Fords great success with its powerful V8 engines is legendary. Required fields are marked *. Both companies decided to develop a 302 combination via the previously mentioned four-inch bore and three-inch stroke. DART . . The E-street came in second in peak horsepower and a very close third in average horsepower and torque. Dimensions in Inches (LxWxH): 24.1 x 24.1 x 8.7. Single angle amateur valve job and it was pretty sad looking At this point I called edelbrock and they gave me the song and dance so I called Jegs and they issued a return. The term refurbished was definitely stretched here: the screws are different colors from the black casing, the bottom rubber footers are looking like they have decayed so that the laptop wobbles, the side has a port that was left wide open with a broken/cracked piece and then when you try to open it, the screen side sticks to the keyboard side like it has a gummy residue of some sort on it. 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. Just my thought. The BOSS 302 heads used some of the biggest valves in the industry. These features improve an engines efficiency, resulting in more horsepower and torque and improved mileage potential. 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. Click to expand. Im trying to leave this pretty much as is, until I get a few good drives in. Experimental Part . 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. If you used windsor heads its not a BOSS. The Fora platform includes forum software by XenForo. They topped a 302 Windsor with the Cleveland -style heads, making the first Clevor. Edelbrock heads are available in two different versions, with either 1.94- or 2.02-inch intake valves. Im just hoping the new Edelbrock intake that arrived yesterday is better than these. Im looking for three Ford Cleveland 4V engines. The combustion chambers are filled with a 2.150-inch, 7mm-stem titanium intake valve, and a 1.60-inch, 7mm-stem titanium exhaust valve. 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! I had 90 runs on an original Boss 302 in a 70 Mustang. Be the first to rate this post. Condition does not matter! I passed over a different set of heads at the recommendation of my machinist. 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. The drag strip in my area doesn't have any classes. Enzo Ferrari, and others, were handed their backsides. We apologize for the inconvenience Compatible with Chevy Small Block 302/327/350/383/400 SBC 200cc Intake 68cc Angled Plug Aluminum Bare Cylinder Head $238.88 $ 238 . Save my name, email, and website in this browser for the next time I comment. 030 shim. Enter Fords development of an all-new 351ci engine with poly-angle valve heads and tight-fisted wedge heads destined for a 1970 introduction. 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. E7 heads use 1.78 / 1.48 just like the 60s stuff. Having a hard time finding Boss 302 Heads online? I work in IT, so I know a good laptop/PC when I use one. Outperform many more expensive parts. They'll work but have you got the Boss heads? They are also cast with combustion 1.90/1.60 in Valves. 302/351 X2 Head. The BOSS 302 heads are known as "Cleveland style" heads as they are based on the head designed for the 351 Cleveland engine. IF YOU DO THIS BE SURE TO USE PERMATEX #2 ON THE INTAKE STUDS. Edelbrock E-Street cylinder heads are ideal for entry level street performance engines. One thing I found particularly awesome about these heads is the spark plug holes and threads. Ah now Plummer - it's not a secret if you post it on VMF! Max effort class rule stuff runs over $2K. We will safeguard your e-mail and only send content you request. Have a 70 351 4v stored 25 yrs 50 k miles complete minus carb dist has manifolds 1800. never lube the seal lip ? Still have lots of racing Boss and Hipo parts. They pull much harder through the midrange than the 351W heads they replaced on my 302 Ford. 1969 - C9ZE-6090-A or C However, this time it boasted 412 Horsepower and 390 lb-ft Torque! For a better experience, please enable JavaScript in your browser before proceeding. FORD 5.0L/302 Cylinder Heads. This one appeared great at first use and for a couple of months. If I were to shop for a personal laptop, Id never consider this laptop based purely on what it looks like. The results of this test didnt really surprise me, except for one thing, reveals Holdener. If it is, then you know what you need to do. The Tech was nonchalant about this and stated these are a lower end part. For a better experience, please enable JavaScript in your browser before proceeding. See all 22 photos. That means 305 maximum cubic inches. Wait 1.6 rockers? Learn how your comment data is processed. These heads are screaming on the 302 I just built and are great quality. i drank a bottle of 10,000 rpm and thode a rod !!! but thesell work on a large engine and flow, too. All Cleveland style heads including the BOSS has 1.73 to 1 ratio rockers. Camshafts were quite similar to the 289 HP. Meaning, their AQL is very low. SB Ford WP Man O'War iron block/Man O'War aluminum head Head Bolt Kit. So your wrong. You will need the boss piston to go with the canted valves.. No. If this becomes a bit more subjective by adding in power (and why wouldn't you? Evidently youre research people are either misinformed, or just dont really care about building anything ford. Locate Boss 302 Heads on sale below with the biggest variety of Boss 302 Heads anywhere online. Once I pick the heads I was going to find a good cam for daily driving/ performance. For those who consider swirl a detriment to producing power this is a positive thing. 165 cc Intake. disappointed discovering this situation. The DZ 302 has a reputation for being a high-RPM screamer, and the camshaft is definitely part of that. Very limited suppliers of flathead parts always look to speedway for my hotrod items. 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 . These heads are always perfect, but could use a little bowl work thanks team SUMMIT. The holes are also there in a 350 block and Felpro gasket as well as the 5073 head. 60 exhaust valves. I'd have to look through some old books, but I think it took 3 heads to get 1, although it may have been 2. 1970 Intake - 2.19 inches Exhaust - 1.72 inches. Turbo 300-inch Ford can bang off 10.90s at 120 mph. 2/22 . The J code 302-4V was only made in 68. Cast from prime A356 T6 aluminum, these "Z" heads from Ford Racing were designed using solid modeling technology. 1970 If we were going to use these heads on a street engine, we'd disassemble them and spend the extra bucks to add a 30-degree back-cut to the intake and exhaust valves to improve their overall flow. 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. Hot Rodding's Engine Annual and it lays out an article on Bruce Sizemore's I-gas Pinto which reads "How to Build a 500 hp 6-cylinder Ford. Both these motors were factory-rated at the same 290 horsepower, but that number is suspect, says Holdener. Opens in a new window or tab. 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. And the reality is, they did, in modified trim the way they were raced in the Trans-Am series. You'll notice that we attenuated the horsepower graph to include just the power curve between 4,000 and 6,200 rpm. "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. No mention of those holes in the instructions. Best for 302-351 cubic inch engines. Though the average power was down compared to the TFS, RHS, and Edelbrock heads, the power is still acceptable, especially if you are more interested in getting a nice pair of aluminum heads than ultimate power. The Good and Bad of the head bolts on the SBF is that their are only 8 of them. Fig. When I set the carb I get a bouncing vacum needle at idle, Ive been told thats a sign of a sticking valve. 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. So get comfortable, slip on your Ford-colored glasses, and hang on. Weve got 302 fords with gt40 3 bar heads making over 500 hp. This made-in-the-USA head is Edelbrock's value leader. 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. 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 rocker studs are 7/16, not 3/8. The supplied ones are generic and poor fitting. 1.290 in Spring. Thesecret to a long life stroker is to add wieght to the crank so you can exterally balance @ 28 oz. Boss 302 blocks are used all the time for Windsor headed performance buildups! writing. Ports 2.38" x 1.68" C9ZZ-9424-C. C9ZE-9425-A . Peak power numbers are always fun to throw around, but car-crafters are also very astute at determining what all that power will cost. 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. It had a description amd Alan Johnson Cylinder Heads listed as the vendor and contact #805-922-1202. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. You MUST flycut the valve reliefs on the pistons larger if using stock pistons. Flat cylinder heads have large water capacity and excellent breathing characteristics. reading. I think I have seen afrermarket heads but cannot rememmber where. 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. I think the higher RPM one had larger valvesand ports, right? There is no flat spot and these engines will pull from 2000 against any rival including a Windsor. Something is very wrong with this, a blueprinted stocker should be in the 375-400 HP range. The TFS head looks much stronger than the Edelbrock version above 5,500 rpm, but the maximum differential is only 13 hp at 5,900 rpm. 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. Its main function is to seal the combustion chamber and provide a surface for the intake and exhaust valves. 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. These are certainly worthy of attention at this excellent price. 351C 4V heads (same as Boss 302 heads except where the water exits the head) are really overkill a street motor. it will be a "high winder" and with a bullet proof bottom end and a 4 bolt block could run to 10,000 rpm b 4 exploading ! TRW developed these pistons and suppled Ford with them for both racing and production engines. Pair. The most notable thing about the Flo-Tek heads available through Speedway Motors is the pricethat's $739.98 for a complete, ready-to-bolt-on pair of aluminum heads for a small-block Ford. The RHS heads come out of the box with a very nice-looking casting, and back that image up with respectable performance. This engine was built in the 80s by someone with way to much money. 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. There was a guy named CJ Batten who would cut up 3 boss 302 heads and put them on a 300 IL6.The one I remember was on in a rail type dragster. 02 intake/1. ENGINE BLOCKS . 1 on Pg 2 instructs the used to drill 3 holes if a 400 block is used. Dells are ok computers. This is my first engine build, let me know if Im doing it all wrong. 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. There was dust and paper bits all over the keyboard and screen!! View Details. Finding a Street Boss intake likely wouldn't be too difficult as multiple manufacturers have cranked them out over the years. When you do that, you can see that the TFS head did substantially better than all the other heads above about 4,400 rpm. But thanks to all of your responses this is not for me! I think it was based on the Cleveland design. If I wasnt on a time crunch, I would have returned these heads. 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. The brute 427 FE Series big block that won Le Mans also reigned supreme in limited production 1964 Thunderbolt Fairlanes in NHRA competition. Because they didnt allow destroking [of an existing engine design] initially, both companies had to build actual displacements of five liters, explains Holdener. For use on pre-pollution controlled vehicles only. These heads are coated with assembly lube out of the box. They will outperform many of the average aluminum heads. As with our small-block Chevy head test, we will evaluate each of these small-block Ford cylinder heads using several different categories in addition to peak torque and horsepower. sbf 302 aluminum cylinder heads. LOOKS AND PERFORMED GREAT. These are perfect for a street build and the price is outstanding!!. Combine Edelbrock quality with excellent power and a highly competitive price, and the E-Street Edelbrock heads strike us as an excellent choice. 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. I assumed thats how they went and I also used the end seals. Put on a 351w in a 1979 Tbird. Works with most standard components. Twisted Wedge and Canted valve (TFS and C302b) in aluminum promote even better performance. Cylinder Head. The Twisted Wedge heads also had the strongest horsepower curve above 4,000 rpm of all the heads tested. Search 6 Hohenthann siding contractors & companies to find the best exterior and siding contractor for your project. It is now becoming sluggish, and I get LBSOD issues frequently because of the wifi. The Edelbrock heads showed a little weakness in the midrange, something that could probably be rectified by adding a 30-degree back-cut to the intake valve. 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. Suddenly these heads arent so appealing. Was running 850 dbl pump Holley with 4:56 gears, and I was running 12:20s at over 112 mph in the quarter. There are plenty of them lying around used and new-old-stock. 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. Semi or Farm tractor repair shops would probably have the location of one near you.Now, with all the Aluminum small block head available, you could create a real bad 6. Flashing in ports was unacceptable. Any advice would be greatly appreciated. You are better off buying model 5023 with 1. A stock Boss head will support way over 500 horsepower, where the Chevy will struggle at 400 horsepower. 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. 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. 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. For the 1968 Trans Am season, Ford took the 302 cubic inch Tunnel Port out there in search of victory. This is my first engine build, let me know if Im doing it all wrong. Plus we used cam dial-in and it was only off a half degree. What type of heads fit a Boss 302 block? The 68 J and F code heads show to be the same in my information. To conceive the BOSS 302, Ford had to develop a special forged piston with a significant dome that would reach deep into the 351C heads 64 67cc chambers. Small Block Ford. which de-stroked it. I have a Eldabrock Performer intake,msd distributor and 6al box and a 61mm bbk throttle body. Also, the visual aesthetic is pretty plain, and the laptop doesnt have a sleek feel to it. Both engines are solid flat tappet cams, and the Chevy especially responded to changes in the lash. Speedway and Try-State Cylinder heads both stand behind this product. Building LS garbage? Moving to the Blue Oval, we see that they went with a milder profile. Feb 19, 2016. they mandated a 5.0-liter displacement limit. 09 of shims installed so they look good. And you'd have to replace the factory two-piece valves which are known to come apart randomly for no reason. I am running them on a 302 and purchased this set for a 351 build. The connecting rods and crankshaft are made of forged steel, and the heads are aluminum with roller rocker arms. Get big power on a small budget with BluePrint Muscle Series cylinder heads! Revised cooling system passageways Siamese bore with drilled coolant crossover holes (Except on M-6010-B302BB ) Increased bulkhead material The BOSS piston was a unique item, configured to use the 289HP rod with the 302 stroke. 60 cc Chamber. Ive built 302/347 engines with stock heads, Roush180/Windsor Jr. , and Trick Flow Twisted Wedge heads. The Boss was topped off with an original aluminum. Here you can see exactly where each engine outshined the other, and by how much. Are there any aftermarket heads for it? Factory was1.73 IIRC. 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. on a brand new set of heads. If you are looking for a set of World aluminum heads, you can find them at Bill Mitchell Products. Thx. Yates? Every time I put a bigger carb on it, it ran faster. First of all. This particular evaluation only works, however, if lowest cost is the highest priority. Had to mill out some (- one hour with a Dremel), to get my stock distributor clamp to fit. 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. unfortunately I missed the return window due to illness. Better than fighting with iron cylinder heads. PRO1 170 Ford Tech Sheet - H30. Not even close to what I thought I should be getting in a brand new set of heads. The cam featured 290 degrees duration and .477 in (12.1 mm) of lift. Typical rebuild, headers, Competition solid lifter cam, 1.73 Crane roller rockers. These elements made the BOSS 302 a unique mill compared to what the rest of Detroit had to offer at the time. 1/23 . Won't work with the 289 stroke. 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! Said to be "overvalved" for street performance. BluePrint Engines stand in front of the class, offering both performance and cost-conscious enthusiasts a powerful alternativeMuscle Series cylinder heads. The runners are as cast and a bit rough. Intake - 2.19 inches Other than this the heads flow nicely on the street. legend . The 300 block may have a slightly taller deck height than the 240. 58 cc Chamber. Plus, they give you more power behind the wheel and in your wallet! The spark plugs are also positioned well, and I cant foresee any interference with any headers. Production casting part numbers: Where in the world did you come up with the "347s are not reliable"?. Experimental Boss 302 style heads . The Mustang 5.0L Coyote engine has evolved into the Boss 302, VooDoo 5.2L, and the Predator 5.2L. Nevertheless, for a street engine, this head delivers excellent midrange power. We got our answer. They still have classes? . Edelbrock E-Street cylinder heads are just the ticket. You can see how the valves are canted in this picture. This could easily cause a hot edge and create premature detonation of the charge. The Boss 302 and 351C-4V head casting are the same except for a minor difference in water passages. Cylinder Head. 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 Edelbrock Flathead Cylinder Head is made of A356 aluminum T-6 tempered cylinder head. Huge difference in quality. As I recall from articles way back, this is an expensive process. Not to mention the 50lbs you lose off the front. There was also drill flash from the machining of the bores for the valve guides and spark plugs. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. I have used them for over 35 years and never seen something like this. World contributed the lone cast-iron head to our Ford small-block test. 045. Before jumping right into the dyno numbers, we need to look at the engines backgrounds to truly understand why they were built, and why they are so equal. The 363 uses FRPP Z2 cylinder heads. The additional space improved the engine's breathing. The F code 302-2V was made from 68-73. [IMG]http://home.pacbell.net/kketell/USAFlag2.gif[/IMG][IMG]http://a8.cpimg.com/image/56/2C/8548438-4e05-00C8003F-.jpg[/IMG]. I KNOW FROM EXPERIENCE. JavaScript is disabled. All rights reserved. The Dart castings would have been the Iron Eagle versions, and the Pro Comps are affordable in aluminum. 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. . http://fordsix.com/forum/viewtopic.php?t=33048, 1971 Ford Maverick - Budget 10-Second Turbocharged Maverick Coupe - Car Craft Magazine. D. Hearne is on the money as usual. $ 5,595.00 Learn More. The heads offered an excellent midrange power curve, behind only the Twisted Wedge casting between 4,000 and 5,500 rpm. 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; You wont find heads of this quality at a better price anywhere. Combining with an iron block and aluminum heads, the 4.0L SOHC V6, made a substantial amount of more power than its predecessor, producing 210 horsepower at 5,250 RPM and 240 lb/ft of torque at 3,250 RPM. Both engines feature a four-inch bore and three-inch stroke, so there are no excuses available for either side regarding minor discrepancies in displacement. We should also mention that although we didn't test a stock iron casting, it should be clear that even the heads on the lower end of our test would still be an improvement over stock factory castings. Greg has spent eighteen years and counting in automotive publishing, with most of his work having a very technical focus. 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. Small Block Ford. The real question is, what do these factory motors make, and how do they compare to each other?. Cover Autolite 4V casting D0ZX9B48-3 . D1ZE service block and aluminum rods. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I think that a race head is available through someone that is all aluminum. Great top end with these heads also. ONE WAS OFF BY. No drilling is required since it appears they updated the manufacturing process to eliminate this need. Tech-Sheet. Small block Ford PRO1 20 170cc Aluminum cylinder heads feature high flowing as cast ports with profiled valve guide bosses and are bowl blended on 5-axis CNC machining centers. Expensive mistake. . The TFS heads appeared to be the big dog in the room when it came time for testing. Well I have a 1977 copy of Pop. However, there are a few notable differences between the Coyote in the F-150 and the Coyote in the Mustang. Stroke that thing. Not too much carb for this engine. 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. 289 & 302 (Except Boss 302), Dual Plane [Natural] (27) $207.99. 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. 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. The cylinder head is bolted to the engine block and sits above the pistons. 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. They have cast iron seats and guides (titanium valve compatible) and are set up for studs and guide plates. We started FORD Drag Club at Horn-Williams Ford in Dallas,Tx. It was what the SCCA mandated for street homologation. And like the others mention, it was C.J. I am through with their products. 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. 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 . Will these heads work well?. So Im into changing springs, retainers, locators, etc. The GT-40 cylinder head was produced in cast iron and aluminum, available from Ford Motorsport SVO and Ford Racing.
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boss 302 aluminum heads