Yes you can bolt the 351C heads to a 289/302/351W block. Ports 2.38" x 1.68" C9ZZ-9424-C. C9ZE-9425-A . I SENT THEM RIGHT BACK. Budget iron can run $1195.00 for an easy 500 + hp but any more needs more valve area. Dells are ok computers. I assumed thats how they went and I also used the end seals. But, I just came across this website and happened to ask about B. Sizemor's 6. The BOSS piston was a unique item, configured to use the 289HP rod with the 302 stroke. Low mileage 440 from an RV, Hughes Whiplash cam and lifters, E-Street heads and RPM intake topped with a Quick Fuel Brawler 850 double pumper. The J code 302-4V was only made in 68. And really, its a difference in the philosophy behind these two motors. Was running 850 dbl pump Holley with 4:56 gears, and I was running 12:20s at over 112 mph in the quarter. They feature high-flow ports and steel alloy intake and exhaust valve seats installed (they do require a competition valve job and bowl blending). It had to sneak the GTO in under the radar of upper management. 351C 4V heads (same as Boss 302 heads except where the water exits the head) are really overkill a street motor. saw a pair of Boss 302 heads online for $400 and thought why not. 302/351 X2 Head. Henry Ford II wasnt going to have it any other way. Back in the day, there was all kinds of speculation that they made more than 400 horsepower. 2/22 . Very nice , Made in USA quality and same price as off shore heads. Valves 2.02 / 1.55" . This combo has been dynod at 460-ish hp at 5000 rpm and 550 ft lbs of torque at 2000 rpm. There is a lot he did to this engine, if you're interested but he kept the orig. I personally know several guys with Boss 302s that have been secretly stroked to 347. it still has the vista 7 sticker on the palm rest area. . These heads use the same valves, valve springs, retainers, and 7/16 in. 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. That would probably have been the only intake available to work , at that time. The Cleveland style head featured a staggered, canted valve arrangement. For a better experience, please enable JavaScript in your browser before proceeding. 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. I used them with a Comp Cams 274XE cam and a QFT 600cfm carb. These features improve an engines efficiency, resulting in more horsepower and torque and improved mileage potential. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Can you further help me with where to buy this? These lightweight aluminum heads bolt up to your small block Ford and feature 190cc intake/60cc exhaust runners, 60cc combustion chambers, and 2. Fits on Dodge ramcharger, monaco, w100 series, sierra, pioneer, d300 pickup, d100 series, custom. Boss 302. Part of the difference in valve lift numbers between the two is the rocker arm ratios used from the factory. That puts lift over .500 inch .514 according to our calculations, minus the lash, Holdener reveals. Chevy used higher compression and lots of camshaft, combined with mild cylinder heads. ), then the second-least-expensive headsthe Edelbrock E-Street headsreally begin to stand out. Well I have a 1977 copy of Pop. It was a world beater and symbolic of the end of the classic muscle car era. The DZ 302 used a 1.5:0 ratio, while the Boss 302 head used a larger 1.72:1 ratio. Edelbrock E-Street cylinder heads are just the ticket. Combined with the big bore and short stroke, everyone thought these things wanna rev. The reality is that the head flow and dual-plane intake really limited the RPM.. would love to return this old jalopy back!!!. Moving to the Blue Oval, we see that they went with a milder profile. [The Boss] cylinder head came about after Fords experience with the tunnel port cylinder head where they learned lots of head flow equals lots of power, Holdener relates. I am through with their products. This minor tune-up would really improve the flow curve and add a measurable amount of torque. 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 . The Fora platform includes forum software by XenForo. for use w/ Special Intake. I would suggest pulling the vavles and wiping everything down. Edelbrock Performance Cylinder heads are manufactured of A356 aluminum and made in the USA for AMC, Buick, Chevy, Chrysler, Ford, Oldsmobile, & Pontiac engines. As fitted to the Boss, the heads feature steel spring seats, screw-in rocker studs, pushrod guide plates, and adjustable rocker arms. The product is a great entry level/cheap head though so 5 stars! Hate to tell you this but a BOSS 302 has Cleveland type heads. So your wrong. If I wasnt on a time crunch, I would have returned these heads. 1970 - D0ZE-6090-A or B. Needless to say the head kicked ***. When the SCCA started the Trans-Am series. The 4-bolt caps can be seen here. stud-mounted roller rockers as the current Ford Racing 429 Cobra Jet heads, and the standard Cobra Jet intake and exhaust manifolds bolt right on. 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. can I send the stud kit back? Bought these and compared to the other (PC). very poorly packaged, opened it and there was no screen protection sheet between screen and keyboard. Ford 302 351C Cleveland 220cc 64cc Hydraulic Flat Assembled Cylinder Heads AT RACING WORLD, 5 Million Orders Shipped Worldwide Brand New $1,475.00 Seller: atracingworld-usa (83,202) 97.7% Buy It Now Free shipping 52 watchers Sponsored Ford 351 Cleveland 4V 254cc 64cc Cast Iron Bare Cylinder Head Brand New 1 product rating $587.80 . The winner in this evaluation is almost always the least-expensive head just because of the way the math formula works. 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. 302 (may have been used on late 68 model year) 4V . [IMG]http://home.pacbell.net/kketell/USAFlag2.gif[/IMG][IMG]http://a8.cpimg.com/image/56/2C/8548438-4e05-00C8003F-.jpg[/IMG]. These are perfect for their intended use, the street. 300 HP wouldn't be far off. reading. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. 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. edelbrock. edelbrocks were my first finned aluminum heads for a flathead25 years agoand they were o. k. for a 239 or a 255, due to small combustion chambers. 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. They are also cast with combustion On episode 19 of Engine Masters, David Freiburger explains cam lift, duration, lobe separation angle, and installed centerline. Always interested in how things work, he enjoys sharing his passion for automotive technology with the reader. 0:1 on blocks with a 3/16 base relief (stock bore and stroke). pulled heads out of box, one head was in very nice shape, ready for service. A factory high-rise dual-plane intake manifold was used, with one part not period-correct. There was also drill flash from the machining of the bores for the valve guides and spark plugs. However, there are a few notable differences between the Coyote in the F-150 and the Coyote in the Mustang. unfortunately I missed the return window due to illness. As you can see from these numbers, the Cleveland-style Boss 302 cylinder heads offer significantly more airflow at each valve opening point over the DZ 302's fuelie heads. Dimensions in Inches (LxWxH): 24.1 x 24.1 x 8.7. The spark plugs are also positioned well, and I cant foresee any interference with any headers. Ah now Plummer - it's not a secret if you post it on VMF! If it is, then you know what you need to do. But there is absolutely something else wrong. Boss 302 heads are unique.No other heads will work without some changes. All in all, Im not a fan of this series from Dell. 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. My first work Dell was super slow and sluggish, so I was sent a new one. I have used them for over 35 years and never seen something like this. Years ago there was a six cylinder weight break for the late model classes at one of the local dirt tracks that I would frequent. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4 reach with flat gasket seat. If ultimate power is not the most important point, then you could easily choose any of these heads and make a good decision. For use on pre-pollution controlled vehicles only. A stock Boss head will support way over 500 horsepower, where the Chevy will struggle at 400 horsepower. Luckily I had the tools to put them back on but this could have been a issue and made them not bolt on heads. 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. 010 runout and wouldnt come out of the head without a lot of force (we never took it out). The Dart castings would have been the Iron Eagle versions, and the Pro Comps are affordable in aluminum. 58 cc Chamber. I was actually pleasantly surprised at the swirl polished valves and the large spring pockets for if you want to run larger springs with a monster cam! There are many different types of cylinder heads for Ford 302 engines, so it is difficult to make a definitive conclusion about them. Purchased a long block on CL. It was what the SCCA mandated for street homologation. After the engine is warmed up to its proper operating temperature range, you must go back and reset all the valves to the proper "hot" valve lash settings. In my 70 years of fooling with cars, we always had a formula. Build your own custom newsletter with the content you love from EngineLabs, directly to your inbox, absolutely FREE! BOSS Cars Nationals 2005 - BOSS Cars Reunited. Batten cyl heads was instrumental in developing the high port exhaust for the Dyno Dons and Bob G's and Jack Roushes. Buy It Now +C $186.98 shipping estimate. It features a forged dome piston to bring compression up to the original 11.0:1 compression ratio with the 64cc 186 casting fuelie heads. Cylinder Head. 1.290 in Spring. And like the others mention, it was C.J. Your email address will not be published. 546hp @5600 rpm also had 630 ft-lbs torq@ 4400 rpm. I was going to have my reconnecting rods reconditioned with 5/16 arp bolts. ENGINE BLOCKS . The BOSS head was functionally identical to the 351C 4V head. 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. Does any 351 Cleveland head fit it? While the DZ 302 had a stronger midrange than the Boss 302, in stock form, the Boss reigns supreme in the higher RPM range. 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. 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.. 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. I think the higher RPM one had larger valvesand ports, right? The 68 F code had 10:1 compression and made 210 bhp. high power capabilities. The RHS headsproduced the next-closest average horsepower and torque, with the Edelbrock and Ford heads very close behind. Will these heads work well?. The heads were to big for a 351CLEVELAND. These Ford heads tied with the Edelbrock heads for third place in average torque and were extremely close to the RHS head's second-place power level. 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! 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. You are better off buying model 5023 with 1. 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! Renegade Street. This is my first engine build, let me know if Im doing it all wrong. It will have screw-in core plugs and a four-bolt main block if it is a Boss 302. Because they didnt allow destroking [of an existing engine design] initially, both companies had to build actual displacements of five liters, explains Holdener. Ford's legendary racebred Boss 302 engine remains one of the most significant high-performance power plants in the company's history. 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. But as we've seen before, the heads that produce the best peak power also tend to do so throughout the entire rpm band. They dont flow as well as some of the more expensive options available but they flow way better than OEM cast iron heads. Sign up for a free trial to MotorTrend+ today. When you do that, you can see that the TFS head did substantially better than all the other heads above about 4,400 rpm. Plus we used cam dial-in and it was only off a half degree. Index your plugs on these engines. This 302 was in a F250 so I have to find the proper oil pan to fit the 83 foxbody, and proper fit for the oil dipstick entering the oil pan. We apologize for the inconvenience 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. Im trying to leave this pretty much as is, until I get a few good drives in. And you'd have to replace the factory two-piece valves which are known to come apart randomly for no reason. Every time I put a bigger carb on it, it ran faster. I thought the bolt pattern was the same, that is what helped to make the swap work. Prices listed are from the story's original publish date, February 1, 2013. Well, I got about 500 miles on the engine now and couldnt be happier about the build. Stroke that thing. The Mustang 5.0L Coyote engine has evolved into the Boss 302, VooDoo 5.2L, and the Predator 5.2L. Absolutely no complaints, tons of flow and tons of fun. There is no flat spot and these engines will pull from 2000 against any rival including a Windsor. It took about 500 honest HP to break into the 11s with a little bit heavier car than your mustang. 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/. Twisted Wedge and Canted valve (TFS and C302b) in aluminum promote even better performance. The E-street came in second in peak horsepower and a very close third in average horsepower and torque. This is where you must spend the money. The connecting rods and crankshaft are made of forged steel, and the heads are aluminum with roller rocker arms. 2023 Power Automedia. 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. writing. While the tunnel port wasnt a complete success, thats how the Boss heads came to be. 18 Ft/Lbs - Aluminum Heads. 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). 154-4207: Ford Racing Aluminum Valve Covers, Part # M-6582-Z351, SS, 12pt . Ford New Boss 302 w/351C HDS Hex Head Stud Kit. I have certificate for it. Would it mess with the computer really bad. Needless to say they began to really spank everybody and by the end of the season the six cylinders were out ruled. 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. IF YOU DO THIS BE SURE TO USE PERMATEX #2 ON THE INTAKE STUDS. THE NEXT ISSUE WAS VALVE SPRING INSTALL HEIGHT. While it only had .480-inch of lift, that duration would really allow the RPM to climb. 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. Having a hard time finding Boss 302 Heads online? All rights reserved. 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 . Experimental Boss 302 style heads . 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. Im just hoping the new Edelbrock intake that arrived yesterday is better than these. Raced and owned quite a few Boss 302s. 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. Our test heads came with the larger intakes that clearly contributed to these heads' strong showing. These heads feature A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. 040 roller short block A little lope at idle but it pulls everywhere in the rpm range. 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 intake is off a 1965 Shellby. GT40 heads use 1.84 intake / 1.54 exhaust. I simply cant believe this is all youve got. I personally dont think a prospective buyer should have to learn about this issue by reading reviews. Keep the RPMs under 5,500 and valve lift is more like. Neither was really that streetable but of the two the 70 had the smaller valves whick helped a little with the low rpm feel. More than 400 horses easy. If I were to shop for a personal laptop, Id never consider this laptop based purely on what it looks like. 70 Boss 302 intake 2.19 / exhaust 1.71. 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.
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