Wait 1.6 rockers? It collects next to nothing. Our test heads came with the larger intakes that clearly contributed to these heads' strong showing. FORD 5.0L/302 Cylinder Heads. The holes are also there in a 350 block and Felpro gasket as well as the 5073 head. 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. The odds of you building a vintage Ford BOSS 302 engine are slim because Ford built so few and so many are already spoken for. Where in the world did you come up with the "347s are not reliable"?. Since the Windsor block was already a thing, the Blue Oval team decided to fit a set of Cleveland style heads to the short-block and create the Boss 302. What? Edelbrock heads are available in two different versions, with either 1.94- or 2.02-inch intake valves. I am running them on a 302 and purchased this set for a 351 build. 045. Speedway and Try-State Cylinder heads both stand behind this product. Im just hoping the new Edelbrock intake that arrived yesterday is better than these. 040 roller short block A little lope at idle but it pulls everywhere in the rpm range. The holes are just big enough for the spark plug socket, which guides it in perfectly. Dimensions in Inches (LxWxH): 24.1 x 24.1 x 8.7. BluePrint Engines Ford 302 C.I.D. Reworking Cleveland heads I think would require reducing the size of some of the water passages and I unsure of the block clearance . one of the hotrod magazines did an article on the combo back in the 70's. They pull much harder through the midrange than the 351W heads they replaced on my 302 Ford. The store will not work correctly in the case when cookies are disabled. Cleveland's Crown Jewel. That tradition dates back to the companys founding in 1903. For high-performance's street and competition, our dual-plane design makes outstanding power from 1500 to 6500 rpm. I am through with their products. 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! Throw a blue oval flag over the RHS, Edelbrock, and Ford heads, and the performance is very similar. Because of the pent-roof design of the heads, the Boss also had forged pop-up pistons to achieve the desired 10.5:1 compression ratio. Think of Ford as a free-spirited car company with a rich history, driven by ego, that took big risks much as it is doing today with electric vehicles. On episode 19 of Engine Masters, David Freiburger explains cam lift, duration, lobe separation angle, and installed centerline. The runners are as cast and a bit rough. disappointed discovering this situation. Peak power was good, at 349 hp, and torque is also reasonable. Inline and < 15* valve angle such as World Products Man O' War 10* heads promote very good performance. The Ford Racing X307 head is not the casting that comes on the Boss 302 crate engine, but its affordable price made it a natural choice for this test. It was the most expensive of all the heads we tested. 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 0.480-inch lift B303 hydraulic roller cam, and 9.0:1 compression. Well I have a 1977 copy of Pop. I had 90 runs on an original Boss 302 in a 70 Mustang. That was a surprise.. For use only with Special heads . saw a pair of Boss 302 heads online for $400 and thought why not. 22-25 Ft/Lbs - Iron Heads. For use on pre-pollution controlled vehicles only. These heads use the same valves, valve springs, retainers, and 7/16 in. 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. Exhaust - 1.72 inches. Boss 302. 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 . Enter Fords development of an all-new 351ci engine with poly-angle valve heads and tight-fisted wedge heads destined for a 1970 introduction. They dropped off after that. The Boss was topped off with an original aluminum. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Great bang for your buck with these heads. We started FORD Drag Club at Horn-Williams Ford in Dallas,Tx. You would need a Boss 302 manifold for the intake. Do the torque in 2 steps, first just hand tight, second with the torque wrench. I personally dont think a prospective buyer should have to learn about this issue by reading reviews. 20 Best Cycling Shorts For Long Distance (2023 Updated), 20 Best Cylinder Lock For Storage Unit (2023 Updated), 20 Best Treats For Guinea Pigs (2023 Updated), 20 Best Treats For Goldendoodle Puppy (2023 Updated), 20 Best Treats For Golden Retrievers (2023 Updated), 20 Best Treats For German Shepherd (2023 Updated), 1953 Ford Customline 8 Cylinders 3.9L 2BL. He used a correct Duntov camshaft and set the lash a little tighter than the original spec, at .020-inch. In the 1960s, Ford was an outspoken car company, much as Pontiac Division was within General Motors. 58 cc Chamber. After idling for a couple of minutes the engine will start smoking horribly. 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. Turbo 300-inch Ford can bang off 10.90s at 120 mph. Fig. 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/. Fords great success with its powerful V8 engines is legendary. Compatible with Chevy Small Block 302/327/350/383/400 SBC 200cc Intake 68cc Angled Plug Aluminum Bare Cylinder Head $238.88 $ 238 . i drank a bottle of 10,000 rpm and thode a rod !!! 289 & 302 (Except Boss 302), Dual Plane [Natural] (27) $207.99. Ford has always been a car company that dared to go where no automaker had ever gone before. 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. Like we said, if best power or least price is your only concern, then the decision is easy. That means 305 maximum cubic inches. (BOSS) Evidently youre research people are either misinformed, or just dont really care about building anything ford. Jeff Speegle Come see us @ ConcoursMustang.com MCA Shelby Judge, SAAC & Team Shelby Judge (in no particular order . 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. A forum community dedicated to hot rod owners and enthusiasts. Not to mention the 50lbs you lose off the front. So, instead, they ran a simple 750cfm Holley carburetor, along with 1-3/4-inch dyno headers. The 240 and 300 are basically the same engine -- based on the same block design anyway. First of all. 8:1 compression, TFS Stage 1 hydraulic roller cam, 1 5/8 headers, Summit Stage 1 dual plane intake, Edelbrock 650 AVS carb. Finding a Street Boss intake likely wouldn't be too difficult as multiple manufacturers have cranked them out over the years. Save my name, email, and website in this browser for the next time I comment. You will certainly feel that in the car. 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. My first work Dell was super slow and sluggish, so I was sent a new one. I have a Eldabrock Performer intake,msd distributor and 6al box and a 61mm bbk throttle body. However, there are a few notable differences between the Coyote in the F-150 and the Coyote in the Mustang. THe new heads will have the same bolt-pattern as the original 6. THAT IS UNACCEPTABLE IN MY BOOK. 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The .10 difference in bore spacing( but the bolt pattern is the same square four as the smallblock) makes me think 3. The Fora platform includes forum software by XenForo. on a brand new set of heads. BOSS Cars Nationals 2005 - BOSS Cars Reunited. If it is, then you know what you need to do. 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. To clear up a few questions, the combustion chambers are 60cc, not 64cc. When you do that, you can see that the TFS head did substantially better than all the other heads above about 4,400 rpm. Peak power numbers are always fun to throw around, but car-crafters are also very astute at determining what all that power will cost. We'll send you raw engine tech articles, news, features, and videos every week from EngineLabs. The Fora platform includes forum software by XenForo. The GT-40 cylinder head was produced in cast iron and aluminum, available from Ford Motorsport SVO and Ford Racing. 010 runout and wouldnt come out of the head without a lot of force (we never took it out). 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 . 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 NOS 1969 1970 Mustang Boss 302 speedometer. Bought these and compared to the other (PC). Flashing in ports was unacceptable. 1/23 . 154-4207: Ford Racing Aluminum Valve Covers, Part # M-6582-Z351, SS, 12pt . This is my first engine build, let me know if Im doing it all wrong. 1969 mustang fastback boss 429 351 race car front end. The intake ports flow 382 cfm at .750-inch of lift. Boss 302 heads are unique.No other heads will work without some changes. These features improve an engines efficiency, resulting in more horsepower and torque and improved mileage potential. This makes it easy to torque and lower cost for better aftermaket bolts and studs. Thanks to all who helped us get here. The head bolts used on a Boss 302 were a flanged-style head bolt. Needless to say they began to really spank everybody and by the end of the season the six cylinders were out ruled. Install the gaskets with the raised seal towards the head and it will fit the ports much better. For Use w/289/302/351 Windsor-Style Engines. 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. The heads are a direct replacement for previous Twisted Wedge heads and work with all Twisted Wedge specific pistons. 1.90/1.60 in Valves. Don't know if it's still good. 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. See it here: yes its ben done. 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. Henry Ford II wasnt going to have it any other way. stud kit is of poor quality everything else in my order was good quality. One thing I found particularly awesome about these heads is the spark plug holes and threads. But, I just came across this website and happened to ask about B. Sizemor's 6. Once I pick the heads I was going to find a good cam for daily driving/ performance. I was wondering how these heads would work on my 97 5. Cast aluminum block and heads: Intake Manifold: Composite Boss 302 Specific with shell-welded and runner pack: Exhaust Manifold: Tubular . LOOKS AND PERFORMED GREAT. 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. Weve got 302 fords with gt40 3 bar heads making over 500 hp. extreme amount of burrs left all around the rocker shaft mounting pads. Pair. 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. AIR FLOW RESEARCH 1402 SBF 165cc Alum Heads Renegade Street 58cc. crank, offset-grinding it to a smaller crankpin diam. Its all a win,win. Same transmission, run a 351W flywheel/flexplate (same as a C). The intake is off a 1965 Shellby. 64cc Volume. The heads are awesome and fit great! For the testing, Holdener put together a non-numbers matching replica of the DZ 302. It was 351C heads, 3 of them, cut up into 6 pieces, then furnanced blazed. we all have our shortcomings. Buy It Now +C $186.98 shipping estimate. See all 22 photos. If ultimate power is not the most important point, then you could easily choose any of these heads and make a good decision. Both had dual-plane high-rise intakes and big Holley carbs. Even the stock cam should peek higher than 5500 rpm. There was dust and paper bits all over the keyboard and screen!! As fitted to the Boss, the heads feature steel spring seats, screw-in rocker studs, pushrod guide plates, and adjustable rocker arms. Comparing the cylinder heads on paper, using data collected by Holdener for a previous article, the Boss heads clearly come out ahead. I HAD TO CHANGE OUT THE SPRINGS FOR ONES WITH MORE PRESSURE DUE TO VALVE FLOAT AND I AM ONLY RUNNING AN E303 CAM. Above you see a casting with a D1ZE part number. These are certainly worthy of attention at this excellent price. Hack said: The size of 302 valves has varied a little in some performance versions over the years. $ 5,595.00 Learn More. This minor tune-up would really improve the flow curve and add a measurable amount of torque. The TFS heads appeared to be the big dog in the room when it came time for testing. This is where you must spend the money. 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. FORD MUSTANG 302 CYLINDER HEADS Pre-Owned $177.50 classicautoresto (4,195) 100% or Best Offer +$199.05 shipping Sponsored ARP 154-4206 Black Ford New Boss 302 w/351C heads 12pt hsk In Stock Ready to Ship Best Deals Fast Shipping Brand New $250.99 partshawk (68,956) 99% List price: $367.99 32% off Buy It Now Free 4 day shipping Sponsored The BOSS 302s biggest shortcoming is port sizing, which is something Ford has rarely been able to get right. Did you get them at a Chevy garage sale? Moving to the Blue Oval, we see that they went with a milder profile. D. Hearne is on the money as usual. 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 ported and polished heads can also provide good results, but they may require more work to install and tune properly. were designed to be 1-for-1 replacements for Boss 351 cylinder heads. 70 Boss 302 intake 2.19 / exhaust 1.71. What cam specs and static CR? Heads are sold individually. True but it seems excessive to me. I have certificate for it. 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. They are very capable iron heads. The Chevrolet used a 1.50:1 rocker, while on the Cleveland head, they used a 1.73 ratio. SBF FORD Aluminum Cylinder Heads 302 /351w 190cc 62cc 2.02 /1.60 For ROLLER CAM. detroit metro auto parts "302" - craigslist . Aluminum. Those of you who understand the BOSS 302 know Ford fitted these engines with a 780 cfm Holley but not necessarily because thats what they needed. Experimental Boss 302 style heads . 165 cc Intake. ), then the second-least-expensive headsthe Edelbrock E-Street headsreally begin to stand out. The DZ 302 used a 1.5:0 ratio, while the Boss 302 head used a larger 1.72:1 ratio. 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. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. 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. These are perfect for the low compression big blocks of the mid to late 70s. If youre using stock pistons, get the version of these heads with the smaller intake valves (Part #5023). 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. Australian car enthusiast with 30 years experience in the high performance industry. Index your plugs on these engines. You may also cruise the online auctions for a vintage 5.0L roller block (F1AZ-6010-B). I am presently installing a 302 clevor into a 83 mustang GT. they mandated a 5.0-liter displacement limit. Cast from prime A356 T6 aluminum, these "Z" heads from Ford Racing were designed using solid modeling technology. 45 degree spark plug wires work great with these heads. Nevertheless, for a street engine, this head delivers excellent midrange power. Better compression then stock, better breathing then stock. TRW developed these pistons and suppled Ford with them for both racing and production engines. 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. 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 could easily cause a hot edge and create premature detonation of the charge. These features improve an engines efficiency, resulting in more horsepower and torque and improved mileage potential. Enzo Ferrari, and others, were handed their backsides. 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. Both 1969 and 1970 302 BOSS engines will run great with a properly tuned 750 Holley. 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 . Cylinder Head. If I wasnt on a time crunch, I would have returned these heads. 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. 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;