revised camshafts and a high flow "runners in the box" intake taken from the 302R racecar. HOLMAN and MOODY C30Z
Number Produced; Calypso Coral: 3: 410: Acapulco Blue: 6: 375: Bright Yellow: 9: 649: Wimbledon White: M: 194: 1970 Boss 302 . Performance Alum, 4.6L 4V '99-'01 Ported Full C.A.P.A. 1970
Ford 335 engine - Wikipedia I always figured that Autolite intended for people to index the spark plugs because they sold 10 plugs in a box, which is perfect amount the for indexing. Tell ya what ,leave the ford enginrs to the ford guys, and you keep playing with that some ole cookie cutter bowtie garbage youre so used to. SBF Head Numbers. BTW, the 1969 - 1970 Boss 302 had an engine code of "G", and were factory rated at 290 HP @ 5,800 RPM and 290 FtLbs @ 4,300 RPM. Hi-Po connecting rods, a forged crankshaft, a four-barrel carburetor, and high-flow cylinder heads. . A standard Cleveland head's flow numbers of 278 cfm on the intake and 178 cfm on the exhaust are quite impressive. Thats OK because there is a windage tray which prevents the crank shaft from frothing up the oil. We started FORD Drag Club at Horn-Williams Ford in Dallas,Tx. He did not build a 100% stock engine. Your email address will not be published. I used a DuraSpark II ignition module and distributor which would keep the dwell at exactly 34 degrees, and I used a 40,000 volt coil. Pontiac was the outlaw division. Raced and owned quite a few Boss 302s. Also; I had Carroll Shelby/SAAC racing program in several other FORD dealerships . Wanted one all my life. Stock Valve Sizing c. Small tube headers with mufflers d. a 750 cfm carb. Ford went to Le Mans and beat Ferrari not once, but four times, settling an age-old dispute over who had had the fastest cars in the world. For dyno use, we installed a 950 HP Holley-again more than enough carburetion to reach our goal of 500 hp. Flow numbers? | Mustang and Ford Performance Forums . SBF Pro1 20 170cc Heads - Dart Machinery Ported Patriot Performance Stage I Alum, 4.6L P.I. Ported Kaase Boss Hemi heads - flow test - 429-460.com But that is another dyno story for another day. He ran simulations based on his needs/desires to help choose his camshaft. Crane 363841
The total advance should be 36 degrees by 2,500 RPMs. Changing the carburetor size or compression ratio had the same effect on almost all of the cams so you can still compare one camshaft against another, apples to apples. Because the 302 Tunnel Port called for high revs in the 9,000 rpm range to make real power, racers scattered these engines all over racetracks across the country and left feeling defeated. The engine was factory rated for 290 horsepower at 5,800 rpm and 290 lb-ft of torque at 4,300 rpm, and power is sent through a four-speed manual transmission to a 9 . Many assumptions are made by the program designers for all input parameters so the actual HP and Torque values may differ from those achieved in reality. The as-cast port dimensions (170cc intake and 66cc exhaust) compared very favorably to the stock E7TE 5.0L head castings. The 4V heads could out-flow Chevrolet Double Hump heads and Chrysler's high-performance 340 heads. HERBERT CJ4S
The Comp roller cam checked in with a 0.731/0.716 lift split (with 1.73:1 rocker), a 252/264 duration split at 0.050-inch, and a tight 107-degree lobe separation angle. We got our answer. The Ford 302 H.O. Heads - BOSS 302 boss 302 tunnel port info? flow numbers - Forums You need to do your homework and consult with your engine builder. Ford Boss 302 Engine Build - Build A Better Boss - Tech - MotorTrend The casting number is located where the starter bolts up to the bell housing. Speaking of high rpm, the mild stock Boss 302 stick from Schneider cams was not going to get the job done, so we initially swapped in a roller profile from Comp Cams that we happened to have from a previous project. I had 90 runs on an original Boss 302 in a 70 Mustang. VJ Bowl Cutter I-33 E-33 Back Cut Weingartner Racing Brez, Chevy 14011076 Ported BH Performance Alum, Chevy Bowtie Weingartner Racing Ported Brez, GM / DRCE 1 PS 2004 - Darin Morgan SF600 Alum, GM / Pro Mod 5.2 BS - Darin Morgan SF600 Alum, AFR 265 Oval CNC Chamber Partially Ported SF600 Alum, AFR 265 CNC Chamber Wolfplace FlowData Alum, AFR 305 CNC Chambers Partially Ported SF600 Alum, AFR 305 VJ Bowl Work Foxwell Motorsports Alum, AFR 335 Ported Foxwell Motorsports I-45 E-45 Alum, AFR 385 3v Performance Bad Port Out of Box Alum, AFR 385 Out of Box Weingartner Racing Alum, BMF 310 Out of Box Weingartner Racing Alum, BMF 310 Out of Box Weingartner Racing Brez Alum, BMF - Texas Pro Stock Ported Slick Rick Racing Heads Alum, Brodix RR BB-O CNC Chamber Wolfplace FlowData Alum, Brodix RR BB-R CNC Chamber Hekimian Racing Alum, Brodix RR BB-R Ported Mike Stark I-45 E-45 Saenz 680 Alum, Brodix BB-1 26 Deg 305 CNC M2 Race Systems Alum, Brodix BB-1 26 Deg 308 CNC M2 Race Systems Alum, Brodix BB-2X 26 Deg 3V Performance Ported Alum, Brodix BB-2Xtra 26 Deg CNC M2 Race Systems Alum, Brodix BB-3Xtra O 24 Deg 335 CNC I-45 E-45 Alum, Brodix BB-3Xtra O 24 Deg 380 CNC I-45 E-45 Alum, Brodix BB-3Xtra O 24 Deg 332 CNC I-50 E-50 Alum, Brodix BB-3Xtra O 24 Deg 351 CNC D & F Alum, Brodix BB-3Xtra O 24 Deg 351 CNC I-50 E-50 Alum, Brodix BB-3Xtra O 24 Deg 365 CNC I-50 E-50 Alum, Brodix BB-3Xtra O 24 Deg 3v Performance Bad Port Alum, Brodix BB-377 HH 24 Deg Oval CNC I-52 E-55 Alum, Brodix BP HH BB 383 24 Deg Oval CNC I-52 E-55 Alum, Brodix BP HH BB 383 MC 24 Deg Oval CNC I-55 E-55 25/50 Alum, Brodix BP HH BB 395 MC 24 Deg Oval CNC I-55 E-55 25/50 Alum, Brodix HH 383 Oot of Box Weingartner Racing Alum, Brodix BB-4 24 Deg Raised Port MBE SF600 Alum, Brodix BB-4Xtra 24 Deg M2 Race Systems CNC Alum, Brodix Big Duke - PB 1800 18 Deg Ported Alum, Brodix Big Duke - PB 1801 18 Deg Ported Alum, Brodix Big Duke - PB 1802 18 Deg CNC Chamber Alum, Brodix Big Duke - PB 1803 18 Deg CNC Chamber Alum, Brodix Big Duke - BP PB 1803 18 Deg CNC Alum, Brodix Big Duke - KC PB 1803 18 Deg CNC M2 Race Systems Alum, Brodix Big Duke 12 Deg CNC Slick Rick Racing Heads Alum, Brodix - KC PB 5000 5.0 Inch BS 15 Deg CNC Alum, Brodix / Sonny's PB 2005 14.5 Deg I-55 E-55 Alum, Brodix / Sonny's PB 2005 14.5 Deg Minor Port I-55 E-55 Alum, Brodix / Sonny's STS PB 2005 14.5 Deg E-Tulip I-55 E-55 Alum, Brodix - Texas Pro Stock Type Ported Slick Rick Racing Heads I-50 E-55 Alum, Brodix SR20 Conventional Darin Morgan Alum, Canfield 310 VJ Bowl work Chad Speier Alum, Canfield 310 Ported CFM Technologies Alum, Canfield 310 Ported Foxwell Motorsports Alum, Canfield Ported Foxwell Motorsports I-45 Alum, Canfield Ported Champion Racing Heads SF600 Alum, Canfield 310 Weingartner Racing I-BC E-Tuliped Alum, Canfield 310 2012 Foxwell Motorsports Alum, Canfield 310 2012 Foxwell Motorsports CNC bowl blend Alum, Canfield 360 Ported Foxwell Motorsports Alum, DART N.E. Use information at your own discretion and risk. Depends on material old school rubber gets lube, the Polytetrafluoroethylene rubber gos on dry. You may also cruise the online auctions for a vintage 5.0L roller block (F1AZ-6010-B). ERSON 210021
Perhaps you should do a YouTube search for Ford 302 boss vs 302 Chevroletperhaps it could wake you up on how much you DONT know about ford racing . Of course, this all changed when guys like Airflow Research, Dart, and Trick Flow started offering performance aluminum heads for the 5.0L. Crower 15321
Said to be "overvalved" for street performance. But, off the top of my head I seem to recall 267 on the intake and 187 on the exhaust. Link below why lighten flywheel causes misfire:https://youtu.be/DtoVd5RNUWgTremec Trans T56XL Gear Calculator:https://www.tremec.com/calculadora.phpBoss Cylinder Heads Livernois:https://www.livernoismotorsports.com/product/LPP760111/powerstorm-ford-5-0l-2011-14-boss-series-cylinder-headsBoss Ported Intake Video:https://youtu.be/MGEm4RBGI0Q As the 1968 Tunnel Port engine turned into a disaster, someone at Ford Engine Engineering got the idea to put a set of Cleveland heads on a Tunnel Port block and thus was the beginning of what would become the BOSS 302 engine. Fords great success with its powerful V8 engines is legendary. The Boss 351 head has screw-in studs and guide plates, and it has the same D1AE-GA casting number meaning both have the same head casting, but are machined differently. Can you further help me with where to buy this? We also threw on a Holley 950 HP carb, and tried a few different carb spacers, as well as lash adjustments on the combination, with a lash of 0.010-inch on both the intake and exhaust working best with the Comp cam. e. Dual Plane Manifold, High Flow configuration f. 10:1 Compression Ratio. Crane POWERMAX H-282-2
History of the 1969 and 1970 Boss 302 Mustang | CJ Pony Parts Cast from diesel grade iron and designed with added material in key areas, BOSS block strength is far superior to any Ford OE block ever produced. Isky 381370
TRW developed these pistons and suppled Ford with them for both racing and production engines. The as-cast, production Boss/351C 4V . Although dual-point distributors reduce point bounce, they dont eliminate it. M-9439-A50 and FelPro exhaust gasket part number 1415; Part Type. BOSS 302; Circle Track; Contingency Program; Dealers. Great article is there a video available ? Changes in curve SHAPE will predict performance changes in combination. We swapped out the original Comp cam and installed the stick from Cam Research Corp (www.cam
JPC- 2015-2017 Mustang GT Tremec Magnum XL Complete Conversion Kit . HOLMAN and MOODY C7FE
Schneider 1300
This is a little known fact; the US-DOT allowed manufacturers to use thinner sheet metal in 1970, so the 1970 BOSSes are about 300 lbs lighter than the 69 BOSSes. The 351 Cleveland Cylinder Head - Cleveland's Forever Clay Smith C3048b
Once we had emptied our bag of tricks, we were eventually rewarded with peak power numbers of 520 hp at 7,200 rpm and 399 lb-ft at 5,700 rpm. I never did own a Boss 302, but I was around them when they were new.I have had lots of 351C. Wondered why it did not come up to the full line at 5 quarts. Ported Bullet Cylinder Heads Alum, Edelbrock 23 Deg. This is because of the compression ratio. BOSS 302 ENGINE BLOCK| Part Details for M-6010-BOSS302 | Ford Crower 15313
Small block Ford PRO1 20 170cc Aluminum cylinder heads feature high flowing as cast ports with profiled valve guide bosses and are bowl blended on 5-axis CNC machining centers. CNC Rons Porting Service Alum, Edelbrock 18 Deg. 1969
. Something is very wrong with this, a blueprinted stocker should be in the 375-400 HP range. A standard Cleveland head's flow numbers of 278 cfm on the intake and 178 cfm . Performance Alum, 4.6L 2V P.I. Above you see a casting with a D1ZE part number. In my 70 years of fooling with cars, we always had a formula. Though not designed specifically for our CHI-headed 302, the Comp roller worked well and allowed us to exceed the 500hp mark. c. Small tube headers with mufflers
Power Numbers-Boss 302 Vs Modified Vs Cam Research. Bullet Racing
That engine would spin all the way to 9,000 RPMs with NO point bounce. Marvin Shaw built us some nice HP heads for our later 1989 Super Stock Mustang driven by Charlie Ford who set 1/8th mile record under 6 seconds in 89/90 . Here is some numbers from some EQ heads that I bought through my local machine shop in Winnipeg. There are plenty of them lying around used and new-old-stock. Because the BOSS 302s heads sported monster-sized intake ports, these engines had a high-revving demeanor with peak torque and horsepower coming in around 7,000 rpm instead of the Tunnel Ports outrageous nine grand. ERSON 210301
Lunati 40608
3-angle VJ Meaux Racing SF600 Iron, Chevy 291 Rect. b. While the CHI heads offered CNC combustion chambers and an impressive 320 cfm right out of the box, they were given the once over by the gang at Dr. Js. The original Holley 780 CFM carbs are OK, but the Autolite 4100 is superior because it atomizes the fuel better and it doesnt leak externally like the Holley does. All Cleveland heads can be used on 351C, 351M, and 400 blocks Edelbrock, CHI, and AFD all produce aluminum alloy Cleveland heads Factory quench chambered 351C 4V Cleveland heads are identical to Boss 302 Heads other than water jacket locations For complete historical data on the Cleveland see The Ford 335-Series Engine at Wikipedia. It appears it was designed to flow well at .500". At the stock compression ration of 10.5:1, spark plugs will only last 6 weeks of city driving. Keep it under 7,000 or use titanium spring seats. The Windsor block's cylinder heads were replaced by the less restrictive Cleveland engine heads. Building LS garbage? The C3H is Yates but has a higher intake port that requires a specific intake manifold. The rods are forged steel and are the same as the 289-HiPo but the BOSS used better rod bolts. Because the new 351 engine had the same bore spacing as the 289/302, it seemed logical for Ford to adapt this high-performance cylinder head to the small-block Ford V8. Please read the following disclaimers and information carefully. That kind of flow through stock castings is outstanding in any case. Ported Chapman Alum, Edelbrock 61139 Victor 15 Deg. Some from their Web Site updated Aug. '12. I set the valve lash at 0.022 instead of 0.025 and I gaped the plugs at 0.025 instead of 0.035 so there were NO miss-fires. For the 1968 Trans Am season, Ford took the 302 cubic inch Tunnel Port out there in search of victory. Mod. Having easily surpassed the 372 hp put down by the stock Boss 302 and officially reached our goal of topping the 500hp mark, you'd think we'd call it a day and head down to the local tavern. The owner let me come in on a Saturday and do some clean up on the bowls first and then do a bit of porting under his guidance. 7) Most curves utilize the following parameters: a. 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Ported Steen Racing Stage 1 Alum, '99 & up P.I. If you are building a stock engine with all stock parts then you can probably rest easy without too much thought using the stock Ford camshaft or one that is similar. The engine was a 302 HO or a 302 Special, but now every one calls the engine a BOSS 302. Gross lift was obtained by multiplying lobe . 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Small Block, Dick Miller / Bulldog Performance - Street Strip Alum, Dick Miller / Bulldog Performance (EMC) Offset Pushrod Alum, Rocket Racing Ported RR Cylinder Heads Alum, Rocket Racing / Wenzler Mild Cleanup Alum, Rocket Racing / Wenzler Street / Strip Ported Alum, Z Head Ported Stage 1 Brad Wise I-52 E-45 SF600 Alum, Z Head Ported Stage 2 Brad Wise I-52 E-45 SF600 Alum, Z Head Ported Stage 3 Brad Wise I-52 E-45 SF600 Alum, Z Head Ported Stage 4 Brad Wise I-52 E-45 SF600 Alum, Vauxhall/Opel XE 16V Ported Sabre Heads Stage 1, Vauxhall/Opel XE 16V Ported Sabre Heads Stage 2, Vauxhall/Opel XE 16V Ported Sabre Heads Stage 3, Vauxhall/Opel 2.0 Ecotec Ported Sabre Heads, Pontiac 5C SD Performance Ported SF600 Iron, Pontiac 6X-4 '77 Ported NHRA SS Brett Voughes - Gary Hetler I-45 E-45 Iron, Pontiac 6X-4 I-30 E-45 Ported Paul Carter SF600 Iron, Pontiac 6X-8 '77 Fully Ported Flowtech - Steven Magnotti SF110 Iron, Pontiac 6X-8 Ported Anderson Port Development SF1020 Iron, Pontiac 6X SD Performance Ported Cyl 1 SF600 Iron, Pontiac 6X Jim Butler Race Ported SF600 Iron, Pontiac 13 '70 Fully Ported Flowtech - Steven Magnotti Exhaust 30 Deg Back Cut SF110 Iron, Pontiac 16 '68 Flowtech - Steven Magnotti Iron, Pontiac 16 '68 Ported Flowtech - Steven Magnotti Iron, Pontiac 47 '69 Paul Carter I-45 E-45 above with larger valves SF600 Iron, Pontiac 62 Flowtech - Steven Magnotti SF110 Iron, Pontiac 76 '65 Flowtech - Steven Magnotti SF110 Iron, Pontiac 76 '65 Bowl Ported Flowtech - Steven Magnotti 45 Deg Seat 30 Deg Back Cut SF110 Iron, Pontiac 76 '65 Fully Ported Flowtech - Steven Magnotti 45 Deg Seat 30 Deg Back Cut SF110 Iron, Pontiac 96 '71 Flowtech - Steven Magnotti Iron, Pontiac 670 Ported Shanons Engineering Iron, Pontiac 670 SD Performance Ported SF600 Iron, Pontiac Ram Air IV 614 Ported I-45 E-45 SF600 Iron, Pontiac Ram Air IV Minor Pocket Port Iron, Pontiac Ram Air V Ported Arrowhead Automotive SF600 Iron, Pontiac 455 HO '71 197 Flowtech - Steven Magnotti 3 Angle VJ Deep 60 Deg Bottom Cut SF110 Iron, Pontiac 455 HO '71 197 Ported Anderson Port Development I-45 Iron, Pontiac D-Port SD Performance Street Ported SF600 Iron, Pontiac D-Port SD Performance Street/Strip Ported SF600 Iron, Tiger Ported Kaase (EMC - 507 ci) 12 Deg SF600, Tiger Ported H&M Airflow Dynamics 12 Deg Alum, Tiger Ported Ceralli Competition Engines Alum, Edelbrock Performer RPM 60599 SF1020 Ram Air IV Exhaust Alum, Early ('97) Edelbrock Jim Butler Ported SF600 Alum, Edelbrock SD Performance Street Ported SF600 Alum, Edelbrock SD Performance Street/Strip Ported SF600 Alum, Edelbrock SD Performance Race Ported SF600 Alum, Edelbrock SD Performance Race Ported (Offset Rockers) SF600 Alum, Edelbrock Ported Anderson Port Development Alum, Edelbrock Ported Calvin Hill I-45 E-45 BC Alum, Edelbrock Ported H&M Airflow Dynamics Alum, Edelbrock D Port Jim Butler Ported SF600 Alum, Edelbrock D Port Jim Butler Ported I-45 E-45 87 cc Milled Alum, Edelbrock D Port Jim Butler -R Ported I-45 E-45 Alum, Edelbrock W/P SD Performance Race Ported SF600 Alum, Edelbrock W/P Ported Jim Butler SF600 Alum, Edelbrock W/P Ported Ondo Performance Alum, Edelbrock W/P Ported Anderson Port Development SF1020 Alum, Edelbrock PRO Port Ported John Marcella Alum, Edelbrock PRO Port (EMC '13) Ported Speier Alum, Edelbrock PRO Port (EMC '14) Ported Speier I-45 E-50 Alum, H&M Airflow Dynamics Ram Air V Based Billet Alum, KRE D-Port Tom / Joe Sherman Ported SD Performance 290 Alum, KRE D-Port Out of Box VJ Paul Carter Alum, KRE D-Port Above VJ and 1.77 exh Paul Carter SF600 Alum, KRE D-Port Ported 312 Bruce Out of Box SF600 Alum, KRE D-Port Ported Dave/SD Out of Box SF600 Alum, KRE D-Port Ported Dave/SD Reworked SF600 Alum, KRE D-Port SD Performance Race Ported SF600 Alum, KRE D-Port Ported Pushrod offset .225" Jim Robertson Alum, KRE High-Port Out of Box w VJ SDTempest Alum, KRE High-Port Ported 1 Alum Rocker Shafts, KRE High-Port Ported 2 Alum Rocker Shafts, KRE High-Port Ported Len Caverly (EMC) Alum, KRE High-Port Ported Mike Semchee (EMC) Alum, KRE High-Port Ported Dan Barton Pushrod Moved Alum, KRE High-Port Ported Jim Robertson - SDTemp Alum, KRE High-Port Todd Ported Calvin Hill Alum, KRE High-Port Ported Anderson Port Development Alum, KRE Warp 6 Canted Valve As Cast Ken C Alum, McCarty Ram Air V Street Ported Jim Robertson / RACE flowed Joe Sherman Alum, McCarty Ram Air V Street Ported Jim Robertson Alum, McCarty Ram Air V Street Mild CNC Port Alum, Roland Racing CV-235 Anderson Port Development SF600 Alum, Roland Racing CV-325 Ported Anderson Port Development I-50 SF600 Alum, Roland Racing Canted Valve Bowl Blended Alum, Roland Racing CV-1 Minor Intake Mild Exhaust Work Flowtech - Steven Magnotti SF110 Alum, Roland Racing CV-1 Minor Intake More Exhaust Work Flowtech - Steven Magnotti SF110 Alum, CV-1 Ported Anderson Port Development Alum, CV-290 Ported Anderson Port Development Alum, CV-331 Ported Anderson Port Development SF1020 Alum, CV-345 Ported Anderson Port Development Alum, CV-360 Ported Anderson Port Development I-55 Alum, CV-1 Ported John Marcella I-50 E-50 SF600 Alum, CV-1 Fusion Ported Calvin Hill SF1020 Alum, CV-1 Fusion Mike Luke Ported Calvin Hill I-45 E-45 Alum, CV-1 Quest Ported Calvin Hill I-45 E-45 SF1020 Alum, Wenzler Series II 180 Flowtech - Steven Magnotti SF110 Alum, Wenzler Series II Ported Flowtech - Steven Magnotti 30 Deg Back Cut SF110 Alum, Wenzler Super Chief Ported JC Culpepper - VJ BW Meaux Racing Alum, GM 3800 Ported Abbott Racing Stage 3 SF600, GM 3800 L36 L67 L72 Ported Super Six Motorsports Stage 2, GM 3800 L36 L67 L72 Ported Super Six Motorsports Stage 3, 944/951 Ported Lindsey Racing Level I SF600, 944/951 Ported Lindsey Racing Level II SF600, 944/951 Ported Lindsey Racing Level III SF600, 944/951 Ported Lindsey Racing Level V SF600, 1800 16v F7P-720/722 Ported Sabre Heads largerintake seat inserts, Studebaker 53976 '57 Golden Hawk Cleaned Stock 11secAvanti Iron, Studebaker 53976 '57 Golden Hawk Ported 11secAvanti E-30 Backcut Iron, Studebaker 53976 '57 Golden Hawk Ported 11secAvanti 30/45/60/72 cuts Iron, Studebaker 1557570 Stock VJ Bill Jones Iron, Studebaker 1557570 Mild Porting Bill Jones Iron, Studebaker 1557570 Decent Porting Bill Jones intake valve guide moved .045" toward exhaust Iron, EJ20K JDM Version 4 ASF Machine Non-Dogleg SF110, EJ20 AUDM-USDM Small Port Ported Knight Engines 1 OS, EJ20 JDM Big Port Ported Knight Engines 1 OS, EJ25 SOHC CHR Motorsports LLC Home Made Bench, EJ25 SOHC Ported CHR Motorsports LLC Home Made Bench, Impreza Gen 6 Ported Exhaust Sabre Heads SF110, WRX STi '04 DOHC EJ257 Non-Dogleg Exhaust Ported ASF Machine 1mmOS valves, 3TC Billet 6061 T-6 Alum HeadWay Performance, 4AGE Early MR2 1.6 16v Ported Sabre Heads, 4AGE 20v Blacktop Ported /Andre' Norrback, 4AGE 20v Silvertop Ported /Andre' Norrback, 4AGE 2009 Silvertop Ported /Andre' Norrback, 1.8T 20V AEB Large Port Ported Bill Jones, Type 4 - LE160 Raby's Aircooled Technology, Type 4 - LE180 914 2.0 Raby's Aircooled Technology, Type 4 - LE190 Raby's Aircooled Technology, Type 4 - LE200 Raby's Aircooled Technology, Type 4 - MassIVe Raby's Aircooled Technology, '01 Twin Cam Ported Hillside Stage III SF120, '06 Stock Twin Cam Atwood Performance SF600, '06 Twin Cam Ported Atwood Performance Road Warrior SF600, '12 Stock Twin Cam Steve Vigen 1.65 ID Radius Int, '13 Twin Cam Dirt Track Stage 1 Steve Vigen 1.65 ID Radius Int 7mm stems FlowData, '15 Twin Cam Dirt Track Steve Vigen 1.75 ID Radius 5/16 stems FlowData, Twin Cam Ported Revolution Performance Stage 1, Twin Cam Ported Revolution Performance Stage 2, Twin Cam Ported Revolution Performance Stage 3, Twin Cam 99 Ported Atwood Performance Stage I SF600, Twin Cam 99 Ported Atwood Performance Road Warrior SF600, Screaming Eagle Otto Clean Up Port Intake, Screaming Eagle 103 Twin Cam ET Performance, Screaming Eagle 103 Twin Cam Ported ET Performance, Screaming Eagle 103 Twin Cam Ported Hal's Speed Shop, Screaming Eagle Twin Cam 120 Ported FLO Headworks, Panhead and Knuckhead Ported FLO Headworks, Edelbrock Performer 1200 EVO Sportster (OLD) Alum, Edelbrock Performer EVO big Twin (OLD) Alum, Edelbrock Performer RPM CNC Evo big Twin (OLD) Alum, Edelbrock 1692, 1693, 1695, 1696 Performer RPM Sportster Alum, Edelbrock 3021, 3022 Performer RPM EVO Big Bore CNC Alum, Edelbrock 1602, 1603, 1615, 1616 Performer EVO 80" Alum, Edelbrock 1604, 1606, 1607, 1624 Performer EVO 80" & up CNC Alum, Edelbrock 1687, 1688, 1694, 1697 Performer RPM Twin Cam CNC Alum, Revolution Performance Twin Cam 1.9 Stage 2, S & S G2 NHRA Pro Stock Ported Darin Morgan SF600, Zipper Performance Magnum Billet Twin Cam, Belmit Billet GX200 Ported Canted Valve Alum, STX 15F Jet Ski Ported Kelford Cams Exhaust Valve +1mmOS, Vortec II 2-Valve Matt Smith's Head Ported by Darin Morgan SF600 Alum, Hayabusa Ported Sabre Heads OS Valve Alum, '08-up Cory Ackley/Rick Crawford 3 angle VJ little blending back cut valve.