8) Notes on camshaft specifications used: a. In my 70 years of fooling with cars, we always had a formula. The first time out it ran 12.28s at 98 mph. 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. Ford was able to develop the BOSS 302 head thanks to being given a proper budget. Designed primarily for use in the SCCA Trans Am series, the Boss 302 was a result of crossbreeding the 302 Windsor short-block with the then-new 351 Cleveland heads. 7) Most curves utilize the following parameters: a. Ford Motosports 313 There is no flat spot and these engines will pull from 2000 against any rival including a Windsor. Flow numbers? | Mustang and Ford Performance Forums That kind of flow through stock castings is outstanding in any case. Some of us may be too young to actually have driven an original Boss 302 back when they were introduced in 1969, but all Ford guys should know the history of such an impressive performer. 351 Cleveland Cylinder Heads Guide: Factory Iron Heads - DIY Ford His main differences from stock are the carburetor size and compression ratio as noted below. Viewers will get a chance to see Boss head flow numbers before and after the work. These elements made the BOSS 302 a unique mill compared to what the rest of Detroit had to offer at the time. M-9439-A50 and FelPro exhaust gasket part number 1415; Part Type. The short-block consisted of a forged steel 3.0-inch crank from Pro Comp, a set of factory 5.135-inch forged rods, and a set of forged aluminum pistons from Probe Racing. Though slightly smaller in specs, the Cam Research Corp cam offered both more average and peak power numbers than the larger Comp cam (admittedly not specifically made for this application). The valves are long stem LS Chevy 2.02/1.60 that they had on the shelf. But that is another dyno story for another day. Exhaust - 1.72 inches. 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. Symptoms of a leaking power valve: You may also cruise the online auctions for a vintage 5.0L roller block (F1AZ-6010-B). Fords incredible 1969-70 Trans Am BOSS 302. These heads offered a number of desirable features, including a tall intake port roof design, which provided a generous short-turn radius to maximize flow with a given cross section and port volume. As you can see from these numbers, the Cleveland-style Boss 302 cylinder heads offer significantly more airflow at each valve opening point over the DZ 302's fuelie heads. Lunati 41207 2) Camshaft data are believed to be accurate, but check with camshaft manufacturer for actual up to date data. e. Dual Plane Manifold, High Flow configuration f. 10:1 Compression Ratio. 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. What the Boss 302 and Cleveland heads did share was tremendous airflow potential thanks to cavernous port volumes. HOLMAN and MOODY C7FE With expert porting on the intake and exhaust, Dr. Js was able to increase the flow rate of the CHI heads to more than 345 cfm at 0.700-inch lift. Add to Cart. c. Small tube headers with mufflers 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. Info needed on Yates C3 heads and manifolds Remember when doing a comparison to other tables check at what pressure differential were they flowed. Cleveland Flow Testing - FordMuscle The BOSS 302 heads used some of the biggest valves in the industry. Fords great success with its powerful V8 engines is legendary. Said to be "overvalved" for street performance. 8.2" deck height, finished at 8.200" plus .010" to .015". C302B or C3 Cylinder Heads - Don Terrill's Speed-Talk I really liked my 69 428 CJ. He stated he spent over $10,000 back then. If you used windsor heads its not a BOSS. the Boss 302 produced peak numbers of 374 hp at 6,700 rpm and 324 lb/ft . Look at Tremec Trans Gear Calculator comparison to BC stage 3 gear set.Boss heads are back from Livernois bowl clean up to improve flow. A stock 1970 Boss 302-spec solid, flat-tappet cam was used and offered a tad over 0.500-inch lift and 228 degrees of duration at 0.050. Standard valve angle and spacing is retained for bolt on compatibility. Stroke that thing. Valve spring seats were hardened cast iron for 69 and stamped steel for 70, but they wont hold up over 7,000 RPMs. The Z mandates a competition valve job and bowl work. It is this head flow that kept the Chevy (Trans Am and drag racing) motors of the period from matching the power offered by the canted-valve Boss/Cleveland-headed Fords. Set the mechanical advance for 20 degrees to come in before 2,500 RPMs. Companies like Edelbrock, AFD, Pro Comp, Trick Flow, and Cylinder Head Innovations (CHI) have all tooled up to produce aluminum heads for Cleveland applications. Isky 381370 . 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 . Small Block Head Flow Chart | For A Bodies Only Mopar Forum Thus the Boss 302 became the first Mustang to use the Cleveland heads, years before they would see regular production. 1970 - D0ZE-6090-A or B. CNC Rons Porting Service Alum, Edelbrock 18 Deg. boss 302 aluminum heads Not the 2012-13 Coyote DOHC BOSS, but instead the genuine pushrod original from an era when Ford did the unthinkable repeatedlyand won! The part number of the head was M-6049-C351, this head was cast specifically for 351 cubic inch motors, its combustion chamber volume was 62cc, as opposed to the 58cc combustion chambers of the similar heads from Australia. Observations: The darned thing was rabid dog fast. b. SBF FORD and Mustang Cylinder Heads for 260 289 302 351. Click on a title to view the file in a new tab. Track Boss manifold for 302 w/351-C 2-V heads | GT40s Wanted one all my life. 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. Performance Alum, 4.6L 4V '99-'01 Ported Full C.A.P.A. 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. Ford Coyote Engine Cylinder Head Performance Guide The casting number is located where the starter bolts up to the bell housing. Lash was not deducted so lift is Theoretical lift. 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. Boss 302 Mustang; Overview; Manufacturer: Ford: Production: 1969-1970 and 2012-2013: . How are heads that have a good and a bad port handled? Ported Steen Racing Stage 1 Alum, '99 & up P.I. JPC- 2015-2017 Mustang GT Tremec Magnum XL Complete Conversion Kit . The BOSS 302 Registry is not affiliated with the Ford Motor Company. Im looking for three Ford Cleveland 4V engines. As I'm sure you know, the Yates heads are not compatible with Cleveland, Boss 302 or Clevor pistons and require a dedicated rockershaft system. Wait 1.6 rockers? 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. The CHI heads feature a complete Ferrea valvetrain, including Competition Plus, swirl-polished, stainless steel valves (2.19/1.74), double valvesprings designed for the over 0.700-inch-lift solid roller cam(s) we were going to use, and titanium retainers. . JPC- 2011+ GT/Boss Breather Package. This is said to be the real key to the success of the CHI castings. C3AE-F. 63-64 289. No stick hole up top. This video we'll talk about why we decided not to go with a Tremec T56XL. in 1969 with Doug Durham and me ,TED FORDMAN EHRHARDT who took a new Boss 302 short block apart and checked all specs. Valves 1.67, 1.45 / 54.5cc. Im sure you had over 400. Crower 15321 Not bad considering we were dealing with a static compression ratio near 10.5:1. bamc medical records phone number; bbc radio cambridgeshire contact; island escape cruise ship scrapped; . e. Dual Plane Manifold, High Flow configuration If you want to improve your road course lap times, switch to bias belted tires OR tune your suspension for the radial tires. 4) The values for HP and Torque vs. RPM are for reference only. Ported Chapman Alum, Edelbrock 61139 Victor 15 Deg. In the 1960s, Ford was an outspoken car company, much as Pontiac Division was within General Motors. Getting to Know Ford's Beasty 351C - OnAllCylinders Intake - 2.23 inches Boss 302 Cylinder Head Flow Numbers/Why We Are Keeping The BC - YouTube Some camshafts may no longer be available from the manufacturer. This compares to just 166 cfm and 112 cfm (from port volumes of 127cc and 44cc). Index your plugs on these engines. At the end of the season it was running 12:00 sec. Heads - BOSS 302 flat in the quarter. This 302 was in a F250 so I have to find the proper oil pan to fit the 83 foxbody, and proper fit for the oil dipstick entering the oil pan. Comp 270S Lunati 306A5LUN 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. Exhaust runners are raised .135" for improved flow. "Aftermarket" Cylinder Heads. Boss 302s did indeed have 1.73 ratio rockers from the factory. Performance Alum, 4.6L 4V '96-'98 Ported Full C.A.P.A. A piston-to-valve clearance issue required we run the cam a minimum of 3 degrees retarded, but this didn't seem to hurt power production in our tested rev range. Ford Boss 302 Engine Build - Build A Better Boss - Tech - MotorTrend 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. The BOSS 302 heads are known as "Cleveland style" heads as they are based on the head designed for the 351 Cleveland engine. The camshaft requires careful consideration and selection when building or rebuilding our favorite engine, the BOSS 302. Like the heads, the intake was turned over to the flow experts at Dr. Js to ensure that the manifold could keep pace with our ported 3V heads. HOLMAN and MOODY C30Z The 4V heads flow amazing numbers, and will give the aftermarket heads a run for their money. boss 302 head flow numbers - communitydirectservices.com Enter Fords development of an all-new 351ci engine with poly-angle valve heads and tight-fisted wedge heads destined for a 1970 introduction. Production casting part numbers: 1969 - C9ZE-6090-A or C 1970 - D0ZE-6090-A or B. Alum, DART Late Big Chief 18 Deg Full Port 45 Deg Intake Back Cut Alum, DART Big Chief 18 Deg Ported ET Performance Alum, DART Big Chief 18 Deg Ported MBE I-55 E-55 SF1020 Alum, DART Big Chief 18 Deg Ported Chapman Alum, DART Big Chief 18 Deg CNC Slick Rick Racing Heads Alum, DART 14 Deg Olds Ported Dr Js Performance I-50 Sf600 Alum, DART Big Chief 14 Deg Oval Full Port I-55 E-55 Deg SF1020 Alum, DART Big Chief 14 Deg Oval CNC M2 Race Systems Alum, DART Big Chief 14 Deg Ported ET Performance Alum, DART Big Chief 14 Deg Ported MBE I-55 E-55 SF600 Alum, DART 11 Deg Big Chief II Oval Full Port 55 Deg SF1020 Alum, DART 11 Deg Big Chief II Ported MBE I-55 E-55 SF600 Alum, Edelbrock Victor Jr CNC Oval 60409, 60419 SF1020 Alum, Edelbrock Victor Jr CNC Rect 60409, 60419,60429, 60439 SF1020 Alum, Edelbrock/ Chapman 60429, 60439 Oval Ported Alum, Edelbrock 60459, 60479, 60499, 61459 Performer RPM 454-O Alum, Edelbrock 60459 Performer RPM 454-O Wolfplace FlowData Alum, Edelbrock Performer 454-O 60479 SF1020 Alum, Edelbrock Performer 454-O 60499 SF1020 Alum, Edelbrock Performer RPM Xtreme 454-O 51459 SF1020 Alum, Edelbrock Performer RPM 454-R 60559 SF1020 Alum, Edelbrock Performer RPM Xtreme 454-R 51539, %1559 SF1020 Alum, Edelbrock Performer RPM 6046 AirWolf 305 Oval Dr Js Performance Alum, Edelbrock 60559, 61559 Performer RPM 454-R Alum, Edelbrock E-CNC Oval 24 Deg Large Bore SF1020 Alum, Edelbrock 77459 Victor Jr. 24 Deg SF1020 Alum, Edelbrock Victor 24 Deg 77409, 77429 SF1020 Alum, Edelbrock/ Musi Victor 24 Deg 61409 SF1020 Alum, Edelbrock/ Musi Victor 24 Deg Out of Box NPS Alum, Edelbrock/ Musi Victor 24 Deg SF1060 Alum, Edelbrock/ Musi Victor 24 Deg Ported Dr Js Performance I-50 Alum, Edelbrock Victor 24 Deg Ported RFD 370 Alum, Edelbrock Victor 24 Deg Ported RFD 383 Alum, Edelbrock Victor 24 Deg Ported RFD 383 Updated 12-04-08 Alum, Edelbrock Ported RFD Flowed Wolfplace FlowData Alum, Edelbrock/ Chapman 77659 Rect.