boss 302 aluminum heads boss 302 aluminum heads

. 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. 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. saw a pair of Boss 302 heads online for $400 and thought why not. It was rated at 10.5:1 compression and 230 bhp (Shelby was rated at 250). Well, I got about 500 miles on the engine now and couldnt be happier about the build. The darned thing was rabid dog fast. To pull this off, we needed a durable mule, so we chose Ford Racing's Boss 302 345-hp crate engine that comes with a set of aluminum heads actuated by a .480-inch lift B303 hydraulic. I personally dont think a prospective buyer should have to learn about this issue by reading reviews. Boss 302s did indeed have 1.73 ratio rockers from the factory. 2023 Power Automedia. Tech-Sheet. Was running 850 dbl pump Holley with 4:56 gears, and I was running 12:20s at over 112 mph in the quarter. Ford Racing teamed up with Jon Kaase to redesign their 429 Cobra Jet cylinder heads, and the results are these Super Cobra Jet heads. 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. 185 cc Intake. 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. Not the 2012-13 Coyote DOHC BOSS, but instead the genuine pushrod original from an era when Ford did the unthinkable repeatedlyand won! The 4-bolt caps can be seen here. Is it the 69 or 70 Boss 302 head that's more streetable? The less you know the more you need vacuum secondarys. refresh the page. A guy near here used the advice on the link below, starting with a 67 289 2V engine. Best for 302-351 cubic inch engines. Batten cyl heads was instrumental in developing the high port exhaust for the Dyno Dons and Bob G's and Jack Roushes. Fords great success with its powerful V8 engines is legendary. BluePrint Engines Ford 302 C.I.D. "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. 030 AND 2 OF THEM WERE. Renegade Street. Said to be "overvalved" for street performance. The Ford had slightly less compression, at 10.5:1, so out of the gate, Chevy had a little bit of an advantage.. 8:1 compression, TFS Stage 1 hydraulic roller cam, 1 5/8 headers, Summit Stage 1 dual plane intake, Edelbrock 650 AVS carb. The Edelbrock 351C head shows a controlled "swirl ramp" that comes on lightly at 100 RPMs starting at .450" lift and increases steadily to 2000 RPMs at .600" lift. 1970 The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. Sign up for a free trial to MotorTrend+ today and start watching every episode of Engine Masters, plus much more! They have cast iron seats and guides (titanium valve compatible) and are set up for studs and guide plates. These heads are coated with assembly lube out of the box. I SENT THEM RIGHT BACK. It was a world beater and symbolic of the end of the classic muscle car era. either way, Im so thrilled with this product that im picking up the 205s for a fast engine build. So now, we have a pair of legends, being compared on the dyno. Its not a good time to be building a performance engine. Edelbrock heads are available in two different versions, with either 1.94- or 2.02-inch intake valves. No stick hole up top. World contributed the lone cast-iron head to our Ford small-block test. I first installed an oil trap in the PVC thinking something went wrong with the piston rings. Boss 302 - 1970 Boss. Remember this correction adjustment is approximate and is only meant to get you close for the initial start up of the engine. 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. A stock Boss head will support way over 500 horsepower, where the Chevy will struggle at 400 horsepower. Be the first to rate this post. 030 shim. I think I have seen afrermarket heads but cannot rememmber where. But as others have mentioned there are modifications that must be done to make it work. Aluminum will allow you 1pt up in compression for its ability to shed heat. Age Group: adult. I didnt and I think some of that lube got burned on the valve seat and causing it to not seal but, will have to open it up to find that out. If this becomes a bit more subjective by adding in power (and why wouldn't you? Back in the day, there was all kinds of speculation that they made more than 400 horsepower. 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. Weve got 302 fords with gt40 3 bar heads making over 500 hp. If ultimate power is not the most important point, then you could easily choose any of these heads and make a good decision. 64cc Volume. It will have screw-in core plugs and a four-bolt main block if it is a Boss 302. Edelbrock 5093: Cylinder Heads, E-Street, Aluminum, Assembled, 84cc Chamber, 210cc Intake Runner, Mopar, Big Block, Pair Are you looking for a set of entry-level street performance heads for your modern street rod, muscle car, or truck? While the Boss 302 was normally considered a 302 with 351 Cleveland heads, these canted-valve heads were used first on the Boss before the rest of the Cleveland was developed. 125 of silicone is likely to blow out. Ultimately, the best cylinder head for your Ford 302 will depend on your specific goals and needs. Once I pick the heads I was going to find a good cam for daily driving/ performance. Aluminum. Raced and owned quite a few Boss 302s. loading. 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. . Edelbrock E-Street cylinder heads are just the ticket. 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 . Also; I had Carroll Shelby/SAAC racing program in several other FORD dealerships . After a couple of good seasons of running competitively with the big blocks a couple of guys showed up with a custom head that consisted of two V-8 Ford heads that had a combustion chamber removed from each end and were furnace bronzed together in the middle. What I have found out so far, the engine runs. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. So Im into changing springs, retainers, locators, etc. 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. Neither was really that streetable but of the two the 70 had the smaller valves whick helped a little with the low rpm feel. This is where you must spend the money. 546hp @5600 rpm also had 630 ft-lbs torq@ 4400 rpm. If weight is a consideration, keep in mind that these iron castings weigh considerably more than the rest of the aluminum heads. 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. The results of this test didnt really surprise me, except for one thing, reveals Holdener. Small Block Ford. And like the others mention, it was C.J. There was also drill flash from the machining of the bores for the valve guides and spark plugs. Not true! Looking at the graph, it looks like the DZ 302 actually outperforms the Boss 302 from 3,700 rpm until 5,800rpm. The 170/200/25 are the same block design, with the 250 having a taller deck height (so you can't easily make a 250 from a 200). 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. Just A Taste is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. 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. It was honestly a guess on my part and the Tech had no additional information or opinion to offer. 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 . The push-rods needed to be extended using a 2-piece design w/a small aluminum sleeve (that slides in the block) to join the 2 pushrods. Ford had and did a great job with Ford Motorsports programs which we were in . Alum. Our FDC has over 150 racing members and FORD promised us Hubert Platts Drag Mustang after series which disappeared. Absolutely no complaints, tons of flow and tons of fun. The power numbers are so close that if we had tested these heads in a typical street car, it's doubtful we would have seen much of a difference in performance among the middle four heads. Im using a fairly mild flat tappet cam, so growing the installed height of the springs by 60 or 70 thousandths woul put both the seat pressure and open pressure weill within specs for a flat tappet cam. Ports 2.38" x 1.68" C9ZZ-9424-C. C9ZE-9425-A . These were available in stock and have the right size intake valves so I grabbed them instead. I believe C.J. Then Ill be looking for upgrades. As far as I'm aware you only choice for factory heads in the Boss 302. 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. Jeff Speegle Come see us @ ConcoursMustang.com MCA Shelby Judge, SAAC & Team Shelby Judge (in no particular order . Pair. That was a surprise.. It's also worth mentioning that due to a variety of scheduling and deadline pressures, the offerings from Dart and Pro Comp Electronics, both of which fit within our price prerequisite, didn't make the test. Great performance didnt notice any quality issues or burred edges when they came in. We tried this formula to see what our basically stock BOSS 302 would do. The intake is off a 1965 Shellby. Turbo 300-inch Ford can bang off 10.90s at 120 mph. Twisted Wedge and Canted valve (TFS and C302b) in aluminum promote even better performance. The heads also required custom-length Comp Cams pushrods to compensate for the relocated valves. The Fora platform includes forum software by XenForo. Prices listed are from the story's original publish date, February 1, 2013. The BOSS 302's biggest shortcoming is port sizing, which is something Ford has rarely been able to get right. My fault for not setting the intake on the engine to check my end gaps. 165 cc Intake. 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. Like we said, if best power or least price is your only concern, then the decision is easy. So your wrong. Having a hard time finding Boss 302 Heads online? Fig. Maximum output for less money!. However, way down low, where the big-port Boss 302 motor isnt supposed to work, it made decent low-speed torque. They had problems with the 69 heads..made some changes in 70 and won the Trans Am races.So 70 or 71 heads are the better heads. I am presently installing a 302 clevor into a 83 mustang GT. A big head and lots of airflow means lots of power. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. We discovered this was a 1969-70 BOSS 302 head modified for use on a 351C. 18 Ft/Lbs - Aluminum Heads. Valve stem heights all the same, decent springs, work fine for my rolller cam, good fit and finish. 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. 60 cc Chamber. These heads feature A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. Sign up for a free trial to MotorTrend+ today. 1.90/1.60 in Valves. The Cleveland heads can fit a 302 with the appropriate water passage mods and shouldered bolts to compensate for the bolt hole difference. JavaScript is disabled. Because they didnt allow destroking [of an existing engine design] initially, both companies had to build actual displacements of five liters, explains Holdener. 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. For Use w/289/302/351 Windsor-Style Engines. Thanks to all who helped us get here. Needless to say the head kicked ***. When it comes to the valve events, Ford and Chevrolet took two different approaches. I wanted to built a great runing, mild street motor around a stock sbf 302 short block. 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. Fits on Dodge ramcharger, monaco, w100 series, sierra, pioneer, d300 pickup, d100 series, custom. We'd love to test 'em all, but we decided to line up as many performance small-block Windsor Ford heads as we could find, as long as they were available complete for less than $1,350 for the pair. These are certainly worthy of attention at this excellent price. You can see how the valves are canted in this picture. They dropped off after that. 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. 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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 . 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). Finding a Street Boss intake likely wouldn't be too difficult as multiple manufacturers have cranked them out over the years. This has been done and is generally called a Clevor (using Cleveland heads on a SBF). second time I have been disappointed with Edelbrock. Hack said: The size of 302 valves has varied a little in some performance versions over the years. Any who, this is a work laptop, and it started out pretty fast, but over time, it eventually slowed down. 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. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! but thesell work on a large engine and flow, too. So, a big head, lots of camshaft, an aluminum intake, and a Holley four-barrel. It was the most expensive of all the heads we tested. Pontiac was the outlaw division. my signature linesnot really directed at anyone in particular.. Alum. The compression ratio increase is approximately 3/10 of a percent with each 1/8 stroke. Reworking Cleveland heads I think would require reducing the size of some of the water passages and I unsure of the block clearance . Heads are sold individually. If youre using stock pistons, get the version of these heads with the smaller intake valves (Part #5023). Any advice would be greatly appreciated. I called AFR about the problem and their only suggestion is to install a crankcase vacuum pump. Meaning, their AQL is very low. There is no flat spot and these engines will pull from 2000 against any rival including a Windsor. 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. Great bang for your buck with these heads. Ford Aftermarket. Thx. You might even be able to get some rejects since you'd be cutting them up and remaching anyway. I have tried most all of it and now do what is known to work.. Well, this may be old info, since the warning tells me that the last post for this discussion occurred >100 days ago. 58 cc Chamber. Pair. He used a correct Duntov camshaft and set the lash a little tighter than the original spec, at .020-inch. No drilling is required since it appears they updated the manufacturing process to eliminate this need. Edelbrock E-Street cylinder heads are ideal for entry level street performance engines. LOOKS AND PERFORMED GREAT. I was still only available with the special 302ci 290 hp high output engine. I would suggest pulling the vavles and wiping everything down. Other than this the heads flow nicely on the street. 370 HP Dressed Long Block Crate Engines BP3027CTC Crate Engine, Base Long Block, Aluminum Cylinder Heads, Roller Camshaft, 600 cfm Carburetor, Ford, 5.0L/302, Each Part Number: MLL-BP3027CTC Not Yet Reviewed Estimated Ship Date: Today Free Shipping $6,519.00 Add To Cart Compare Wish List ported and polished heads can also provide good results, but they may require more work to install and tune properly. Swirl Remarks CHW's Modified Boss 302 head shows the elimination of a swirl effect at lifts below .600 inches. The store will not work correctly in the case when cookies are disabled. I personally know several guys with Boss 302s that have been secretly stroked to 347. It was what the SCCA mandated for street homologation. Im sure you had over 400. Put on a 351w in a 1979 Tbird. Assembled. Do the torque in 2 steps, first just hand tight, second with the torque wrench. Its main function is to seal the combustion chamber and provide a surface for the intake and exhaust valves. 1-330-630-1555 1-888-841-6556. . 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. These new aluminum hemi heads will bolt directly to any small-block Ford from a 289/302 all the way up to 351W as well as Cleveland engines. Much of this gain over the stock 345-hp Boss 302 rating can be attributed to Westech's lower 140-degree engine coolant test procedure and open dyno headers. Exhausts have only a. 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. Did you get them at a Chevy garage sale? 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 Ford heads did well during the testing, making a peak of 362 hp. THAT IS UNACCEPTABLE IN MY BOOK. Speedway and Try-State Cylinder heads both stand behind this product. Great velocity with these heads. For the Boss 351, the entire Cleveland engine was used instead of simply the heads. Especially for the price, I would buy them again in a heartbeat. But it should be noted that Ak Miller built a '67 Mustang at about the same year and created a 300 out of a 240 ( for the younger ones a 300 used to be a truck engine and the smaller 240 was used in the cars,LOL) with a set of Webers and bigger valves and cam, it turned in the twelves, that's in the late 60s.