Unless restoring to stock, our suggestion is to review what’s available from the aftermarket. However, the crankshaft and connecting rods were strengthened and associated balancing altered for drag racing. To demonstrate the difference in exhaust runner shape and contour between the Edelbrock head and the factory 429 head we took silicone molds of both heads. These were a great alternative to Cobra Jet castings because they were so plentiful. In 1969, Pontiac introduced two updated versions of the Ram Air engines. Stabilizing the Ford FE upper valve train. Cylinder Heads. As with the 410, all 428 crankshafts were externally balanced because removal of the center counterweight required an external counterweight. Check out ARH's C8 thru C3 Exhaust Systems. $154.99. Unfortunately, the 351C 4V heads are not a good choice for a low RPM truck engine. Combustion chamber volume comes in slightly smaller at 71 to 75 cc's 11 to 1+ compression ratio with 429 flat tops, or with the dished 460 pistons. The Ford 390 produced a lot more horsepower than the 409 with its top end performance engine putting out a respectable 401 horsepower in its first year of production (41 more horsepower than the high-end Chevy 409). $236.00 - $1,068.00. The Blue Thunder 460 cylinder head is available in six configurations. The Chevy head bolt holes go into the water jackets, which corrodes the bolt threads. GTO/G8/GT/GXP Exhaust Systems. Any other casting number is NOT a Cobra Jet head of any kind; Block: D0VE-A. The casting number for the Police Interceptor heads for 1972-1973 is D2OE-AB. Beginning with the 1968 model year, Ford stamped a partial VIN number on production engine blocks. stud … Ford is delivering a new kind of pickup – compact but mighty, built for makers and doers, stunningly fuel-efficient*, and packed with clever technology and features. The valve train uses an overhead valve (OHV) system, with 2 valves per cylinder for a total of 8 per head. D2OE-AB. The Ford Mustang Mach 1 is a performance-oriented option package of the Ford Mustang, originally introduced in August 1968 for the 1969 model year.It was available until 1978, returned briefly in 2003, 2004, and most recently 2021. The engine was experiencing severe detonation. 2. The 428 Super Cobra Jet (also known as the 428SCJ) used the same top end, pistons, cylinder heads, camshaft, valve train, induction system, exhaust manifolds, and engine block as the 428 Cobra Jet. This number is located on the OUTSIDE of the head, along the valve cover mounting rail and between the 3rd and 4th exhaust ports. Buy Ford Racing Cylinder Head Assembly - 429/460 - Super Cobra Jet - Each - PN: M-6049-SCJA. EFI - Fuel Injection. Shop affordable parts & accessories & save up to $130.44. Rocker pedestal mods: instructions, tools needed. Valve sizes are 2.24” intake and 1.72” exhaust with the both the intake and exhaust ports being larger. Most flow numbers for TEA — Total Engine Airflow heads come from their Web Site updated Aug. '14. What any stock Cleveland needed was the right intake and camshaft to go with the head flow. The Cobra Jet head has Thermactor, which is also what makes it different than the 427 Medium-Riser. The 390 High Performance and 428 Cobra Jet cylinder heads side by side. As you can see, differences aren’t that significant. The Cobra Jet head on the right has larger intake ports. If you’re like most of us, you will probably never see a 427 SOHC. GM. These heads are very similar to the Cobra Jet castings with adjustable valvetrain. M-6582-C460 Ford Performance Valve Covers recommended. Second best intake, single four barrel, Police Interceptor 428 model, the cast iron model is the same just 55 lbs. Larger valves may be fit into the heads as well. 4 6/11/12 Power Port® A460 Aluminum Cylinder Heads Thank you for purchasing Trick Flow Power Port A460 aluminum cylinder heads designed for the Ford 429/460. You do not have a Police Interceptor engine. TFS-DP-18 Rev. The Boss 429 engine was offered late in 1969 and was rated at over 370 horsepower. Using highly efficient port designs and state-of-the-art combustion chamber shapes, Edelbrock cylinder heads offer improved performance throughout the rpm … 5.365 / 5.150 INTAKE VALVE ANGLE 8.3 DEGREES The official website of CarTech Books & SA Design. 315 cc intake ports and 110 cc exhaust ports. AFR CHEVY SBC ELIMINATOR HEADS 195cc 65cc FULLY BUILT 1034HR. Assembled with solid roller springs: Closed seat pressure 240# @ 1.900"; Open seat pressure 625# @ 1.200"; Max lift .650". All flow numbers for Super Six Motorsports heads come from their Web Site updated March '13. Standard and Cobra Jet 429/460 heads had positive-stop, no-adjust rocker arm fulcrums. However, this engine differed from that which was utilized by the Boss 302, as both its block and cylinder heads were of Cleveland make, as opposed to the 302’s use of a Windsor block.. He thought the high intake #s would have been 310 cfm with the correct inlet, and the exhaust #s are a little low without a flow tube. The 4V heads have much larger intake and exhaust ports (2.19" intake & 1.71" exhaust vs. 2.04" intake & 1.66" exhaust) than the 2V heads. These heads… 10. Since 1999, replacing and upgrading stock Eaton 1.85, 2.1 and 2.3 superchargers and Ford inlet systems on Cobra’s, Lightning’s and Shelby’s with Kenne Bell has been – and still is a huge part of our business, as will be the 2019 Shelby GT500 with it’s relatively small 2.65. Compare. Fear not as the heads were more than adequate for the mild mods we had planned. Blue Thunder heads flow like ported heads - - much better than stock. Dual Valve Spring Kit for Aftermarket Aluminum Heads, Hyd Roller, 173 Lbs Seat, .600" Lift. To illustrate this, we ran a rebuilt 351C with a reproduction of the stock 1971 Cobra Jet cam (already a step up from the standard 4V cam) and factory cast-iron intake. Test data was taken on a SuperFlow SF-600 flow bench. Maximizes engine performance Designed to work without the catalytic Converter. Combustion chambers are of a proprietary design which includes a slight revision in valve placement to improve flow. Local or International? 428 Super Cobra Jet. In sorting out the engine we found the compression to be too high for pump gas. The Boss 351 was perhaps best known for its significant performance merit. Trick flow 290 or super cobra jet robbie mav grabber March 25th 2013, 11:43 am Which heads for street have a victor4150 intake custom grind comp cam 685 lift Hyd 850 do stroked to 532 They feature revised valve angles and locations to reduce cylinder wall shrouding and improve flow, along with redesigned combustion chambers to accommodate the more centrally located valves. Flows approximately 330 CFM intake and 225 CFM exhaust. Web Site updated Jan. '13. Ford Performance Parts teamed up with Jon Kaase to redesign their 429 Cobra Jet cylinder heads, and the results are these Super Cobra Jet heads. Redesigned combustion chambers are designed to accommodate more centrally-located valves. In the 1970s and 80s, Hooker even dabbled in making such things as bicycles, skateboards, ski's, wheels, motorcycle parts, and fiberglass bolt-ons for trucks and vans, known as "California Glass". The Cobra Jet heads have been given a minor bowl clean-up, but are otherwise stock. Both sets of heads use identical valve sizes, and were both tested with a clay radius on the intake port and a 1 3/4" pipe on the exhaust port. Test data was taken on a SuperFlow SF-600 flow bench. Also, if you use longer valves for more spring height, the problem gets worse. Hooker super comps #6115 for 70/71 intermediates. These modifications will increase airflow up to .500"-.550" lift. The leading resource for automotive tech manuals & history books covering drag racing, muscle cars, Chevy, Ford, Mopar, LS engines and more. The engine was fitted with or without a … COBRA JET AND SUPER COBRA JET 429 Like the FE 428 before it, the 429 also received the famous “Cobra Jet” option. The 429 Cobra Jet (429CJ) was fitted with a Rochester Quadrajet 700 cu ft/min (20 m 3 /min) 4-bbl carburetor, a larger camshaft; a special set of cylinder heads allowed for an 11.3:1 compression ratio, increasing output to 370 hp. As part of a Ford heritage program, the Mach 1 package returned in 2003 as a high-performance version of the New Edge platform. The Ford Mustang Mach 1 is a performance-oriented option package of the Ford Mustang, originally introduced in August 1968 for the 1969 model year.It was available until 1978, returned briefly in 2003, 2004, and most recently 2021. The Ram Air IV was a 400 cid V-8 that featured the round port heads with redesigned intake ports. Super Cobra Jet. The latter had a different cylinder head with smaller valves, smaller ports, and open combustion chambers to suit its intended applications. Ford heads 6. The cam timing was retarded 4 degrees. The casting number for the factory iron Cobra Jet or Super Cobra Jet heads for 1970-1971 is D0OE-R. (1971 PI heads may also be D0OE-R's.) Bore X Bore X 0.785 X Stroke X Number of Cylinders = CID Ex: Here is how to figure a 390 block bored 0.030" over with a 428 crankshaft: 4.08 X 4.08 X 0.785 X 3.98 X 8 … The heads were also cast with larger combustion chambers to reduce compression ratios to 8.8:1. SUPER COBRA JET CYLINDER HEAD - ASSEMBLED WITH DUAL SPRINGS. Appearing similar to stock heads from the outside, this lightweight cylinder head is a bolt on replacement for production CJ and SCJ iron heads. User Friendly 429-460 Wedge Cylinder heads on the Market! Trickflow aluminum heads MSD distributor Race series plugs & wires Quickfuel carb Dyno tuned $25700 . 290cc intake runner, 148cc exhaust runner. THE BEST COBRA JET STYLE CYLINDER HEADS ON THE MARKET! Changes were few in the 385-series valvetrain throughout its production life. The Chevy 350 cubic inch engine has a 4-inch bore whereas a 400 cubic inch engine has a 4.125-inch bore. Daily U.S. military news updates including military gear and equipment, breaking news, international news and more. Expected flow rates are 385 cfm @ .800" intake and 250 cfm @ .800" exhaust. FORD, Mustang, shelby, Cougar, Fairlane, Torino, Galaxie, falcon and Mercury Cylinder Heads, enginering number 6090, C3AE-F, C3OE 289 HiPo Screw in Studs, C3OE 289, C3OE-E, C3OE-F, C4AE-C, C4AE-G, C4AE-6090-G FE Big Block, C4OE, C4OE-B 63 289 HiPo, C5AE-E 65 -67 Ford Mustang Shelby 289 HiPo, C6AE-R, C6AE-6090-R, C5OE-A 65-67 Ford Mustang Shelby, C6OE-C, C6OE-E, C6OE-M, C7AE-A 8 bolt … Watch CNN streaming channels featuring Anderson Cooper, classic Larry King interviews, and feature shows covering travel, culture and global news. Under the 351’s hood resided a 351 cubic-inch V8. Ford Aluminum SCJ Heads Aluminum SCJ flow numbers from Team 385 Build in 2003 Courtesy of ScottJ Cylinder head castings SCJ-B. similer to the D0VE-C's The cylinder heads used from '68 to '71 are interchangeable. D00E-R The fabled Cobra Jet and Super Cobra Jet castings. tops, or with the dished 460 pistons. About 1/2 point lower on '72 and up blocks. Cobra Jet engines built before 11-'69 had adjustable valve train. They were non adjustable after that date. Headbolt threads often strip--both on the bolt and in the block. Hooker straight-thru glass pack mufflers were also launched in the early '70s, known as the "Hookermuffler". Blue Thunder Cobra Jet style aluminum cylinder head Still the best street/strip Ford big block cylinder head on the market today. This 1970 Eliminator is the perfect example, a Q-Code car that came equipped with a 428 Cobra Jet with Ram Air, four-speed, and the Super Drag Pack, which includes the … Super Cobra Jet Cylinder Heads DR14YS, DOR14LGS, DR14ZC PRO TOPLINE Iron Lightning, Pro Lightning: CHA V55C,V57C: H08S, HO11LGS-T (index free plug) Other: CHA C55C,C57C: D08S, DO10LGS-T (index free plug) TRICK FLOW Track Heat Alum.Cyl. See price list for more information. If you believed the ads, you had to wonder how Ford sold any Cobra Jet and Super Cobra Jet engines at all. We leverage cloud and hybrid datacenters, giving you the speed and security of nearby VPN services, and the ability to leverage services provided in a remote location. The 429 Cobra Jet (429CJ) was fitted with a Rochester Quadrajet 700 cu ft/min (20 m 3 /min) 4-bbl carburetor, a larger camshaft; a special set of cylinder heads allowed for an 11.3:1 compression ratio, increasing output to 370 hp. Castings. We will send you and Email with a link and instructions. Kaase with Ford designated the new heads the Super Cobra Jet. In the intervening years and with ambitions to expand into broader markets, including the street performance arena, Kaase consolidated the gains made in the SCJ heads and continued to refine them. The port sizes are middle of the road between pass car and Cabra Jet. Ford heads. The heart of this car remains Ford's legendary 427 engine. In fact, it put out over 400 to 450 HP, which was enough to claim the title of Stock Car Champion and winner of many illegal street races. These bare Super Cobra Jet Cylinder Heads (M-6049-SCJ) from Ford Performance feature revised valve angles and locations, to reduce cylinder wall shrouding and improve flow. Because the 429 Cobra Jet and Super Cobra Jet were available only in Mustang, Cougar, Torino, and Cyclone, only a handful of casting numbers …
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