boss 302 aluminum heads

ONE WAS OFF BY. Ever wonder what those camshaft specification numbers really mean and how they affect engine performance? So get comfortable, slip on your Ford-colored glasses, and hang on. Aluminum. Throw a blue oval flag over the RHS, Edelbrock, and Ford heads, and the performance is very similar. Does anyone remember the six cylinder heads they made for Bruce Sizemore. Basically, the DZ 302 shared all the specs with the previous 365-horsepower 327, with the fuelie heads, the Duntov cam, an aluminum intake, and Holley carb. But as we've seen before, the heads that produce the best peak power also tend to do so throughout the entire rpm band. Ive built 302/347 engines with stock heads, Roush180/Windsor Jr. , and Trick Flow Twisted Wedge heads. The Edelbrock #5073 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. 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. These are perfect for a street build and the price is outstanding!!. Budget iron can run $1195.00 for an easy 500 + hp but any more needs more valve area. 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. 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. 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. It had a close ratio 4 speed transmission, a 3.50:1 rear axle, a staggered shock competition suspension and a 16 : 1 steering box. However, this time it boasted 412 Horsepower and 390 lb-ft Torque! BluePrint Engines HP9009: Cylinder Head, Assembled, Aluminum, 60cc Combustion Chamber, Square Port, Ford, 289, 302, 351, Stud Mount, Each Welcome to a new class of high performance cylinder headsBluePrint Muscle Series! 1.73:1 rockers, 522 lift 292 duration nets 420 HP at 6300. Don't know if it's still good. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. A stock Boss head will support way over 500 horsepower, where the Chevy will struggle at 400 horsepower. I think the higher RPM one had larger valvesand ports, right? You will need the boss piston to go with the canted valves.. No. When it comes to the valve events, Ford and Chevrolet took two different approaches. This one appeared great at first use and for a couple of months. Camshafts were quite similar to the 289 HP. Im sure you had over 400. Exhaust - 1.72 inches. 0:1 on blocks with a 3/16 base relief (stock bore and stroke). Cylinder Head 190cc Assembled. Whenever youre running a flat tappet cam, always use a zinc additive, Building Classic Ford 351 Cleveland Power. So, instead, they ran a simple 750cfm Holley carburetor, along with 1-3/4-inch dyno headers. which de-stroked it. Its all a win,win. At the brochure, the two engines are identical power-wise, according to Holdener, but we prefer to let the dyno tell us who makes what. I first installed an oil trap in the PVC thinking something went wrong with the piston rings. You would need a Boss 302 manifold for the intake. However, it also led to a lot of upset Bowtie fans for some reason. Your email address will not be published. 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. It came with aluminum heads that were way too big for the cam and my use. The result was a powerful 290-horse factory screamer with peak street power coming in around 6,000 rpm. Back in the day, there was all kinds of speculation that they made more than 400 horsepower. Typing on the key kaed is cumbersome. Due to the larger Cleveland-style heads, the Boss 302 weighs somewhat more than the normal 302, tipping the scales at 500 lbs. Ford took on the world with the GT40 supercar. After its time on the pump, the DZ 302 posted 357 horsepower at 6,700 rpm and 333 lb-ft of torque at 4,300 rpm. For use only with Special heads . $1,692.99. Reportedly designed by a drag racer and tinkerer named Sherman Sligh, the Boss 300 is engine design gone mad. Buy It Now +C $186.98 shipping estimate. This includes 260, 289, 302, Boss 302, 351W and related variants. You wont find heads of this quality at a better price anywhere. We discovered this was a 1969-70 BOSS 302 head modified for use on a 351C. FORD and Mustang Cylinder Heads (6090) 5752143: 59 332 352 . 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. He used a correct Duntov camshaft and set the lash a little tighter than the original spec, at .020-inch. Great top end with these heads also. Other Intakes >> Application. I understand why now they are so much more money! 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 . Not even close to what I thought I should be getting in a brand new set of heads. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. They used the 3 center sections of the heads. Cast from prime A356 T6 aluminum, these "Z" heads from Ford Racing were designed using solid modeling technology. 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 supply chain issues are eliminating a lot of choices. Thesecret to a long life stroker is to add wieght to the crank so you can exterally balance @ 28 oz. Fords incredible 1969-70 Trans Am BOSS 302. This page last updated: February 3, 2022. The BOSS 302 heads used some of the biggest valves in the industry. It ran a regular head that was tweaked (either before the slicing or class requirement). Edelbrock 5025: Cylinder Heads, E-Street, Aluminum, Assembled, 60cc Chamber, 170cc Intake Runner, Ford, 289, 302, 351W, Pair - Are you looking for a set of entry-level street performance heads for your modern street rod, muscle car, or truck? Nevertheless, for a street engine, this head delivers excellent midrange power. And torque is what gets the car moving from a stop, pushing you back in the seat. Do 302 cylinder heads increase RPM? Even the stock cam should peek higher than 5500 rpm. the engine was called a "boss 289" not a clevor, a clevor was a 351W with 351C heads and a custom intake. THE NEXT ISSUE WAS VALVE SPRING INSTALL HEIGHT. After spending an hour on the Edlebrock Tech line we determined the instructions are out of date relative to the current product being delivered of the 5073 head. Then Ill be looking for upgrades. 1969 - C9ZE-6090-A or C First of all. The product is a great entry level/cheap head though so 5 stars! But when I received them the box was almost completely destroyed and when I took them out of the box 2 valve springs and retainers were off the stud and loose in the box. The F code 302-2V was made from 68-73. Any who, this is a work laptop, and it started out pretty fast, but over time, it eventually slowed down. 040 roller short block A little lope at idle but it pulls everywhere in the rpm range. Plus we used cam dial-in and it was only off a half degree. Autozone has a great price on these heads. I work in IT, so I know a good laptop/PC when I use one. All in all, Im not a fan of this series from Dell. Hate to tell you this but a BOSS 302 has Cleveland type heads. Bob Perkins(WI) located it and restored it to original shape and build special plexiglass trailer for it to display. We used Comp roller rockers for the remaining heads to level the playing field, but if you are considering a set of these heads, be aware that the rockers and fulcrums need to be considered as well. This is my first engine build, let me know if Im doing it all wrong. Dimensions in Inches (LxWxH): 24.1 x 24.1 x 8.7. Perhaps you should do a YouTube search for Ford 302 boss vs 302 Chevroletperhaps it could wake you up on how much you DONT know about ford racing . We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. which will help take the wait off the rear main bearing. Im looking to build an engine that produces 300ish hp. 165 cc Intake. There are plenty of them lying around used and new-old-stock. The cam featured 290 degrees duration and .477 in (12.1 mm) of lift. 1 on Pg 2 instructs the used to drill 3 holes if a 400 block is used. 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; The Edelbrock Flathead Cylinder Head is made of A356 aluminum T-6 tempered cylinder head. My fault for not setting the intake on the engine to check my end gaps. (Image/Jim Smart) Although these are 1969-70 BOSS 302 heads, they []. Comparing the cylinder heads on paper, using data collected by Holdener for a previous article, the Boss heads clearly come out ahead. These elements made the BOSS 302 a unique mill compared to what the rest of Detroit had to offer at the time. World contributed the lone cast-iron head to our Ford small-block test. They will outperform many of the average aluminum heads. Luckily I had the tools to put them back on but this could have been a issue and made them not bolt on heads. 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. The drag strip in my area doesn't have any classes. 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 . Ports 2.38" x 1.68" C9ZZ-9424-C. C9ZE-9425-A . 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. This new design offers a 25-50 HP increase over current Cobra Jet heads, depending upon displacement and camshaft. SBF FORD Aluminum Cylinder Heads 302 /351w 190cc 62cc 2.02 /1.60 For ROLLER CAM. That means 305 maximum cubic inches. Intake - 2.23 inches 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. 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. 1.90/1.60 in Valves. It's all bracket racing. Greg has spent eighteen years and counting in automotive publishing, with most of his work having a very technical focus. Assembled. detroit metro auto parts "302" - craigslist. Enter Fords development of an all-new 351ci engine with poly-angle valve heads and tight-fisted wedge heads destined for a 1970 introduction. FLO-TEK Performance cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. IF YOU DO THIS BE SURE TO USE PERMATEX #2 ON THE INTAKE STUDS. 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. The body is lowered 11 mm (0.433 in) up front and just 1 mm (0.039 in) in the rear to give it a more raked stance designed to recall the original. It would make a nice high rpm engine that was pretty soft on the lower end where you spend the most time. reading. saw a pair of Boss 302 heads online for $400 and thought why not. We should stress that during testing we optimized each set of heads for timing and jetting and then ran the engine for two near identical runs, which were then averaged to come up with the final power numbers. Exhausts have only a. Well I have a 1977 copy of Pop. 1969 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. 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. Pic 2 is a spot next to a water port on the intake surface where it looks like the facing tool tilted some. 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. We had a grad student at UMR custom design his own crossflow head for that engine and the entire thing was CNC'd from one piece of aluminum. Cleveland's Crown Jewel. Won't work with the 289 stroke. I am building a budget 440 RV motor that should be a monster street tire smoker for under $3000. 60 exhaust valves. You are better off buying model 5023 with 1. Yates? The completed head is also wider so push-rod holes need to be cut-out on the block side, then sealed with "o" rings, etc. Moving to the Blue Oval, we see that they went with a milder profile. Cylinder heads are available fully assembled or as bare castings. Revised cooling system passageways Siamese bore with drilled coolant crossover holes (Except on M-6010-B302BB ) Increased bulkhead material 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. . It was 351C heads, 3 of them, cut up into 6 pieces, then furnanced blazed. For a better experience, please enable JavaScript in your browser before proceeding. 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. This combo has been dynod at 460-ish hp at 5000 rpm and 550 ft lbs of torque at 2000 rpm. What looks like parting lines are huge in some places, one exh runner has a stick of Aluminum protruding into the runner (pic 1). Like with standard 4V heads, you would have to machine the tops of the heads to accept screw-in, adjustable rocker studs. The Fora platform includes forum software by XenForo. Our test heads came with the larger intakes that clearly contributed to these heads' strong showing. The runners are as cast and a bit rough. This head is intended for a flat-tappet camshaft, so it was outfitted with a small-diameter spring that might have limited its performance in the midrange slightly. I also figured that the DZ 302s smaller heads, with better port velocity and more compression, would make more peak torque. Intake - 2.19 inches Find Parts and Accessories Boss 302 aluminum heads KEYWORD and get Free Shipping on Orders Over $99 at Summit Racing! I was still only available with the special 302ci 290 hp high output engine. Experimental Boss 302 style heads . very poorly packaged, opened it and there was no screen protection sheet between screen and keyboard. A forum community dedicated to hot rod owners and enthusiasts. Won't work with the 289 stroke. When we tore apart the first head it was full of shavings and one of intake valves was super tight and one of the exhaust valves was bent w/. I used them with a Comp Cams 274XE cam and a QFT 600cfm carb. Alum. Still have lots of racing Boss and Hipo parts. We apologize for the inconvenience 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). Bill Mitchell Products BMP 087510 - Aluminum Engine Block Ford Small Block 302 Mains, 8.200 Deck, 3.995 Bore, Billet Caps. The results of this test didnt really surprise me, except for one thing, reveals Holdener. We got more than 450 HP on Fords dyno when we blew right rear tire and it took out Ford training board. It took about 500 honest HP to break into the 11s with a little bit heavier car than your mustang. Purchased a long block on CL. 70 Boss 302 intake 2.19 / exhaust 1.71. A recent test of a prototype set of Hammerhead's castings bolted on a 427ci small-block stroker produced over 600 hp with a streetable hydraulic roller camshaft and 600 lb-ft of torque. Using the native mouse is awkward. And you'd have to replace the factory two-piece valves which are known to come apart randomly for no reason. These heads are really impressive!!!!!! Roush? Above you see a casting with a D1ZE part number. Keep the RPMs under 5,500 and valve lift is more like. This is the Head Bolt Torque Sequence (Pattern) for Ford's small block. The Cleveland type heads are used in the 302 heads. PRO1 170 Ford Tech Sheet - H30. The BOSS piston was a unique item, configured to use the 289HP rod with the 302 stroke. Meaning, their AQL is very low. 18 Ft/Lbs - Aluminum Heads. My first ever computer was an HP Pavilion PC, and theyve always been my favorite brand since then. Are there any aftermarket heads for it? 1-330-630-1555 1-888-841-6556. . writing. 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. The DZ 302 has a reputation for being a high-RPM screamer, and the camshaft is definitely part of that. Ford New Boss 302 w/351C HDS Hex Head Stud Kit. The darned thing was rabid dog fast. You might even be able to get some rejects since you'd be cutting them up and remaching anyway. 58 cc Chamber. disappointed discovering this situation. 185 cc Intake. At less than $950 for the pair, these Edelbrock heads may be the best bang-for-the-buck investment of all the Ford heads in this test. The cylinder head also contains the spark plug and fuel injector(s). To minimize the grief of doing the math yourself, we averaged the horsepower between 3,000 and 6,000 rpm, then divided that into the cost of a pair of heads. 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. 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. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Needless to say the head kicked ***. Actually, everything about these heads helps the little 302. good luck with that. If weight is a consideration, keep in mind that these iron castings weigh considerably more than the rest of the aluminum heads. When you do that, you can see that the TFS head did substantially better than all the other heads above about 4,400 rpm. extreme amount of burrs left all around the rocker shaft mounting pads. 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. I was wondering how these heads would work on my 97 5. The Ford head uses a net-lash design that makes the valvetrain non-adjustable. Street 512 Mopar motor in a Dodge Dart . installed the heads on a 1978 460 bored out .060 over went from 500 hp to 551 hp @4900 rpm on a dyno 8/9/19. i knew a guy that put a set on his 65 shelby. If ultimate power is not the most important point, then you could easily choose any of these heads and make a good decision. 165 cc Intake. edelbrock. searching. But there is absolutely something else wrong. The Fora platform includes forum software by XenForo. Great velocity with these heads. Click to expand. Experimental Part . Ford Performance Cylinder Head X2 Street. The compression ratio is 8. Jeff Speegle Come see us @ ConcoursMustang.com MCA Shelby Judge, SAAC & Team Shelby Judge (in no particular order . Up front, upgraded upper and lower control arms fix some of the shortcomings of the original Ford bits, while out back, a Fays2 suspension Watt's link locates . These were available in stock and have the right size intake valves so I grabbed them instead. 010 runout and wouldnt come out of the head without a lot of force (we never took it out). If I wasnt on a time crunch, I would have returned these heads. This engine was built in the 80s by someone with way to much money. Save my name, email, and website in this browser for the next time I comment. Required fields are marked *. The DZ 302 used a 1.5:0 ratio, while the Boss 302 head used a larger 1.72:1 ratio. THe new heads will have the same bolt-pattern as the original 6. 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 made for an incredibly close series of tests, which proved that regardless of how you get your displacement, similar displacement engines will make similar power and respond similarly to modifications. 2023 Power Automedia. Aluminum. And, he decided to make that happen. Your email address will not be published. Street Cruiser Cylinder Head. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Turbo 300-inch Ford can bang off 10.90s at 120 mph. What? Combine Edelbrock quality with excellent power and a highly competitive price, and the E-Street Edelbrock heads strike us as an excellent choice. http://fordsix.com/forum/viewtopic.php?t=33048, 1971 Ford Maverick - Budget 10-Second Turbocharged Maverick Coupe - Car Craft Magazine. Both engines are solid flat tappet cams, and the Chevy especially responded to changes in the lash. in 1969 with Doug Durham and me ,TED FORDMAN EHRHARDT who took a new Boss 302 short block apart and checked all specs. He stated he spent over $10,000 back then. 015 AND THE REST WERE. No stick hole up top. I changed the thermostat so it would dump alittle more gas in her no problems so for.

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