The DZ 302 used a 1.5:0 ratio, while the Boss 302 head used a larger 1.72:1 ratio. Edelbrock 1115 Ford Flathead Cylinder Head, Ford Racing M-6049-SCJA Super Cobra Jet Cylinder Head, Cylinder Head SBF Stud and Plate 1.94 Assembled, Air Flow Research Renegade Street Aluminum Cylinder Head SBF 2 PC P/N 1402, Edelbrock 1116 Ford Flathead Cylinder Head, Blueprint Engines HP9009 SBF Alm. I would however like to be able to buy a set of heads and not have to go through them like I had to with these. It was honestly a guess on my part and the Tech had no additional information or opinion to offer. edelbrock. View Details. 1-330-630-1555 1-888-841-6556. . saving. It was 351C heads, 3 of them, cut up into 6 pieces, then furnanced blazed. 1.290 in Spring. the engine was called a "boss 289" not a clevor, a clevor was a 351W with 351C heads and a custom intake. Ford has always been a car company that dared to go where no automaker had ever gone before. 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. The GT-40 cylinder head was produced in cast iron and aluminum, available from Ford Motorsport SVO and Ford Racing. They are Worth it. The cam featured 290 degrees duration and .477 in (12.1 mm) of lift. You are better off buying model 5023 with 1. The Tech was nonchalant about this and stated these are a lower end part. BluePrint Engines stand in front of the class, offering both performance and cost-conscious enthusiasts a powerful alternativeMuscle Series cylinder heads. Flat cylinder heads have large water capacity and excellent breathing characteristics. The finishing order for peak torque realigned slightly, with TFS out front, RHS coming in a strong second, and Edelbrock and Ford tied for third. No problem coming off corners at low rpm in higher gears and the pull in the higher gears on top is amazing for what I paid for them. The Ford had slightly less compression, at 10.5:1, so out of the gate, Chevy had a little bit of an advantage.. Cylinder Head. Evidently youre research people are either misinformed, or just dont really care about building anything ford. The "civilian" Boss 302 engine had a 4 bolt main block with screw-in freeze plugs and a forged steel crank. 9 intake valves since they bolt on easy with no modification necessary. The BOSS 302 heads are known as "Cleveland style" heads as they are based on the head designed for the 351 Cleveland engine. As far as I'm aware you only choice for factory heads in the Boss 302. When you do that, you can see that the TFS head did substantially better than all the other heads above about 4,400 rpm. Im extremely disappointed in this blog.. 10 years????? Are you looking for a set of entry-level street performance heads for your modern street rod, musclecar, or truck? Aluminum. Sold individually. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Reworking Cleveland heads I think would require reducing the size of some of the water passages and I unsure of the block clearance . D. Hearne is on the money as usual. Whenever youre running a flat tappet cam, always use a zinc additive, Building Classic Ford 351 Cleveland Power. Fords classic 1969-70 BOSS 302 engine was a bold step forward after a miserable season in 1968. Bob Perkins(WI) located it and restored it to original shape and build special plexiglass trailer for it to display. The Ford is specd out at 228 degrees at .050-inch lift, but lift was a different matter. Did you get them at a Chevy garage sale? AIR FLOW RESEARCH 1402 SBF 165cc Alum Heads Renegade Street 58cc. Boss 302 is a Windsor engine; uses Windsor cam lobe profile & 1.6 Windsor rockers. 035 (which I am using). We apologize for the inconvenience Although we thought that the previous 302 Windsor vs 305 TPI was a pretty fair test of two era-and market-specific competitors, this has to be the ultimate level-playing-field. Bill Mitchell Products BMP 087510 - Aluminum Engine Block Ford Small Block 302 Mains, 8.200 Deck, 3.995 Bore, Billet Caps. To complete the Boss, we added an Edelbrock Performer RPM intake, a Holley 750-cfm, mechanical-secondary HP carb, MSD distributor, and a set of open dyno exhaust headers, and we were ready to rumble. This made-in-the-USA head is Edelbrock's value leader. Every time I put a bigger carb on it, it ran faster. Any who, this is a work laptop, and it started out pretty fast, but over time, it eventually slowed down. The block is a 1980 302 Winsor. 340 HP Boss, Long Block, Assembled, Internal Balance, Aluminum Cylinder Heads, Ford, Small Block Windsor, Each Part Number: FMS-M6007X2302E ( 1 ) Free Shipping Special Order $10,649.99 Not Available At This Time This product cannot be ordered at this time. Rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics. Looking at the graph, it looks like the DZ 302 actually outperforms the Boss 302 from 3,700 rpm until 5,800rpm. (Image/Jim Smart) Although these are 1969-70 BOSS 302 heads, they []. Neither was really that streetable but of the two the 70 had the smaller valves whick helped a little with the low rpm feel. That means 305 maximum cubic inches. The connecting rods began life as the same C3AE rod as the 289 HiPo but they had 3/8" bolts and they were spot faced instead of broached where the head of the bolt sits. saw a pair of Boss 302 heads online for $400 and thought why not. More than 400 horses easy. Save my name, email, and website in this browser for the next time I comment. 030 AND 2 OF THEM WERE. We will admit to you our results on the dyno were disappointing304 horsepower and 288 lb.-ft. of torque. Cast aluminum block and heads: Intake Manifold: Composite Boss 302 Specific with shell-welded and runner pack: Exhaust Manifold: Tubular . The additional space improved the engine's breathing. The Ford head uses a net-lash design that makes the valvetrain non-adjustable. 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 302s fuelie heads. We'll squeeze all of this into these few short pages, which means we have a long way to go and a short time to get there. The BOSS 302 heads used some of the biggest valves in the industry. For a better experience, please enable JavaScript in your browser before proceeding. It would make a nice high rpm engine that was pretty soft on the lower end where you spend the most time. I have certificate for it. in 1969 with Doug Durham and me ,TED FORDMAN EHRHARDT who took a new Boss 302 short block apart and checked all specs. Finding a Street Boss intake likely wouldn't be too difficult as multiple manufacturers have cranked them out over the years. It features a forged dome piston to bring compression up to the original 11.0:1 compression ratio with the 64cc 186 casting fuelie heads. Edelbrock aluminum 2V cylinder heads with a mild camshaft upgrade top its stock Boss 302 block, while a Tremec TKO five-speed gearbox sits in place of the factory toploader four-speed. 98 sold SB Ford WP Man O'War iron block/Man O'War aluminum head Head Bolt Kit. Ford brought back the iconic 5.0L in the 2011 Mustang. FORD 5.0L/302 Cylinder Heads. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. They cut the center two chambers from three Boss 302 heads then welded them together to form an inline six head that bolted on a 300 block! The factory 780cfm carburetors are really, really expensive, and we didnt want to spend a few thousand dollars on a carburetor, explains Holdener. if you have over. The only caveat to all this is that the Twisted Wedge heads do limit valve lift (0.600 inch) and duration on stock pistons due to their repositioned intake valvejust so you know. Sure there's someone on here that could tell you what heads you have would be better but with the right (mild) cam, good intake, etc. Once I pick the heads I was going to find a good cam for daily driving/ performance. you need custom pistons, boss intake, boss heads, boss pushrods, custom headers for a 65-66 mustang, 69-70 b2 headers for 67-70 mustang. Get big power on a small budget with BluePrint Muscle Series cylinder heads! Can you further help me with where to buy this? While it only had .480-inch of lift, that duration would really allow the RPM to climb. 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. The 302 has a 9:1 compression ratio, while the 347 and 363 have 9.6:1 and 10.2:1, respectively. All Edelbrock E-Street cylinder heads are assembled with manganese bronze valve guides, powder metal interlocking valve seats, and stainless steel one-piece valves with hardened valve tips. These ford flathead cylinder heads feature original edelbrock script logo design for fords and mercurys. So the induction system is kind of a toss-up. 030 shim. Cylinder heads casting ID decode for 260 289 302 351 390 406 427 428 429 460FE Boss Shelby. And like the others mention, it was C.J. What looks like parting lines are huge in some places, one exh runner has a stick of Aluminum protruding into the runner (pic 1). I have a Eldabrock Performer intake,msd distributor and 6al box and a 61mm bbk throttle body. Do the torque in 2 steps, first just hand tight, second with the torque wrench. 045. The Boss 302 had been built using a Windsor 302-cid engine, but then Cleveland heads had been added to the block due to their larger ports and valves. Renegade Street. This one appeared great at first use and for a couple of months. You can see the marks the intake valves made so you can clearly see the reliefs are not big enough (as in diameter, not depth). However, in the upper RPM range, the Boss 302 shows a definite, significant advantage over the DZ 302. I personally know several guys with Boss 302s that have been secretly stroked to 347. First of all. However, its always fun to think about building one or even erecting one from scratch, which you can do with a Ford Performance BOSS block (M-6010-BOSS302) and Cleveland heads. We will safeguard your e-mail and only send content you request. Think of Ford as a free-spirited car company with a rich history, driven by ego, that took big risks much as it is doing today with electric vehicles. 1.290 in Spring. So get comfortable, slip on your Ford-colored glasses, and hang on. Not too much carb for this engine. Great performance didnt notice any quality issues or burred edges when they came in. And the reality is, they did, in modified trim the way they were raced in the Trans-Am series. BluePrint Engines Ford 302 C.I.D. The spark plugs are also positioned well, and I cant foresee any interference with any headers. Years ago there was a six cylinder weight break for the late model classes at one of the local dirt tracks that I would frequent. If weight is a consideration, keep in mind that these iron castings weigh considerably more than the rest of the aluminum heads. Aluminum Block Aluminum Heads - Subtract .012? 20 Best Cycling Shorts For Long Distance (2023 Updated), 20 Best Cylinder Lock For Storage Unit (2023 Updated), 20 Best Treats For Guinea Pigs (2023 Updated), 20 Best Treats For Goldendoodle Puppy (2023 Updated), 20 Best Treats For Golden Retrievers (2023 Updated), 20 Best Treats For German Shepherd (2023 Updated), 1953 Ford Customline 8 Cylinders 3.9L 2BL. The heads also required custom-length Comp Cams pushrods to compensate for the relocated valves. http://fordsix.com/forum/viewtopic.php?t=33048, 1971 Ford Maverick - Budget 10-Second Turbocharged Maverick Coupe - Car Craft Magazine. it still has the vista 7 sticker on the palm rest area. I was trying to find a set of heads that will produce 300ish hp. These are perfect for a street build and the price is outstanding!!. The .10 difference in bore spacing( but the bolt pattern is the same square four as the smallblock) makes me think 3. [] Heres a close up of the head Marvin is using on our 351C build. reading. Low mileage 440 from an RV, Hughes Whiplash cam and lifters, E-Street heads and RPM intake topped with a Quick Fuel Brawler 850 double pumper. The intake is off a 1965 Shellby. The DZ 302 in the Z/28 was a natural marketplace competitor to the Boss 302 from Ford. Currently I have a set of 1969 302 d0oe heads, and a set of 1965 289 heads, I heard both of those won't do it without spending a lot of money porting etcI was thinking of gt40 heads. They had to combine a four-inch bore from a 327 block with the three-inch stroke from the 283, Holdener elaborates. The Cleveland heads can fit a 302 with the appropriate water passage mods and shouldered bolts to compensate for the bolt hole difference. Ah now Plummer - it's not a secret if you post it on VMF! It will have screw-in core plugs and a four-bolt main block if it is a Boss 302. That tradition dates back to the companys founding in 1903. Having a hard time finding Boss 302 Heads online? They pull much harder through the midrange than the 351W heads they replaced on my 302 Ford. Opens in a new window or tab. Boss 302 heads are unique.No other heads will work without some changes. Jul 7, 2011 I've an Offy Boss 302 tunnel ram that I'd like to use in a build and was wondering aside from the 4V cast iron heads, which aluminum heads will work with this combo. The biggest difference between the two engines is the cylinder heads.. Bolts in anywhere a 302 will go with the right headers and pan. Won't work with the 289 stroke. 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. The 68 F code had 10:1 compression and made 210 bhp. Henry Ford II wasnt going to have it any other way. Edelbrock heads are available in two different versions, with either 1.94- or 2.02-inch intake valves. 154-3701: SB Ford Boss 302 12pt Head Bolt Kit. searching. These are perfect for their intended use, the street. The BOSS 302 Registry is not affiliated with the Ford Motor Company. crank, offset-grinding it to a smaller crankpin diam. Cast from prime A356 T6 aluminum, these "Z" heads from Ford Racing were designed using solid modeling technology. Not even close to what I thought I should be getting in a brand new set of heads. How can you call it racing if you're putting the brakes on before the finish line? Though peak horsepower is a quick reference point for evaluation, we prefer to use average power in these comparisons because it always produces a better picture of overall performance. pulled heads out of box, one head was in very nice shape, ready for service. Ford New Boss 302 w/351C HDS Hex Head Stud Kit. http://forums.vintage-mustang.com/vintage-mustang-forum/721154-1970-mach-1-h-code-build.html. Peak power was good, at 349 hp, and torque is also reasonable. Cylinder heads are available fully assembled or as bare castings. The supply chain issues are eliminating a lot of choices. The problem is the oil drain back passage has very poor alignment with the block and the valves are sitting in a pool of oil. But, I just came across this website and happened to ask about B. Sizemor's 6. It came with aluminum heads that were way too big for the cam and my use. 1970 Intake - 2.19 inches Exhaust - 1.72 inches. 1/23 . This particular evaluation only works, however, if lowest cost is the highest priority. There are many different types of cylinder heads for Ford 302 engines, so it is difficult to make a definitive conclusion about them. Truth is, a factory original Boss 302 is happiest with a 600 to 650 cfm Holley. Our FDC has over 150 racing members and FORD promised us Hubert Platts Drag Mustang after series which disappeared. Other Intakes >> Application. Great bang for your buck with these heads. Fits factory 1979 - 1995 Mustang oil pan with custom oil pickup tube, part number: M-6622-BOSS302 NASCAR inspired front oil feed on both lifter galleys. These heads feature A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. . Boss 302 blocks are used all the time for Windsor headed performance buildups! Batten of Romulus, Mich who did the furnance-blazed heads. Alum. Will these heads work well?. Any advice would be greatly appreciated. refresh the page. Is it the 69 or 70 Boss 302 head that's more streetable? Have you got the intake? Ports 2.38" x 1.68" C9ZZ-9424-C. C9ZE-9425-A . The Fora platform includes forum software by XenForo. Better than fighting with iron cylinder heads. You MUST flycut the valve reliefs on the pistons larger if using stock pistons. It had a description amd Alan Johnson Cylinder Heads listed as the vendor and contact #805-922-1202. Luckily I had the tools to put them back on but this could have been a issue and made them not bolt on heads. But as we've seen before, the heads that produce the best peak power also tend to do so throughout the entire rpm band. 302/351 X2 Head. Meaning, their AQL is very low. Both of these options caused an internal vacuum leak because my intake sat low and the end seals did not let the intake ports seal like they should have. This educational content is not intended to be a substitute for professional advice. . It was a world beater and symbolic of the end of the classic muscle car era. A stock 1970 Boss 302-spec solid, flat-tappet cam was used and offered a tad over .500-inch lift and 228 degrees of duration at 0.050. 2.02/1.60 in Valves. Otherwise, pair these with some flat top pistons with the correct valve reliefs. Other than this the heads flow nicely on the street. I would suggest pulling the vavles and wiping everything down. What? The BOSS head was functionally identical to the 351C 4V head. They are very capable iron heads. legend . instead of 50 oz. Talk to Coast High Performance in Torrance, CA who sells quite a few 347 Street Fighter kits/short/long blocks and they will have some stats to back up quite a different story. i drank a bottle of 10,000 rpm and thode a rod !!! Hate to tell you this but a BOSS 302 has Cleveland type heads. . The heads are awesome and fit great! A tad shorter then a 351W but a little wider due to the size of the heads. Small Block Ford. That may or may not make your ultimate choice any easier, but if so, you can thank us later. Suddenly these heads arent so appealing. They still have classes? Ford Racing's Z heads (PN M-6049-Z304DA, 63cc chamber, 2.02-inch intake valve, $1,695) are the next step in bolt-on performance castings for small-block Ford engines that see street and on-track . If you had the right pistons, you could use 351C 2V heads which are cheap and plentiful and don't have the low end port velocity issues 22GT described. Turbo 300-inch Ford can bang off 10.90s at 120 mph. No mention of those holes in the instructions. Like with standard 4V heads, you would have to machine the tops of the heads to accept screw-in, adjustable rocker studs. And, he decided to make that happen. very poorly packaged, opened it and there was no screen protection sheet between screen and keyboard. This is my first engine build, let me know if Im doing it all wrong. Up top, are a set of Ford Motorsports C302 cylinder heads, which have been worked over by Roush-Yates Racing. 154-4207: Ford Racing Aluminum Valve Covers, Part # M-6582-Z351, SS, 12pt . We discovered this was a 1969-70 BOSS 302 head modified for use on a 351C. ), then the second-least-expensive headsthe Edelbrock E-Street headsreally begin to stand out. Because of the pent-roof design of the heads, the Boss also had forged pop-up pistons to achieve the desired 10.5:1 compression ratio. They will outperform many of the average aluminum heads. good luck with that. I believe C.J. either way, Im so thrilled with this product that im picking up the 205s for a fast engine build. Peak power numbers are always fun to throw around, but car-crafters are also very astute at determining what all that power will cost. That would probably have been the only intake available to work , at that time. Both engines are solid flat tappet cams, and the Chevy especially responded to changes in the lash. While the tunnel port wasnt a complete success, thats how the Boss heads came to be. 546hp @5600 rpm also had 630 ft-lbs torq@ 4400 rpm. Valves 2.02 / 1.55" . I installed these on a factory 302 HO in my 94 Mustang. Plus we used cam dial-in and it was only off a half degree. Would it mess with the computer really bad. 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. GT40 heads use 1.84 intake / 1.54 exhaust. Ford's original Boss 302 engine was only produced for two years (1969 and 1970), but it was so cool it's understandable why the little V-8 has gained such an . I might like to put it back together this summer with your fluid damper a 600 holley carb and maybe your electronic distributor . 300 HP wouldn't be far off. 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