boss 302 head flow numbers

boss 302 head flow numbers

Your email address will not be published. Hate to tell you this but a BOSS 302 has Cleveland type heads. 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. Your email address will not be published. Look at Tremec Trans Gear Calculator comparison to BC stage 3 gear set.Boss heads a. The front and rear springs are much stiffer than a regular Mustang: 420 lbs/in at the front instead of 240 lbs, and 250 lbs/in at the rear instead of 150 lbs. The Ford 302 H.O. 1) All data is for reference only. No guarantee of actual performance of any engine/camshaft combination can be made. The 302 Tunnel Port already had a terrific four-bolt main block and steel crank along with beefed up C3AE 289 rods and special pistons designed for the Tunnel Port heads. With borrowed geometry from the upcoming 351 Cleveland, the Boss 302 heads featured a canted valve design, which allowed for huge valves and ports. To conceive the BOSS 302, Ford had to develop a special forged piston with a significant dome that would reach deep into the 351C heads 64 67cc chambers. Above you see a casting with a D1ZE part number. I love the exhaust note of all three BOSSes. Casting. According to DIYFord.com, stock Coyote heads can flow 289.4-cfm on the intake side and 201.4-cfm through the exhaust at .500 inch lift.Calculations show that CNC work increases those numbers to somewhere around 314.4-329.4 cfm intake and 221.2-231.1 cfm exhaust. 3-angle VJ Meaux Racing SF600 Iron, Chevy 291 Rect. Not too much carb for this engine. The heads were now capable of supporting more than 700 hp-more than enough for our 500hp 302. Mine also has a 1965 Daytona pinion support with the large bearings, but Im not sure if all BOSSes came with that pinion support. Valves 1.67, 1.45 / 54.5cc. Compression ratio change to 10.5:1 yields same shape curves with slightly higher gross numbers for torque and hp. Actually, a number of manufacturers now offer aftermarket Cleveland heads, thankfully in aluminum. Intakes; average of all 8, using the Kaase 2.300" valve and his valve job. Boss 302 is a Windsor engine; uses Windsor cam lobe profile & 1.6 Windsor rockers. identifying a boss 302 block | Ford Mustang Forums Ford engineers took the new 351 cylinder head and modified it to work with the Tunnel Port block. If the Boss 302 head flow numbers were "too" big for a street driven car: what are the numbers, comparisons against the top of the line Windsor heads being advocated today? Though not designed specifically for our CHI-headed 302, the Comp roller worked well and allowed us to exceed the 500hp mark. The heads were better than any other small block, and the 69 heads used larger valves than a 427 BB Chevy. JPC Racing- CNC Stage 3 Coyote 5.0 Cylinder Heads Known stock Coyote intake port head flow numbers are 289.4-cfm intake and 201.4-cfm exhaust at .500 inch, which is remarkable, but there's more. Ported Chad Speier I-50 E-50 Alum, Edelbrock/ Chapman Victor 18 Deg 61089 Alum, Edelbrock/ Chapman Victor 18 Deg 61109 Alum, Edelbrock 61119 Victor 15 Deg. All flow numbers for Bullet Cylinder Heads come from their Web Site updated Dec. '09. We swapped out the original Comp cam and installed the stick from Cam Research Corp (www.cam Exhaust flow should match whats on Livernois web page since the exhaust valves were not cut. Comp 282S To better the already stout stock 4V Cleveland head, CHI not only improved the airflow, but also reduced what many consider to be an excessive (245cc) port volume. 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 jetted the Holley two sizes up in the primaries and 1 size up in the secondaries. The radiator, brakes, U-joints, bearings, are the same ones used in the 428 CJ cars. f. 10:1 Compression Ratio. Ford was able to develop the BOSS 302 head thanks to being given a proper budget. Stock Heads. Given the port-alignment difference between the CHI 3V, and either the produc-tion 2V or 4V, neither of the factory Ford intakes will fit the CHI heads. . For this, CHI manufactures its own line of matching 3V intake manifolds. With the aftermarket in full swing, 5.0L Windsor owners no longer starred longingly at the flow offered by their Cleveland counterparts. Battle Of The 1969 302-Cube Powerhouses: BOSS 302 Vs. DZ 302 - EngineLabs 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 . The first time out it ran 12.28s at 98 mph. Use an electronic distributor. Any advice would be greatly appreciated. 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. rough idle, Small-Block Ford Cylinder Heads Parts Interchange - DIY Ford From new ones to the aluminum headed one I have in my fairlane now. Number Produced; Calypso Coral: 3: 410: Acapulco Blue: 6: 375: Bright Yellow: 9: 649: Wimbledon White: M: 194: 1970 Boss 302 . We got more than 450 HP on Fords dyno when we blew right rear tire and it took out Ford training board. HOLMAN and MOODY C30Z Said to be "overvalved" for street performance. Stock Valve Sizing c. Small tube headers with mufflers d. a 750 cfm carb. Might be worth looking into? I have certificate for it. He stated he spent over $10,000 back then. Enzo Ferrari, and others, were handed their backsides. Ported Bullet Cylinder Heads Iron, World / Kuntz 18 Deg 200 Manowar SF600 Alum, World / Kuntz 18 Deg 225 Manowar SF600 Alum, World / Kuntz 18 Deg CNC 242 Manowar SF600 Alum, World / Kuntz 10 Deg 275 Manowar SF600 Alum, World / Kuntz 10 Deg 285 Manowar SF600 Alum, World / Kuntz 10 Deg CNC 310 Manowar SF600 Alum, Ford C1AE Bowl + Blend Ported Scott Vincent Iron, Ford C6FE-A Flowtech - Steven Magnotti 3 Angle VJ SF110 Alum, Ford C6FE-A Flowtech - Steven Magnotti Mild Intake Port Ported Exhaust and Chamber Work SF110 Alum, Ford C8AE-H Low Riser Flowtech - Steven Magnotti SF110 Iron, Ford C8AE-H Low Raiser Flowtech - Steven Magnotti Ported Exhaust Valve Back Cut 30 SF110 Iron, Ford 428 C0AE Med Riser Flowtech - Steven Magnotti SF110 Iron, Ford 427 Med Riser Ported Keith Craft Iron, Ford 427 Tunnel Port Jim Milled Smoothed Exhaust Bowl Iron, Blue Thunder M/R Ported ET Performance Alum, Blue Thunder Ported Shanons Engineering Alum, Edelbrock Performer RPM 390-428 CJ 60069, 61699 SF1020 Alum, Edelbrock Performer RPM 390-428 CJ 60059 Joe Sherman Alum, Edelbrock Performer RPM 390-428 CJ 60059 Mild Port Joe Sherman Alum, Edelbrock Performer RPM 390-428 CJ 60059 John Alum, Edelbrock Performer RPM 390-428 CJ 60059 Ported John Alum, Edelbrock Chad Speier Out of Box SF600 Alum, Edelbrock 390 Bowl Port BH Performance Alum, Edelbrock Stage II Ported Keith Craft Alum, Edelbrock Stage III Ported Keith Craft Alum, Edelbrock Performer FE Ported ET Performance Alum, Ultra Pro Machining Billet Canted Valve I-50 E-50 Alum, Ford 429 DOVE-C Ported Scott Johnston Iron, Ford 429 DOVE-C Ported Charlie Evans Iron, Ford 460 DOVE-A2A Ported Dr Js Performance Iron, Ford D20E PI Ported Brian Eyler 45 Deg / Back Cut Intake Tulip Exhaust SF600 Iron, Ford 460 D3VE-C Ported Stage 2 Scott Johnston Iron, Ford 460 D3VE Ported Anderson Port Development Iron, Ford 429 New SCJ Ported Scott Johnston Alum, Ford C-460 Bowl Blend Charlie Evans I-45 E-45, Ford C-460 SuperBowl Blend Charlie Evans Tulip Exh, Ford C-460 Ported Charlie Evans I-45 E-45, Ford C-460 Meaux Racing Ported C460/Larry, Ford E-460 Meaux Racing Ported Glidden SF600, Ford Boss 429 Hemi Ported Dr Js Performance, Ford New SCJ Scott Johnston Out of Box Alum, Ford New SCJ Charlie Evans Out of Box Alum, Ford New SCJ Bowl blend Charlie Evans Alum, Ford Pro Stock RCV (Canted Valve) Ported Darin Morgan SF600 Alum, Blue Thunder "B" Chevy Exhaust VJ Charlie Evans SF600 Alum, Blue Thunder "B" Chevy Exhaust Bowl Work Charlie Evans SF600 Alum, Blue Thunder "B" Chevy Exhaust Ported Street/Strip Charlie Evans SF600 Alum, Blue Thunder "B" Chevy Exhaust Ported Race Charlie Evans SF600 Alum, Blue Thunder "B" Chevy Exhaust Ported Gerry Cooper Alum, Blue Thunder "B" Ford Exhaust Charlie Evans Alum, Blue Thunder "B" Ford Exhaust Bowl Work VJ Charlie Evans Alum, Blue Thunder Ported Flatlanders Stage 3 Ford Exhaust Alum, Blue Thunder Ported Flatlanders Stage 3 Chevy Exhaust Alum, Blue Thunder Ported Flatlanders Comp Ford Exhaust Alum, Blue Thunder Ported Coast High Performance Comp Ford Exhaust Alum, Blue Thunder Ported Flatlanders Comp Chevy Exhaust Alum, Blue Thunder THOR Ported ET Performanc Alum, Blue Thunder THOR Ported Keith Craft Alum, Blue Thunder THOR Gen 2 Ported Charlie Evans Alum, Blue Thunder THOR Gen II Ported Meaux Racing SF600 Alum, Edelbrock Performer RPM Ported ET Performance Alum, Edelbrock Performer RPM 460 Charlie Evans Out of Box Alum, Edelbrock Performer RPM 460 Ported Charlie Evans Alum, Edelbrock Performer RPM 460 60669, 60679 SF1020 Alum, Edelbrock Performer RPM 6066, 6067 Ported Alum, Edelbrock Performer RPM 460 61649,61659 Victor Jr. 460 CJ 61669 Alum, Edelbrock Performer RPM 460 CJ 61649, 61659 SF1020 Alum, Edelbrock Performer RPM 460 CJ 61649, 61659 Jim Grubbs, Edelbrock Performer RPM 460 CJ Out of Box Scott Johnston Alum, Edelbrock Performer RPM 460 CJ Ported Scott Johnston Alum, Edelbrock Performer RPM Ported Keith Craft Alum, Edelbrock Victor Jr 460 CJ 61669 SF1020 Alum, Flow Technologies - 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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. The oiling system upgrades were critical for our high-rpm needs. Manganese Bronze valve guides are used . The fenders lips are rolled for the bigger 15 inch wheels and tires. 1970 Ford Mustang Boss 302 Medium Blue Metallic This short block was topped with a set of 1970 Boss 302 heads that featured 58cc chambers and a 2.19/1.71 valve package. Boss 302 Mustang - Wikipedia Same thing goes for the heads and I have a set M-6049-C3 part number high port (not Yates) heads. Set the initial timing at 16 degrees BTDC. 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 I simply cant believe this is all youve got. Ford Stock BOSS 302 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. Higher compression ratios require far less total advance. What the Boss 302 and Cleveland heads did share was tremendous airflow potential thanks to cavernous port volumes. The BOSS 302's intake manifold channels coolant and, thus, has different cooling passages. This video well talk about why we decided not to go with a Tremec T56XL. That tradition dates back to the companys founding in 1903. I just received delivery of my first Boss 302 today. Viewers will get a chance to see Boss head flow numbers before and after the work. What is a Ford 351 Clevor engine? | Rare Car Network b. Thus the Boss 302 became the first Mustang to use the Cleveland heads, years before they would see regular production. [] Heres a close up of the head Marvin is using on our 351C build. Not quite. I used a Ford 289-HiPo cam and solid lifters which greatly improved the throttle response. The block is stronger and it has casting plugs instead of freeze plugs, so drain the block in cold climates. Technical Data - Speedmaster claims 309 cc intake , 123 cc Exhaust , 85 cc Chamber, 2.300 Intake, 1.900 Exhaust 11/32 diameter. The port diameter for all three heads was 1.63/2.38 on the intake, and 1.46/2.00 on the exhaust. The heads were to big for a 351CLEVELAND. To put this into perspective, even a fully ported, factory iron Windsor head would not flow as well as a stock Boss 302 or 351 Cleveland head. Thats OK because there is a windage tray which prevents the crank shaft from frothing up the oil. Remember when doing a comparison to other tables check at what pressure differential were they flowed. 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 . in 1969 with Doug Durham and me ,TED FORDMAN EHRHARDT who took a new Boss 302 short block apart and checked all specs. 8.2" deck height, finished at 8.200" plus .010" to .015". Ford guys, even young ones just cutting their teenage teeth on the Ford mod motor, should at least be familiar with the term Boss 302. Crane 278021 Learn how your comment data is processed. c. Intake centerlines were assumed for cases where actual values were not available. . Coyote Engine Mods: Best Growl For Your Buck What I have found out so far, the engine runs. BOSS 302 ENGINE BLOCK| Part Details for M-6010-BOSS302 | Ford 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. I have a 1969 Boss 302 original however I need to reassemble it I originally bought ARIES 10:1 forged pistons I believe 30 over . The C3H is Yates but has a higher intake port that requires a specific intake manifold. . 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. Stroke that thing. Mine weighed 3032 lbs from the factory. Then Ill be looking for upgrades. Isky 381380 I had 90 runs on an original Boss 302 in a 70 Mustang. For the 1968 Trans Am season, Ford took the 302 cubic inch Tunnel Port out there in search of victory. In my 70 years of fooling with cars, we always had a formula. Ive had the same 1970 BOSS 302 for over 50 years. The Boss 302 version of the cylinder heads used small 58cc cambers and large 2.23" intake valves. Clay Smith C3048b Plus we used cam dial-in and it was only off a half degree. The intake is off a 1965 Shellby. The 306-horse 289 cubic inch High Performance small-block V-8 in Shelby GT350s took on Corvette and the rest and managed to spank Americas sports car in SCCA competition. CHI also offers a number of other intakes for use on the taller 9.2-inch 351C, 9.5-inch 351W, and even the 10.3-inch 400M blocks. Lunati 41207 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 . This same . I am presently installing a 302 clevor into a 83 mustang GT. Made of A356 T6 cast aluminum, the Z head offers improved flow numbers and more power if you give it your best attention. The pistons and the compression ratio, carburetor size, carburetor jetting, the valve sizes, the rocker arm ratio, the transmission gear ratios, the rear end ratio, the wheel size, the tire size, the exhaust system Well, we hope you get the idea that choosing a camshaft is not to be taken lightly and you must understand its importance on your car's performance and meeting your expectations. Care must be taken when installing the CHI heads, as there is a definite right and left cylinder head-the heads must be installed with the water passages toward the front of the engine so they line up with those in the intake. 4.6L Ported BH Performance Alum, 4.6L 2V P.I.

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