boss 302 aluminum heads

No drilling is required since it appears they updated the manufacturing process to eliminate this need. Boss 302 blocks are used all the time for Windsor headed performance buildups! Jeff Speegle Come see us @ ConcoursMustang.com MCA Shelby Judge, SAAC & Team Shelby Judge (in no particular order . Also; I had Carroll Shelby/SAAC racing program in several other FORD dealerships . reading. It had a description amd Alan Johnson Cylinder Heads listed as the vendor and contact #805-922-1202. THE NEXT ISSUE IS THE RECOMMENDED INTAKE GASKET FEL-PRO 1262. I think Im in love, lol!!. The Coyote V8 engine also concurrently debuted in the 2011 Ford F-150. While the DZ 302 had a stronger midrange than the Boss 302, in stock form, the Boss reigns supreme in the higher RPM range. quick fuel 650 performer rpm intake these heads smallest trick flow cam. Suddenly these heads arent so appealing. It will have screw-in core plugs and a four-bolt main block if it is a Boss 302. Perfect fitment, good quality heads on a budget! Once I pick the heads I was going to find a good cam for daily driving/ performance. Plus, they give you more power behind the wheel and in your wallet! And you'd have to replace the factory two-piece valves which are known to come apart randomly for no reason. on a brand new set of heads. 154-3701: SB Ford Boss 302 12pt Head Bolt Kit. The result was a powerful 290-horse factory screamer with peak street power coming in around 6,000 rpm. . Brand New. We did this to expand the scale to show the differences in power near peak horsepower. 125 of silicone is likely to blow out. Opens in a new window or tab. Cylinder heads are available fully assembled or as bare castings. If this becomes a bit more subjective by adding in power (and why wouldn't you? 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. 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. The BOSS 302 heads used some of the biggest valves in the industry. I also figured that the DZ 302s smaller heads, with better port velocity and more compression, would make more peak torque. it boots up ok but not as fast as my other i5 laptop. The modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine for improve efficiency. Pair. 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. No mention of those holes in the instructions. LOOKS AND PERFORMED GREAT. These heads are always perfect, but could use a little bowl work thanks team SUMMIT. 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. Is it the 69 or 70 Boss 302 head that's more streetable? . It was the most expensive of all the heads we tested. Fords incredible 1969-70 Trans Am BOSS 302. Junk ass Chevrolet stroker engines.puleeeeeze. . Better than fighting with iron cylinder heads. 500 max! 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. 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. very poorly packaged, opened it and there was no screen protection sheet between screen and keyboard. Factory was1.73 IIRC. This one appeared great at first use and for a couple of months. Does anyone remember the six cylinder heads they made for Bruce Sizemore. The Tech was nonchalant about this and stated these are a lower end part. 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. Budget iron can run $1195.00 for an easy 500 + hp but any more needs more valve area. Generator stud kit for 1938-48; use #8506. They are Worth it. 1970 Intake - 2.19 inches Exhaust - 1.72 inches. It took about 500 honest HP to break into the 11s with a little bit heavier car than your mustang. 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. 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. Cover Autolite 4V casting D0ZX9B48-3 . The best aluminum heads for 302, without a doubt, have an effect on the vehicle's RPM. Gurney Eagle : Gurney Eagle race heads : Application. Do the torque in 2 steps, first just hand tight, second with the torque wrench. The DZ 302 in the Z/28 was a natural marketplace competitor to the Boss 302 from Ford. The Ford is specd out at 228 degrees at .050-inch lift, but lift was a different matter. 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. Autozone has a great price on these heads. My fault for not setting the intake on the engine to check my end gaps. 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. The BOSS head was functionally identical to the 351C 4V head. 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. Any advice would be greatly appreciated. Fig. 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. Not sure about the 5089. Edelbrock E-Street cylinder heads are ideal for entry level street performance engines. I first installed an oil trap in the PVC thinking something went wrong with the piston rings. Stroking an engine is not going to reduce your engine rpm. A forum community dedicated to vintage Ford Mustang owners and enthusiasts. And torque is what gets the car moving from a stop, pushing you back in the seat. This combo has been dynod at 460-ish hp at 5000 rpm and 550 ft lbs of torque at 2000 rpm. The BOSS 302 heads are known as "Cleveland style" heads as they are based on the head designed for the 351 Cleveland engine. We certainly don't want to ignore the peak numbers, and that's where the TFS Twisted Wedge heads really earned the spotlight. 045. These heads have the right size valve for those piston. True but it seems excessive to me. Looking at the graph, it looks like the DZ 302 actually outperforms the Boss 302 from 3,700 rpm until 5,800rpm. Experimental Part . VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. They'll work but have you got the Boss heads? Classes? Reworking Cleveland heads I think would require reducing the size of some of the water passages and I unsure of the block clearance . I passed over a different set of heads at the recommendation of my machinist. Its main function is to seal the combustion chamber and provide a surface for the intake and exhaust valves. 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 BOSS 302s biggest shortcoming is port sizing, which is something Ford has rarely been able to get right. Ports 2.38" x 1.68" C9ZZ-9424-C. C9ZE-9425-A . 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. Had to mill out some (- one hour with a Dremel), to get my stock distributor clamp to fit. extreme amount of burrs left all around the rocker shaft mounting pads. 300 HP wouldn't be far off. Currently working on a 1970 Mach 1 project. These were available in stock and have the right size intake valves so I grabbed them instead. Cylinder Head 190cc Assembled. PRO1 170 Ford Tech Sheet - H30. Comparing the cylinder heads on paper, using data collected by Holdener for a previous article, the Boss heads clearly come out ahead. unfortunately I missed the return window due to illness. 1 on Pg 2 instructs the used to drill 3 holes if a 400 block is used. The Boss was topped off with an original aluminum. 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. Parts made from tooling for the cancelled 1971 BOSS 302 were used for service. 9 intake valves since they bolt on easy with no modification necessary. When you do that, you can see that the TFS head did substantially better than all the other heads above about 4,400 rpm. 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. These features improve an engines efficiency, resulting in more horsepower and torque and improved mileage potential. it still has the vista 7 sticker on the palm rest area. But thanks to all of your responses this is not for me! 58 cc Chamber. Valves 2.02 / 1.55" . Enter Fords development of an all-new 351ci engine with poly-angle valve heads and tight-fisted wedge heads destined for a 1970 introduction. There was also drill flash from the machining of the bores for the valve guides and spark plugs. Edelbrock Performance Cylinder heads are manufactured of A356 aluminum and made in the USA for AMC, Buick, Chevy, Chrysler, Ford, Oldsmobile, & Pontiac engines. 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. (Image/Jim Smart) Although these are 1969-70 BOSS 302 heads, they []. 030 shim. . I changed the thermostat so it would dump alittle more gas in her no problems so for. I have used them for over 35 years and never seen something like this. "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. Crate Engine, 302 C.I.D. These are perfect for the low compression big blocks of the mid to late 70s. 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. The Chevrolet used a 1.50:1 rocker, while on the Cleveland head, they used a 1.73 ratio. Install the gaskets with the raised seal towards the head and it will fit the ports much better. Besides the hemi-style heads themselves, the benefits of this new setup are many: For instance, a deck thickness of 0.7 inch to encourage safe use of power-adders, and full water jackets for proper cooling. The biggest difference between the two engines is the cylinder heads.. 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 JavaScript is disabled. Cast aluminum block and heads: Intake Manifold: Composite Boss 302 Specific with shell-welded and runner pack: Exhaust Manifold: Tubular . The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. For the Boss 351, the entire Cleveland engine was used instead of simply the heads. By doing the heads himself (he'd never tried it before), and using a 289HP air cleaner, 600 cfm carb, Edelbrock Performer RPM intake, stock distributor tuned to BOSS 302 specs, and a C9OZ-6250-C hydraulic cam, turned 323.5 hp @5300 rpm. Did you get them at a Chevy garage sale? A borescope down the intake revealed lots of oil in the intake runners near the valves. Cleveland's Crown Jewel. 030 AND 2 OF THEM WERE. But when I received them the box was almost completely destroyed and when I took them out of the box 2 valve springs and retainers were off the stud and loose in the box. This minor tune-up would really improve the flow curve and add a measurable amount of torque. ONE WAS OFF BY. pulled heads out of box, one head was in very nice shape, ready for service. 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. 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. i drank a bottle of 10,000 rpm and thode a rod !!! Parts made from tooling for the cancelled 1971 BOSS 302 were used for service. So get comfortable, slip on your Ford-colored glasses, and hang on. The Ford roller rockers use a fulcrum base and a 5/16-inch bolt to attach the rockers to the head. Reportedly designed by a drag racer and tinkerer named Sherman Sligh, the Boss 300 is engine design gone mad. These features improve an engines efficiency, resulting in more horsepower and torque and improved mileage potential. D1ZE service block and aluminum rods. Won't work with the 289 stroke. 98 sold Back in the day, there was all kinds of speculation that they made more than 400 horsepower. The heads also required custom-length Comp Cams pushrods to compensate for the relocated valves. Generator stud kit for 1938-48, use #8506. 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. This is where you must spend the money. You can see how the valves are canted in this picture. Edelbrock 5025: Cylinder Heads, E-Street, Aluminum, Assembled, 60cc Chamber, 170cc Intake Runner, Ford, 289, 302, 351W, Pair - Are you looking for a set of entry-level street performance heads for your modern street rod, muscle car, or truck? The Fora platform includes forum software by XenForo. 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 . Both these motors were factory-rated at the same 290 horsepower, but that number is suspect, says Holdener. Ever wonder what those camshaft specification numbers really mean and how they affect engine performance? either way, Im so thrilled with this product that im picking up the 205s for a fast engine build. 1969 Intake - 2.23 inches Exhaust - 1.72 inches. Help keep from being nose heavy. 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. This is the Head Bolt Torque Sequence (Pattern) for Ford's small block. We started FORD Drag Club at Horn-Williams Ford in Dallas,Tx. Nevertheless, for a street engine, this head delivers excellent midrange power. A big head and lots of airflow means lots of power. Click to expand. Raced and owned quite a few Boss 302s. And, he decided to make that happen. That would probably have been the only intake available to work , at that time. Edelbrock 5025: Cylinder Heads, E-Street, Aluminum, Assembled, 60cc Chamber, 170cc Intake Runner, Ford, 289, 302, 351W, Pair Are you looking for a set of entry-level street performance heads for your modern street rod, muscle car, or truck? All Rights Reserved. I used them with a Comp Cams 274XE cam and a QFT 600cfm carb. Australian car enthusiast with 30 years experience in the high performance industry. If you used windsor heads its not a BOSS. The heads offered an excellent midrange power curve, behind only the Twisted Wedge casting between 4,000 and 5,500 rpm. We tried this formula to see what our basically stock BOSS 302 would do. saw a pair of Boss 302 heads online for $400 and thought why not. Henry Ford II wasnt going to have it any other way. . 035 (which I am using). 1-330-630-1555 1-888-841-6556. . Boss 302s did indeed have 1.73 ratio rockers from the factory. Original aluminum Boss 302 valve cover brackets for the spark . The Duntov cam that GM used in the DZ 302 had over 250 degrees of duration at .050 [inch]! Holdener explains. 1970 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. I thought the bolt pattern was the same, that is what helped to make the swap work. These ford flathead cylinder heads feature original edelbrock script logo design for fords and mercurys. SBF FORD Aluminum Cylinder Heads 302 /351w 190cc 62cc 2.02 /1.60 For ROLLER CAM. When I set the carb I get a bouncing vacum needle at idle, Ive been told thats a sign of a sticking valve. This page last updated: February 3, 2022. It used to be listed in the FRRP catalog. I am through with their products. Assembled. The push-rods needed to be extended using a 2-piece design w/a small aluminum sleeve (that slides in the block) to join the 2 pushrods. 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. 4V. The block is a 1980 302 Winsor. refresh the page. Can you further help me with where to buy this? You would need a Boss 302 manifold for the intake. 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..