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. writing. BluePrint Engines Ford 302 C.I.D. 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. There are plenty of them lying around used and new-old-stock. 1 on Pg 2 instructs the used to drill 3 holes if a 400 block is used. Have you got the intake? Combine Edelbrock quality with excellent power and a highly competitive price, and the E-Street Edelbrock heads strike us as an excellent choice. This combo has been dynod at 460-ish hp at 5000 rpm and 550 ft lbs of torque at 2000 rpm. The heads alone are excellent fit and quality. for use w/ Special Intake. But for perhaps a majority of enthusiasts, this evaluation may be too simplistic. 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. Because they didnt allow destroking [of an existing engine design] initially, both companies had to build actual displacements of five liters, explains Holdener. However, Ford already had that architecture in its lineup, while Chevrolet did not. 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. 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 . 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. 125 of silicone is likely to blow out. That may or may not make your ultimate choice any easier, but if so, you can thank us later. I really liked my 69 428 CJ. 1.290 in Spring. He used a correct Duntov camshaft and set the lash a little tighter than the original spec, at .020-inch. Edelbrock E-Street cylinder heads are just the ticket. Aluminum will allow you 1pt up in compression for its ability to shed heat. THAT IS UNACCEPTABLE IN MY BOOK. 188cc Intake/63cc Exhaust Port Volume. Actually, everything about these heads helps the little 302. 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. 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. Can you further help me with where to buy this? 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. I recommend purchasing ARP studs and guideplates for perfect rocker alignment. Ah now Plummer - it's not a secret if you post it on VMF! I would however like to be able to buy a set of heads and not have to go through them like I had to with these. Renegade Street. 1970
Better compression then stock, better breathing then stock. The BOSS 302 heads are known as "Cleveland style" heads as they are based on the head designed for the 351 Cleveland engine. 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. 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. Absolutely no complaints, tons of flow and tons of fun. This is my first engine build, let me know if Im doing it all wrong. Factory was1.73 IIRC. ONE WAS OFF BY. Remember this correction adjustment is approximate and is only meant to get you close for the initial start up of the engine. He stated he spent over $10,000 back then. This conversion was well documented and fairly popular when aftermarket heads were not available. 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. but thesell work on a large engine and flow, too. . . Fords great success with its powerful V8 engines is legendary. These heads are always perfect, but could use a little bowl work thanks team SUMMIT. 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. These heads feature A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. I also figured that the DZ 302s smaller heads, with better port velocity and more compression, would make more peak torque. One side opted for mild lift and more duration, and the other went for more lift and milder duration. Today's small-block Ford street engine builder has it easy. All in all, Im not a fan of this series from Dell. Would it mess with the computer really bad. It's important to note that this was the only head in our test that required its own separate valvetrain. Get big power on a small budget with BluePrint Muscle Series cylinder heads! This could easily cause a hot edge and create premature detonation of the charge. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4 reach with flat gasket seat. 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. loading. 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. The BOSS 302 Registry is not affiliated with the Ford Motor Company. 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. The heads are Cleveland heads. Exhaust - 1.72 inches. Looking at the graph, it looks like the DZ 302 actually outperforms the Boss 302 from 3,700 rpm until 5,800rpm. JavaScript is disabled. Both had dual-plane high-rise intakes and big Holley carbs. I personally know several guys with Boss 302s that have been secretly stroked to 347. unfortunately I missed the return window due to illness. Our test heads came with the larger intakes that clearly contributed to these heads' strong showing. Ultimately, the best cylinder head for your Ford 302 will depend on your specific goals and needs. The Duntov cam that GM used in the DZ 302 had over 250 degrees of duration at .050 [inch]! Holdener explains. These lightweight aluminum heads bolt up to your small block Ford and feature 190cc intake/60cc exhaust runners, 60cc combustion chambers, and 2. 2.02/1.60 in Valves. 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 TFS heads appeared to be the big dog in the room when it came time for testing. 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. This engine was built in the 80s by someone with way to much money. Help keep from being nose heavy. True but it seems excessive to me. These heads are really impressive!!!!!! 8l F250hd efi roller engine? Due to the larger Cleveland-style heads, the Boss 302 weighs somewhat more than the normal 302, tipping the scales at 500 lbs. . 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. Save my name, email, and website in this browser for the next time I comment. I would suggest pulling the vavles and wiping everything down. [IMG]http://www.dslextreme.com/users/jbooth/sidenew1.jpg[/IMG][IMG]http://www.dslextreme.com/users/jbooth/enginenew1.jpg[/IMG]. Not true! Does anyone remember the six cylinder heads they made for Bruce Sizemore. I was building that garbage in 2nd grade. Street 512 Mopar motor in a Dodge Dart . For use on pre-pollution controlled vehicles only. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I understand why now they are so much more money! Very limited suppliers of flathead parts always look to speedway for my hotrod items. 185 cc Intake. 040 roller short block A little lope at idle but it pulls everywhere in the rpm range. Plus, they give you more power behind the wheel and in your wallet! Tell ya what ,leave the ford enginrs to the ford guys, and you keep playing with that some ole cookie cutter bowtie garbage youre so used to. Cast from prime A356 T6 aluminum, these "Z" heads from Ford Racing were designed using solid modeling technology. The BOSS 302s biggest shortcoming is port sizing, which is something Ford has rarely been able to get right. Edlebrock is one of the few companies making great performance parts for small block Fords. The wide and large port heads with staggered valve placement give the 302 H.O. I HAD TO CHANGE OUT THE SPRINGS FOR ONES WITH MORE PRESSURE DUE TO VALVE FLOAT AND I AM ONLY RUNNING AN E303 CAM. Flat cylinder heads have large water capacity and excellent breathing characteristics. 1970 Intake - 2.19 inches Exhaust - 1.72 inches. Next, we test a low-rpm cam and a high-rpm cam in the same engine to demonstrate the power differences. Currently working on a 1970 Mach 1 project. 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. 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. 2. No more dyno there. You MUST flycut the valve reliefs on the pistons larger if using stock pistons. The advantage was better flow because the intake was on one side and the exhaust was on the other. 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. 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. You will need the boss piston to go with the canted valves.. No. Ive built 302/347 engines with stock heads, Roush180/Windsor Jr. , and Trick Flow Twisted Wedge heads. Aluminum heads are affordable, lighter and will make more power. Boss 302 blocks are used all the time for Windsor headed performance buildups! Assembled. Peak power numbers are always fun to throw around, but car-crafters are also very astute at determining what all that power will cost. They use a Cleveland style quench chamber and standard 302 Boss/351 Boss/351C/351 SVO valve train parts (will accept 2.19"/1.71" valves). 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. Be the first to rate this post. Building LS garbage? The Tech was nonchalant about this and stated these are a lower end part. 165 cc Intake. The 306-horse 289 cubic inch High Performance small-block V-8 in Shelby GT350s took on Corvette and the rest and managed to spank Americas sports car in SCCA competition. Maximum output for less money!. The GT-40 cylinder head was produced in cast iron and aluminum, available from Ford Motorsport SVO and Ford Racing. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! The Boss 302 and 351C-4V head casting are the same except for a minor difference in water passages. What looks like parting lines are huge in some places, one exh runner has a stick of Aluminum protruding into the runner (pic 1). 0:1 on blocks with a 3/16 base relief (stock bore and stroke). They will outperform many of the average aluminum heads. I assumed thats how they went and I also used the end seals. Cylinder heads are available fully assembled or as bare castings. Your email address will not be published. . We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. very poorly packaged, opened it and there was no screen protection sheet between screen and keyboard. 1.290 in Spring. legend . Once I pick the heads I was going to find a good cam for daily driving/ performance. $1,692.99. Well I have a 1977 copy of Pop. However, this time it boasted 412 Horsepower and 390 lb-ft Torque! Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! 035 (which I am using). E7 heads use 1.78 / 1.48 just like the 60s stuff. These elements made the BOSS 302 a unique mill compared to what the rest of Detroit had to offer at the time. This page last updated: February 3, 2022. The results of this test didnt really surprise me, except for one thing, reveals Holdener. Ford New Boss 302 w/351C HDS Hex Head Stud Kit. The RHS heads come out of the box with a very nice-looking casting, and back that image up with respectable performance. The recommended spark plug for your typical application is the Champion 792 plug, gapped at. While the DZ 302 had a stronger midrange than the Boss 302, in stock form, the Boss reigns supreme in the higher RPM range. They are rugged and ribbed internally and externally for more strength. Peak power was good, at 349 hp, and torque is also reasonable. I am presently installing a 302 clevor into a 83 mustang GT. Ford has always been a car company that dared to go where no automaker had ever gone before. 1-330-630-1555 1-888-841-6556. . The Edelbrock #5073 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. Well, I got about 500 miles on the engine now and couldnt be happier about the build. 500 max! The supply chain issues are eliminating a lot of choices. Our FDC has over 150 racing members and FORD promised us Hubert Platts Drag Mustang after series which disappeared. The Ford roller rockers use a fulcrum base and a 5/16-inch bolt to attach the rockers to the head. The heads were to big for a 351CLEVELAND. stud kit is of poor quality everything else in my order was good quality. It will have screw-in core plugs and a four-bolt main block if it is a Boss 302. Feb 19, 2016. Compatible with Chevy Small Block 302/327/350/383/400 SBC 200cc Intake 68cc Angled Plug Aluminum Bare Cylinder Head $238.88 $ 238 . . Gurney Eagle : Gurney Eagle race heads : Application. 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. 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. Edelbrock E-Street cylinder heads are ideal for entry level street performance engines. Both these motors were factory-rated at the same 290 horsepower, but that number is suspect, says Holdener. It didnt conform to corporate protocol and invented the muscle car in its 1964 GTO. 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. Fits factory 1979 - 1995 Mustang oil pan with custom oil pickup tube, part number: M-6622-BOSS302 NASCAR inspired front oil feed on both lifter galleys. Great velocity with these heads. Pontiac was the outlaw division. Best for 302-351 cubic inch engines. Boss 302. We discovered this was a 1969-70 BOSS 302 head modified for use on a 351C. It came with aluminum heads that were way too big for the cam and my use. 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 . Like with standard 4V heads, you would have to machine the tops of the heads to accept screw-in, adjustable rocker studs. Truth is, a factory original Boss 302 is happiest with a 600 to 650 cfm Holley. The Edelbrock Flathead Cylinder Head is made of A356 aluminum T-6 tempered cylinder head. As far as I'm aware you only choice for factory heads in the Boss 302. However, there are a few notable differences between the Coyote in the F-150 and the Coyote in the Mustang. 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). These are perfect for a street build and the price is outstanding!!. You have to rev it to the moon to really make any power. Crate Engine, 302 C.I.D. You will certainly feel that in the car. I think Im in love, lol!!. So Im into changing springs, retainers, locators, etc. . It was what the SCCA mandated for street homologation. First of all. Dimensions in Inches (LxWxH): 24.1 x 24.1 x 8.7. 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. Chevy used higher compression and lots of camshaft, combined with mild cylinder heads. These heads feature A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. It used to be listed in the FRRP catalog. They still have classes? . I was wondering how these heads would work on my 97 5. AIR FLOW RESEARCH 1402 SBF 165cc Alum Heads Renegade Street 58cc. There was dust and paper bits all over the keyboard and screen!! 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. We'll send you raw engine tech articles, news, features, and videos every week from EngineLabs. Even the stock cam should peek higher than 5500 rpm. BOSS Cars Nationals 2005 - BOSS Cars Reunited. A factory high-rise dual-plane intake manifold was used, with one part not period-correct. Like we said, if best power or least price is your only concern, then the decision is easy. The Boss 302 takes the Mustang GT's suspension and adds higher-rate coil springs, stiffer bushings, and a larger diameter rear stabilizer bar. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Ever wonder what those camshaft specification numbers really mean and how they affect engine performance? Whenever youre running a flat tappet cam, always use a zinc additive, Building Classic Ford 351 Cleveland Power. A forum community dedicated to hot rod owners and enthusiasts. Not to mention the 50lbs you lose off the front. 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 ! When you do that, you can see that the TFS head did substantially better than all the other heads above about 4,400 rpm. See all 22 photos. The 302 has a 9:1 compression ratio, while the 347 and 363 have 9.6:1 and 10.2:1, respectively. my signature linesnot really directed at anyone in particular.. The supplied ones are generic and poor fitting. And then it's gonna be HP you'll make, not a lot of torque. The cylinder head is bolted to the engine block and sits above the pistons. Pic 2 is a spot next to a water port on the intake surface where it looks like the facing tool tilted some. My build is a 306, 9. 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. I figured the Boss would make peak power. 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. Huge difference in quality. I was still only available with the special 302ci 290 hp high output engine. I SENT THEM RIGHT BACK. Both 1969 and 1970 302 BOSS engines will run great with a properly tuned 750 Holley. 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. These aluminum heads can be directly installed on all small-block Fords: 289, 302, 351W and, with some modifications, even 351C engine blocks. one of the hotrod magazines did an article on the combo back in the 70's. THE FIRST SET I PURCHASED WERE LIKE THIS AND I INSTALLED WITHOUT CHECKING THEM. 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. Ford took on the world with the GT40 supercar. Age Group: adult. Depends on material old school rubber gets lube, the Polytetrafluoroethylene rubber gos on dry. The biggest difference between the two engines is the cylinder heads.. Neither was really that streetable but of the two the 70 had the smaller valves whick helped a little with the low rpm feel. 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. Edelbrock Performer RPM Cylinder Heads - Ford 351C Custom Camshafts, Valvetrain, Valve Springs, Push Rods, Timing Sets www.flowtechinduction.com "Generations above them were never perfect. Won't work with the 289 stroke. stock rebuild,. 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. Australian car enthusiast with 30 years experience in the high performance industry. 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. Other than that it was OK. 02 intake/1. Recently, we posted an article in which Richard Holdener dyno tested the five-liter powerhouses put out by the Blue Oval and the General in the 1980s. I called AFR about the problem and their only suggestion is to install a crankcase vacuum pump. For a better experience, please enable JavaScript in your browser before proceeding. The Fora platform includes forum software by XenForo. Great article is there a video available ? Needless to say they began to really spank everybody and by the end of the season the six cylinders were out ruled. All rights reserved. No problem coming off corners at low rpm in higher gears and the pull in the higher gears on top is amazing for what I paid for them. Using the native mouse is awkward. Whats The Reason Enthusiasts Cant Get, Quicksilvers Crate Engine Program: Past, Present, And The, PRI 2022: FuelTech Talks About The Tech Of The FT700, PRI 2022: Concept Performance Now Offers Aluminum LTR, PRI 2022: Wiseco And K1 Launch 7.3L Godzilla Rod/Piston, SEMA 2022: Hedman Shows First-Gen F-Body LT V8 Swap, SEMA 2022: Adult Legos Trick Tools Icengineworks Modeling, Full Factory Tour: How Edelbrock Makes Its Cast Aluminum, High-Performance Racing Fasteners: How ARP Fasteners Are, Ford vs Chevy Comparison Size, Weight, and HP Per, Video: How To Install COMP Cams LS Rocker Arm Trunion Upgrade, dyno tested the five-liter powerhouses put out by the Blue Oval and the General in the 1980s, A New Diesel Piston That Increases Power And Reduces Emissions, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop Shop, Video: Watching A Mechanical Fuel Injector Spray In Slow Motion, Cool Your Engine With Proforms 1-2-3 Series Radiator Systems, A Guide To Ford V8 Engine Block Casting Numbers, 1952-1996, Chevrolet Performance Releases The Impressive L8T As A Crate Engine, A Guide To Mopar V8 Cylinder Head And Block Casting Numbers, Melling Offers New Timing Kits for Ford 4.6L and 5.4L SOHC Engines. 09 of shims installed so they look good. And like the others mention, it was C.J. We apologize for the inconvenience Learn how your comment data is processed. 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. Twisted Wedge and Canted valve (TFS and C302b) in aluminum promote even better performance. The 68 F code had 10:1 compression and made 210 bhp. ENGINE BLOCKS . The real question is, what do these factory motors make, and how do they compare to each other?. Cylinder Head. We learned on the first few pulls that we had too much carburetor with our 750 cfm Holley 4160 and too little camshaft. Do the torque in 2 steps, first just hand tight, second with the torque wrench. Guys if you want to make serious power. 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 . 1970 - D0ZE-6090-A or B. THE NEXT ISSUE WAS VALVE SPRING INSTALL HEIGHT. What I got was good, but the quality control person should not have let these go out the way they are. There was also drill flash from the machining of the bores for the valve guides and spark plugs. 1.73:1 rockers, 522 lift 292 duration nets 420 HP at 6300. 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. Because the 302 Tunnel Port called for high revs in the 9,000 rpm range to make real power, racers scattered these engines all over racetracks across the country and left feeling defeated.
Legacy Stadium Events, Articles B
Legacy Stadium Events, Articles B