boss 302 aluminum heads

detroit metro auto parts "302" - craigslist. 125 of gap at the front and rear ends and you are running a blower or a turbo then I would suggest making some spacers to take up the gap on the ends because anything over. D1ZE service block and aluminum rods. High-Quality Details With the Edelbrock part #7129 Performer RPM E-Boss 302 intake manifold, you can build a mock Boss engine by using a standard 302 block and Edelbrock Performer RPM Cleveland cylinder heads #61699. Once those two tasks were completed, the heads delivered the best peak horsepower and torque numbers of the entire test, knocking down an excellent 380 hp at 6,000 rpm. Well, I got about 500 miles on the engine now and couldnt be happier about the build. Alum. BOSS Cars Nationals 2005 - BOSS Cars Reunited. Cloyes gears to replace the factory chain set-up and hand-built his own Accel BEI distributor by machining the housing ut of aluminum billet. Just my thought. Their modern combustion chamber design helps to improve the combustion process and their larger-than-stock intake and exhaust ports help to move more air through your engine. This includes 260, 289, 302, Boss 302, 351W and related variants. You might even be able to get some rejects since you'd be cutting them up and remaching anyway. I HAD TO CHANGE OUT THE SPRINGS FOR ONES WITH MORE PRESSURE DUE TO VALVE FLOAT AND I AM ONLY RUNNING AN E303 CAM. You may also cruise the online auctions for a vintage 5.0L roller block (F1AZ-6010-B). JavaScript is disabled. The heads were to big for a 351CLEVELAND. Classes? Cylinder heads are available fully assembled or as bare castings. But as we've seen before, the heads that produce the best peak power also tend to do so throughout the entire rpm band. extreme amount of burrs left all around the rocker shaft mounting pads. Otherwise, pair these with some flat top pistons with the correct valve reliefs. Renegade Street. (Image/Jim Smart) Although these are 1969-70 BOSS 302 heads, they []. I just got a block that is 289 .30 over and I wanted to reuse my pistons I think they are sealed power 7006p (obsolete now). I KNOW FROM EXPERIENCE. Though that's significant, this is only reflective of a single point in the curve; it is more important to evaluate the entire length of this horsepower graph. Above you see a casting with a D1ZE part number. The BOSS 302 Registry is not affiliated with the Ford Motor Company. Meaning, their AQL is very low. 1/23 . Also; I had Carroll Shelby/SAAC racing program in several other FORD dealerships . The cylinder head also contains the spark plug and fuel injector(s). Maximum output for less money!. reach with flat gasket seat. Fords great success with its powerful V8 engines is legendary. Batten was at the top of their game then and were welding up and porting the best bow tie heads on the planet back then, besides all the othher stuff. Bolts in anywhere a 302 will go with the right headers and pan. This was a simple fix, using a drill press to open up the restrictors before we could use the 1/2-inch ARP head bolts. 1970 We learned on the first few pulls that we had too much carburetor with our 750 cfm Holley 4160 and too little camshaft. It was the most expensive of all the heads we tested. That would probably have been the only intake available to work , at that time. We apologize for the inconvenience It should be in the product description and specs. 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. Learn how your comment data is processed. These heads have the right size valve for those piston. refresh the page. Ford Aftermarket. The additional space improved the engine's breathing. Our test heads came with the larger intakes that clearly contributed to these heads' strong showing. Won't work with the 289 stroke. The winner in this evaluation is almost always the least-expensive head just because of the way the math formula works. 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. Twisted Wedge and Canted valve (TFS and C302b) in aluminum promote even better performance. disappointed discovering this situation. Very nice , Made in USA quality and same price as off shore heads. They are Worth it. That's what the TFS Twisted Wedge heads did here. That means 305 maximum cubic inches. PRO1 170 Ford Tech Sheet - H30. One thing I found particularly awesome about these heads is the spark plug holes and threads. 88 DNA Motoring LEPOW-038 Aluminum Bare Angled Cylinder Head [For Chevy SBC 302/327/350/383/400] 3 030 shim. Fits on Dodge ramcharger, monaco, w100 series, sierra, pioneer, d300 pickup, d100 series, custom. At the time the first heads were done, I think only cast iron were available so they were furnaced brazed.If you sliced them, any shop that repairs heads could do the work. We will safeguard your e-mail and only send content you request. for use w/ Special Intake. I think that a race head is available through someone that is all aluminum. The intake valves all have. But the springs they come with are for a hydraulic roller cam. Cross Boss 302 Mustang off highway use. For what the (complete) Boss heads and a intake will run seems you would be better off just going with a good set of after market heads. Dimensions in Inches (LxWxH): 24.1 x 24.1 x 8.7. I have a Eldabrock Performer intake,msd distributor and 6al box and a 61mm bbk throttle body. OK, you can do pretty well on a budget. The holes are also there in a 350 block and Felpro gasket as well as the 5073 head. The Mustang 5.0L Coyote Engine Gen 1, Gen 2 & Gen 3 differences are explained by Landan with LMR. Experimental Part . Like we said, if best power or least price is your only concern, then the decision is easy. ---185cc Aluminum Heads for SB Ford --- Heads are sold individually. If you used windsor heads its not a BOSS. Thanks to all who helped us get here. Ultimately, the best cylinder head for your Ford 302 will depend on your specific goals and needs. The 4-bolt caps can be seen here. The BOSS 302s biggest shortcoming is port sizing, which is something Ford has rarely been able to get right. Throw a blue oval flag over the RHS, Edelbrock, and Ford heads, and the performance is very similar. 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. If I were to shop for a personal laptop, Id never consider this laptop based purely on what it looks like. . Sizemore, formerly of Preperation H fame, did considerable valvetrain developement and terrorized the former checvvy stronghold of I and J/Gas. However, this time it boasted 412 Horsepower and 390 lb-ft Torque! ENGINE BLOCKS . loading. Absolutely no complaints, tons of flow and tons of fun. 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. either way, Im so thrilled with this product that im picking up the 205s for a fast engine build. 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. I was still only available with the special 302ci 290 hp high output engine. For those who consider swirl a detriment to producing power this is a positive thing. I have not been able to specifically identify because the stamp on corner does not mach up with what it should be. 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. Find Parts and Accessories Boss 302 aluminum heads KEYWORD and get Free Shipping on Orders Over $99 at Summit Racing! You are better off buying model 5023 with 1. The DZ 302 in the Z/28 was a natural marketplace competitor to the Boss 302 from Ford. Primarily, the 5.0L V8 in the F-150 received a lower compression ratio (10.5:1), intake camshafts with less duration, cast iron exhaust manifolds, and revised cylinder . The BOSS head was functionally identical to the 351C 4V head. AFR - Airflow . The GT-40 cylinder head was produced in cast iron and aluminum, available from Ford Motorsport SVO and Ford Racing. Australian car enthusiast with 30 years experience in the high performance industry. The RHS heads come out of the box with a very nice-looking casting, and back that image up with respectable performance. The modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine for improve efficiency. Henry Ford II wasnt going to have it any other way. The BOSS piston was a unique item, configured to use the 289HP rod with the 302 stroke. Guys if you want to make serious power. For Use w/289/302/351 Windsor-Style Engines. Parts made from tooling for the cancelled 1971 BOSS 302 were used for service. You wont find heads of this quality at a better price anywhere. Speedway and Try-State Cylinder heads both stand behind this product. This page last updated: February 3, 2022. The TFS heads made an honest 380 hp, but what we found surprising was how well the Edelbrock E-Street head did, with a peak of 371, substantially better than Ford Racing's 362-hp third-place finish. . Aluminum. One side opted for mild lift and more duration, and the other went for more lift and milder duration. If we've muddied the waters a bit, it's only the result delivering more information on the way to a decision. Best heads for the price. The Boss 302 and 351C-4V head casting are the same except for a minor difference in water passages. I thought the bolt pattern was the same, that is what helped to make the swap work. If you're drag racing in a class where the weight of the car divided by the cubic inches determines what class you run in, it may be advantageous to drop the displacement a little if it will allow you to get into the faster side of a slower class. I would guess Im somewhere around 375HP @ the flywheel in this build. Their modern combustion chamber design helps to improve the combustion process and their larger-than-stock intake and exhaust ports help to move more air through your engine. I did hear somewhere that there was a fellow using the late model chev heads and cutting those up and making a crossflow head for a 300 six..That would not be too hard to check out if a fellow had a 300 six block and some access to some of the late chev heads I think the LS6 heads..It took three of the heads to make one and since they are aluminum that resolves some of the fabrication issues..Is it true well I dunno for sure but it may be worth a looksee to see if it may work.. I personally know several guys with Boss 302s that have been secretly stroked to 347. The intake is off a 1965 Shellby. Don't know what the compression ratio would be with those pistons you mentioned but don't forget the HI-PO 289 produced 271 horses with 10.5 compression. Your email address will not be published. This is the 2012-2013 BOSS 302 cylinder head casting, M-6050-M50 and M-6049-M50 (shown), which really is a different casting of an improved 356 aluminum alloy (versus 319 with base Coyote heads) with CNC-machined ports and chambers. Actually, everything about these heads helps the little 302. Boss 302 is a Windsor engine; uses Windsor cam lobe profile & 1.6 Windsor rockers. Build your own custom newsletter with the content you love from EngineLabs, directly to your inbox, absolutely FREE! in 1969 with Doug Durham and me ,TED FORDMAN EHRHARDT who took a new Boss 302 short block apart and checked all specs. As I recall from articles way back, this is an expensive process. For use on pre-pollution controlled vehicles only. 58 cc Chamber. It ran a regular head that was tweaked (either before the slicing or class requirement). And really, its a difference in the philosophy behind these two motors. The BOSS 302's biggest shortcoming is port sizing, which is something Ford has rarely been able to get right. Also, the visual aesthetic is pretty plain, and the laptop doesnt have a sleek feel to it. RHS shipped the heads with what should have been a sufficient single 1.460-inch-diameter valvespring, but the horsepower graph reveals that above 5,800 rpm the power trailed off, leading us to think that perhaps with a better spring this head could have carried the power out beyond 6,000 rpm, which would have improved its peak horsepower number. Greg has spent eighteen years and counting in automotive publishing, with most of his work having a very technical focus. Bought these and compared to the other (PC). For a better experience, please enable JavaScript in your browser before proceeding. Your email address will not be published. Outperform many more expensive parts. The Edelbrock Flathead Cylinder Head is made of A356 aluminum T-6 tempered cylinder head. Enzo Ferrari, and others, were handed their backsides. Ports 2.38" x 1.68" C9ZZ-9424-C. C9ZE-9425-A . The 68 F code had 10:1 compression and made 210 bhp. The Ford had slightly less compression, at 10.5:1, so out of the gate, Chevy had a little bit of an advantage.. 70 Boss 302 intake 2.19 / exhaust 1.71. 1969 Intake - 2.23 inches Exhaust - 1.72 inches. Better compression then stock, better breathing then stock. Weve got 302 fords with gt40 3 bar heads making over 500 hp. 1-330-630-1555 1-888-841-6556. . Seems to me that if you get the right kit (ie correct wrist pin centering, rod length, etc), you should have no problem.. aliases: Bossssssman, bosscars, old fart, chat dawg, hey you. Boss 302 blocks are used all the time for Windsor headed performance buildups! We got our answer. from United States. The Twisted Wedge heads also had the strongest horsepower curve above 4,000 rpm of all the heads tested. Back in the day, there was all kinds of speculation that they made more than 400 horsepower. The BOSS 302 heads used some of the biggest valves in the industry. Not sure about the 5089. The Cleveland heads can fit a 302 with the appropriate water passage mods and shouldered bolts to compensate for the bolt hole difference. Inline and < 15* valve angle such as World Products Man O' War 10* heads promote very good performance. 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. They topped a 302 Windsor with the Cleveland -style heads, making the first Clevor. 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. At RHP reasonably well ported (340+ / 200) set of iron heads with large S/S valves, manganese bronze guides, p/c seals, rocker studs and guideplates are $1,695 exchange. The Fora platform includes forum software by XenForo. View Details. [] Heres a close up of the head Marvin is using on our 351C build. The wide and large port heads with staggered valve placement give the 302 H.O. Aluminum heads are affordable, lighter and will make more power. 8:1 compression, TFS Stage 1 hydraulic roller cam, 1 5/8 headers, Summit Stage 1 dual plane intake, Edelbrock 650 AVS carb. Compatible with Chevy Small Block 302/327/350/383/400 SBC 200cc Intake 68cc Angled Plug Aluminum Bare Cylinder Head $238.88 $ 238 . Said to be "overvalved" for street performance. the second head had not been full deburred from the milling process. 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. This could easily cause a hot edge and create premature detonation of the charge. Will these heads work well?. With such great success under its seat belt, Ford decided to dabble with the 289 and stroked 302 to see what could be done to further its performance image. Valves 2.02 / 1.55" . The Fora platform includes forum software by XenForo. Renegade Street. Swirl Remarks CHW's Modified Boss 302 head shows the elimination of a swirl effect at lifts below .600 inches. 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 . All Rights Reserved. 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. The Boss was topped off with an original aluminum. So, instead, they ran a simple 750cfm Holley carburetor, along with 1-3/4-inch dyno headers. I think it was based on the Cleveland design. The .10 difference in bore spacing( but the bolt pattern is the same square four as the smallblock) makes me think 3. Ive had several other brands, but HP has been the best. The BOSS 302 engine could use better cylinder heads with right-size port and valve sizing in a set of Trick Flow cylinder heads and a more compatible roller mechanical camshaft. 500 max! Flat cylinder heads have large water capacity and excellent breathing characteristics. Are you looking for a set of entry-level street performance heads for your modern street rod, musclecar, or truck? 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. The gaskets do not indicate which side goes out so be careful and dont do what I did and install them with the raised seal facing the intake side. As far as I'm aware you only choice for factory heads in the Boss 302. There are still 6 other steam holes not present in the 5073 head that are in the 350 block circa 1972. So get comfortable, slip on your Ford-colored glasses, and hang on. E7 heads use 1.78 / 1.48 just like the 60s stuff. So, a big head, lots of camshaft, an aluminum intake, and a Holley four-barrel. Topping off the Boss 302 was a specially designed aluminum dual-plane intake manifold mounting a 780-CFM Holley four-barrel carburetor, covered by a closed air cleaner assembly with a single inlet snorkel and a ribbed, domed lid that was also chrome-plated. Ford 260-289-302 Firing Order; Ford 351C 351M 400M Firing Order; Ford FE Firing Order; Ford 429 and 460 Firing Order; Chevy SB and BB Firing Order; No votes so far! 302 (may have been used on late 68 model year) 4V . Autozone has a great price on these heads. Thx. Both engines are solid flat tappet cams, and the Chevy especially responded to changes in the lash. Pic 2 is a spot next to a water port on the intake surface where it looks like the facing tool tilted some. Today, the aftermarket lineup of Ford cylinder heads has plenty of castings from which to choose. Besides the hemi-style heads themselves, the benefits of this new setup are many: For instance, a deck thickness of 0.7 inch to encourage safe use of power-adders, and full water jackets for proper cooling. The Dart castings would have been the Iron Eagle versions, and the Pro Comps are affordable in aluminum. Try the DZ 302 and see what happens! many cried in the various comments sections, to which the Ford faithful replied, Maybe against a BOSS 302! Well, Holdener was reading those comments, just like we were. I passed over a different set of heads at the recommendation of my machinist. Help keep from being nose heavy. Can you further help me with where to buy this? The spark plugs are also positioned well, and I cant foresee any interference with any headers. The Boss 302 takes the Mustang GT's suspension and adds higher-rate coil springs, stiffer bushings, and a larger diameter rear stabilizer bar. 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. The Coyote V8 engine also concurrently debuted in the 2011 Ford F-150. These all-cast heads are designed for hydraulic flat tappet and hydraulic roller cam engines with hefty intake runners, stainless steel valves, Viton seals, and dual springs. Junk ass Chevrolet stroker engines.puleeeeeze. 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. 125 of silicone is likely to blow out. the engine was called a "boss 289" not a clevor, a clevor was a 351W with 351C heads and a custom intake. The 300 and the 240 are identical blocks,the heads are different and the 240 is basically a destroked 300 so it will rev a little higher. I think it was Bruce Sizemore that ran an H/MP Maverick that held the class record for a while during the 70s. Sign up for a free trial to MotorTrend+ today and start watching every episode of Engine Masters, plus much more! Needless to say they began to really spank everybody and by the end of the season the six cylinders were out ruled. second time I have been disappointed with Edelbrock. When it comes to the valve events, Ford and Chevrolet took two different approaches. The Good and Bad of the head bolts on the SBF is that their are only 8 of them. However, it is generally agreed that aftermarket cylinder heads can provide significant performance gains, and that aluminum heads are often the best choice for racing applications. These Ford cylinder heads all feature between 170cc and 180cc intake port volumes and offer excellent performance potential over even the best production iron 5.0-liter heads. SB Ford WP Man O'War iron block/Man O'War aluminum head Head Bolt Kit. 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. DONT USE ANYTHING ELSE OR IT WILL LEAK. I would suggest pulling the vavles and wiping everything down. My build is a 306, 9. 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! Hack said: The size of 302 valves has varied a little in some performance versions over the years. But thanks to all of your responses this is not for me! Put on a 351w in a 1979 Tbird. Still have lots of racing Boss and Hipo parts. Sold individually. We got more than 450 HP on Fords dyno when we blew right rear tire and it took out Ford training board. 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). VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Ford had and did a great job with Ford Motorsports programs which we were in . 1969 I changed the thermostat so it would dump alittle more gas in her no problems so for. 9 intake valves since they bolt on easy with no modification necessary. Even the stock cam should peek higher than 5500 rpm. 1969 mustang fastback boss 429 351 race car front end. We tried this formula to see what our basically stock BOSS 302 would do. Be the first to rate this post. However, in the upper RPM range, the Boss 302 shows a definite, significant advantage over the DZ 302. We were smart enough to test-fit the heads on the Boss 302 block before testing began and discovered these heads are designed to be used with 7/16-inch head bolts, with restrictors in the head-bolt holes. We certainly don't want to ignore the peak numbers, and that's where the TFS Twisted Wedge heads really earned the spotlight. Cover Autolite 4V casting D0ZX9B48-3 . They are very capable iron heads.