Ford Aftermarket. 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. Part of the difference in valve lift numbers between the two is the rocker arm ratios used from the factory. (BOSS) Street Cruiser Cylinder Head. You will need the boss piston to go with the canted valves.. No. detroit metro auto parts "302" - craigslist. Experimental Part . The BOSS piston was a unique item, configured to use the 289HP rod with the 302 stroke. Fords incredible 1969-70 Trans Am BOSS 302. I called AFR about the problem and their only suggestion is to install a crankcase vacuum pump. Weve got 302 fords with gt40 3 bar heads making over 500 hp. 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. Edelbrock E-Street cylinder heads are ideal for entry level street performance engines. 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. Having a hard time finding Boss 302 Heads online? They are very capable iron heads. This is the 2012-2013 BOSS 302 cylinder head casting, M-6050-M50 and M-6049-M50 (shown), which really is a different casting of an improved 356 aluminum alloy (versus 319 with base Coyote heads) with CNC-machined ports and chambers. Small-Block Ford Aluminum Cylinder Heads - MotorTrend This could easily cause a hot edge and create premature detonation of the charge. los angeles auto parts "sbf" - craigslist These heads feature A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. They dropped off after that. The heads were to big for a 351CLEVELAND. one of the hotrod magazines did an article on the combo back in the 70's. 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. BluePrint Engines Ford 302 C.I.D. Autozone has a great price on these heads. Typically these are seen in three different versions as shown. writing. Outperform many more expensive parts. Get big power on a small budget with BluePrint Muscle Series cylinder heads! TRW developed these pistons and suppled Ford with them for both racing and production engines. Boss 302 blocks are used all the time for Windsor headed performance buildups! Opens in a new window or tab. I thought the bolt pattern was the same, that is what helped to make the swap work. These aluminum heads are assembled with the perfect match of components for outstanding, trouble-free performance. Typical rebuild, headers, Competition solid lifter cam, 1.73 Crane roller rockers. The supply chain issues are eliminating a lot of choices. ), then the second-least-expensive headsthe Edelbrock E-Street headsreally begin to stand out. But as we've seen before, the heads that produce the best peak power also tend to do so throughout the entire rpm band. The BOSS 302 Registry is not affiliated with the Ford Motor Company. But it should be noted that Ak Miller built a '67 Mustang at about the same year and created a 300 out of a 240 ( for the younger ones a 300 used to be a truck engine and the smaller 240 was used in the cars,LOL) with a set of Webers and bigger valves and cam, it turned in the twelves, that's in the late 60s. 125 of silicone is likely to blow out. I KNOW FROM EXPERIENCE. These lightweight aluminum heads bolt up to your small block Ford and feature 190cc intake/60cc exhaust runners, 60cc combustion chambers, and 2. For a better experience, please enable JavaScript in your browser before proceeding. They'll work but have you got the Boss heads? 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. 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). 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. These features improve an engines efficiency, resulting in more horsepower and torque and improved mileage potential. Ive had several other brands, but HP has been the best. 302 4v heads | Ford Muscle Cars Tech Forum All they had to do was make the piston dome bigger on the 302 to keep the same 11:1 compression ratio.. At the time the first heads were done, I think only cast iron were available so they were furnaced brazed.If you sliced them, any shop that repairs heads could do the work. It's important to note that this was the only head in our test that required its own separate valvetrain. The product is a great entry level/cheap head though so 5 stars! Bob Perkins(WI) located it and restored it to original shape and build special plexiglass trailer for it to display. 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. 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). 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). They feature revised valve angles and locations to reduce cylinder wall shrouding and improve flow, along with redesigned combustion chambers to accommodate the more centrally located valves. The TFS heads appeared to be the big dog in the room when it came time for testing. . The intake valves all have. Cheap Aftermarket Heads | 460 Ford Forum 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. To pull this off, we needed a durable mule, so we chose Ford Racing's Boss 302 345-hp crate engine that comes with a set of aluminum heads actuated by a .480-inch lift B303 hydraulic. if you have over. The cylinder head is bolted to the engine block and sits above the pistons. The Fora platform includes forum software by XenForo. Bolts in anywhere a 302 will go with the right headers and pan. Boss 302 aluminum heads | Ford Muscle Cars Tech Forum IF YOU DO THIS BE SURE TO USE PERMATEX #2 ON THE INTAKE STUDS. Due to the larger Cleveland-style heads, the Boss 302 weighs somewhat more than the normal 302, tipping the scales at 500 lbs. I was building that garbage in 2nd grade. Condition does not matter! Be the first to rate this post. 1 on Pg 2 instructs the used to drill 3 holes if a 400 block is used. 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. I have certificate for it. Im trying to leave this pretty much as is, until I get a few good drives in. THE NEXT ISSUE IS THE RECOMMENDED INTAKE GASKET FEL-PRO 1262. Although we thought that the previous 302 Windsor vs 305 TPI was a pretty fair test of two era-and market-specific competitors, this has to be the ultimate level-playing-field. 030 shim. Best heads for the price. 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 68 F code had 10:1 compression and made 210 bhp. 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 One side opted for mild lift and more duration, and the other went for more lift and milder duration. Edelbrock heads are available in two different versions, with either 1.94- or 2.02-inch intake valves. Have you got the intake? DONT USE ANYTHING ELSE OR IT WILL LEAK. Edelbrock E-Street cylinder heads are ideal for entry level street performance engines. the second head had not been full deburred from the milling process. Always interested in how things work, he enjoys sharing his passion for automotive technology with the reader. Assembled. Still have lots of racing Boss and Hipo parts. We'll send you raw engine tech articles, news, features, and videos every week from EngineLabs. Im sorry guys but you somehow missed something there are boss 302s out there cranking out way more than what you guys are claiming. A guy near here used the advice on the link below, starting with a 67 289 2V engine. 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. I am presently installing a 302 clevor into a 83 mustang GT. ---185cc Aluminum Heads for SB Ford --- Above you see a casting with a D1ZE part number. So, a big head, lots of camshaft, an aluminum intake, and a Holley four-barrel. 18 Ft/Lbs - Aluminum Heads. Both had dual-plane high-rise intakes and big Holley carbs. Building a Boss 302 for Street Use - MotorTrend Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Sizemore, formerly of Preperation H fame, did considerable valvetrain developement and terrorized the former checvvy stronghold of I and J/Gas. The drag strip in my area doesn't have any classes. 09 of shims installed so they look good. I wanted to built a great runing, mild street motor around a stock sbf 302 short block. they mandated a 5.0-liter displacement limit. 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. The biggest difference between the two engines is the cylinder heads.. Bolt-On Hemispherical Heads for a Small-Block Ford - Street Muscle 1970 BOSS 302 ENGINE BLOCK| Part Details for M-6010-BOSS302 | Ford 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. A forum community dedicated to vintage Ford Mustang owners and enthusiasts. Some additional 302 factory valve sizes: 69 Boss 302 intake 2.23 / exhaust 1.71. Ford's legendary racebred Boss 302 engine remains one of the most significant high-performance power plants in the company's history. Prices listed are from the story's original publish date, February 1, 2013. 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Better than fighting with iron cylinder heads. Small Block Ford Intake Torque Sequence | GTSparkplugs 300 HP wouldn't be far off. 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. Cleveland Flow Testing - FordMuscle 1-330-630-1555 1-888-841-6556. . 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. I work in IT, so I know a good laptop/PC when I use one. and if you want to use a high-lift cam or supercharger; thats no problem, either. To clear up a few questions, the combustion chambers are 60cc, not 64cc. We did this to expand the scale to show the differences in power near peak horsepower. 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. THE NEXT ISSUE WAS VALVE SPRING INSTALL HEIGHT. Back in the day, there was all kinds of speculation that they made more than 400 horsepower. from United States. 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. It had to sneak the GTO in under the radar of upper management. 69/70 Boss 302 Race Engine Specs? | Vintage Mustang Forums The connecting rods and crankshaft are made of forged steel, and the heads are aluminum with roller rocker arms. 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. Batten was at the top of their game then and were welding up and porting the best bow tie heads on the planet back then, besides all the othher stuff. 1969 mustang fastback boss 429 351 race car front end. That was a surprise.. Dells are ok computers. 351 cleveland heads for sale | eBay high power capabilities. for use w/ Special Intake. Comparing the cylinder heads on paper, using data collected by Holdener for a previous article, the Boss heads clearly come out ahead. All rights reserved. JavaScript is disabled. Other than that it was OK. 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. Perfect fitment, good quality heads on a budget! 2. The 240 and 300 are basically the same engine -- based on the same block design anyway. The cam featured 290 degrees duration and .477 in (12.1 mm) of lift. My first ever computer was an HP Pavilion PC, and theyve always been my favorite brand since then. 98 sold The BOSS 302's biggest shortcoming is port sizing, which is something Ford has rarely been able to get right. A tad shorter then a 351W but a little wider due to the size of the heads. 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Edelbrock E-Street cylinder heads are just the ticket. Yates? my signature linesnot really directed at anyone in particular.. This one appeared great at first use and for a couple of months. 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. Compatible with Chevy Small Block 302/327/350/383/400 SBC 200cc Intake 68cc Angled Plug Aluminum Bare Cylinder Head $238.88 $ 238 . Thanks to all who helped us get here. First of all. crank, offset-grinding it to a smaller crankpin diam. saving. They used the 3 center sections of the heads. For use only with Special heads . in 1969 with Doug Durham and me ,TED FORDMAN EHRHARDT who took a new Boss 302 short block apart and checked all specs. I HAD TO CHANGE OUT THE SPRINGS FOR ONES WITH MORE PRESSURE DUE TO VALVE FLOAT AND I AM ONLY RUNNING AN E303 CAM. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4 reach with flat gasket seat. The 300 block may have a slightly taller deck height than the 240. Sure there's someone on here that could tell you what heads you have would be better but with the right (mild) cam, good intake, etc. Exhaust - 1.72 inches. Revised cooling system passageways Siamese bore with drilled coolant crossover holes (Except on M-6010-B302BB ) Increased bulkhead material Swirl Remarks CHW's Modified Boss 302 head shows the elimination of a swirl effect at lifts below .600 inches. The only caveat to all this is that the Twisted Wedge heads do limit valve lift (0.600 inch) and duration on stock pistons due to their repositioned intake valvejust so you know. SBF Pro1 20 170cc Heads - Dart Machinery JavaScript is disabled. For use on pre-pollution controlled vehicles only. Aluminum. Siding Contractors & Companies in Hohenthann - Houzz Above you see a casting with a D1ZE part number. The result of this engineering effort was the BOSS 302 engine, which became the Trans Am mill of choice for 1969-70 and beyond in SCCA competition. 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. It was 351C heads, 3 of them, cut up into 6 pieces, then furnanced blazed. Absolutely no complaints, tons of flow and tons of fun. Will these heads work well?. In my 70 years of fooling with cars, we always had a formula. DART . It was a world beater and symbolic of the end of the classic muscle car era. 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. Ever wonder what those camshaft specification numbers really mean and how they affect engine performance? From new ones to the aluminum headed one I have in my fairlane now. These are perfect for their intended use, the street. Jeff Speegle Come see us @ ConcoursMustang.com MCA Shelby Judge, SAAC & Team Shelby Judge (in no particular order . 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! Keep the RPMs under 5,500 and valve lift is more like. That may or may not make your ultimate choice any easier, but if so, you can thank us later. Here you can see exactly where each engine outshined the other, and by how much. The finishing order for peak torque realigned slightly, with TFS out front, RHS coming in a strong second, and Edelbrock and Ford tied for third. I think I have seen afrermarket heads but cannot rememmber where. "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. The heads are Cleveland heads. 4V. Stroke that thing. Purchased a long block on CL. Generator stud kit for 1938-48, use #8506. 154-4207: Ford Racing Aluminum Valve Covers, Part # M-6582-Z351, SS, 12pt . Plus we used cam dial-in and it was only off a half degree. Performance Distributors Keeps The Spark Alive With SOS, A New Diesel Piston That Increases Power And Reduces, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop, Melling Offers New Timing Kits for Ford 4.6L and 5.4L SOHC, Reborn Retro Blower Packs Positive-Displacement Power For Fox, EngineLabs Tool Of The Month: Summit Racing Lb-In Torque, Why You Should NOT Emissions Delete Your Diesel, Can A Cold Air Intake Really Help Your Trucks, Ask The Expert: We Want Your Questions For Canton Racing, The Answers: DeatschWerks Responses To Your Fuel System, SEMA 2022: GEARWRENCH Leveled Up With Distinct Quality Hand, EngineLabs Tool Of The Month: Summit Racing AN Wrench, HOLY SHIP! The Edelbrock 351C head shows a controlled "swirl ramp" that comes on lightly at 100 RPMs starting at .450" lift and increases steadily to 2000 RPMs at .600" lift. Ford Small Block Engine Data & Specifications | CarTech Pit Bosses: Is the modern Boss 302 a worthy successor to the famed