These aluminum heads can be directly installed on all small-block Fords: 289, 302, 351W and, with some modifications, even 351C engine blocks. pulled heads out of box, one head was in very nice shape, ready for service. Neither was really that streetable but of the two the 70 had the smaller valves whick helped a little with the low rpm feel. 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. The BOSS 302 heads used some of the biggest valves in the industry. If youre using stock pistons, get the version of these heads with the smaller intake valves (Part #5023). The factory 780cfm carburetors are really, really expensive, and we didnt want to spend a few thousand dollars on a carburetor, explains Holdener. A tad shorter then a 351W but a little wider due to the size of the heads. There was dust and paper bits all over the keyboard and screen!! But as others have mentioned there are modifications that must be done to make it work. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The Duntov cam that GM used in the DZ 302 had over 250 degrees of duration at .050 [inch]! Holdener explains. Something is very wrong with this, a blueprinted stocker should be in the 375-400 HP range. For the Boss 351, the entire Cleveland engine was used instead of simply the heads. I had 90 runs on an original Boss 302 in a 70 Mustang. The BOSS 302s biggest shortcoming is port sizing, which is something Ford has rarely been able to get right. Currently working on a 1970 Mach 1 project. 1969 However, in the upper RPM range, the Boss 302 shows a definite, significant advantage over the DZ 302. So Im into changing springs, retainers, locators, etc. Junk ass Chevrolet stroker engines.puleeeeeze. Above you see a casting with a D1ZE part number. Boss 302 - 1970 Boss. 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. I am presently installing a 302 clevor into a 83 mustang GT. For those who consider swirl a detriment to producing power this is a positive thing. 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. I thought the bolt pattern was the same, that is what helped to make the swap work. OK, you can do pretty well on a budget. stock rebuild,. Why would you build a 302. I think it was based on the Cleveland design. 035 (which I am using). Bought these and compared to the other (PC). My first ever computer was an HP Pavilion PC, and theyve always been my favorite brand since then. Age Group: adult. It was the most expensive of all the heads we tested. 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 4-bolt caps can be seen here. 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. 154-4207: Ford Racing Aluminum Valve Covers, Part # M-6582-Z351, SS, 12pt . 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 We discovered this was a 1969-70 BOSS 302 head modified for use on a 351C. 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. A forum community dedicated to vintage Ford Mustang owners and enthusiasts. It was what the SCCA mandated for street homologation. 1969 mustang fastback boss 429 351 race car front end. 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. Boss 302 heads are unique.No other heads will work without some changes. Just A Taste is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. The J code 302-4V was only made in 68. But thanks to all of your responses this is not for me! 2. No drilling is required since it appears they updated the manufacturing process to eliminate this need. It had a description amd Alan Johnson Cylinder Heads listed as the vendor and contact #805-922-1202. The heads also required custom-length Comp Cams pushrods to compensate for the relocated valves. Semi or Farm tractor repair shops would probably have the location of one near you.Now, with all the Aluminum small block head available, you could create a real bad 6. I have not been able to specifically identify because the stamp on corner does not mach up with what it should be. All Rights Reserved. I think the higher RPM one had larger valvesand ports, right? 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. 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. Im sorry guys but you somehow missed something there are boss 302s out there cranking out way more than what you guys are claiming. 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. 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. It would make a nice high rpm engine that was pretty soft on the lower end where you spend the most time. This is my first engine build, let me know if Im doing it all wrong. I would suggest pulling the vavles and wiping everything down. Install the gaskets with the raised seal towards the head and it will fit the ports much better. Aluminum will allow you 1pt up in compression for its ability to shed heat. http://fordsix.com/forum/viewtopic.php?t=33048, 1971 Ford Maverick - Budget 10-Second Turbocharged Maverick Coupe - Car Craft Magazine. Sign up for a free trial to MotorTrend+ today. 030 AND 2 OF THEM WERE. My build is a 306, 9. 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). 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. Russell; COMP Cams; TCI Auto; FAST; E-Comm Sales: Sales: 888-799-1135 Tech: 800 . 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. Like we said, if best power or least price is your only concern, then the decision is easy. Search 6 Hohenthann siding contractors & companies to find the best exterior and siding contractor for your project. THe new heads will have the same bolt-pattern as the original 6. The holes are also there in a 350 block and Felpro gasket as well as the 5073 head. I think Im in love, lol!!. Was running 850 dbl pump Holley with 4:56 gears, and I was running 12:20s at over 112 mph in the quarter. Well, I got about 500 miles on the engine now and couldnt be happier about the build. These elements made the BOSS 302 a unique mill compared to what the rest of Detroit had to offer at the time. That tradition dates back to the companys founding in 1903. Did you get them at a Chevy garage sale? I have certificate for it. 60 cc Chamber. 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 first installed an oil trap in the PVC thinking something went wrong with the piston rings. When the vacuum is high, the intake is sucking oil through the valves. Needless to say they began to really spank everybody and by the end of the season the six cylinders were out ruled. 8:1 compression, TFS Stage 1 hydraulic roller cam, 1 5/8 headers, Summit Stage 1 dual plane intake, Edelbrock 650 AVS carb. Had to mill out some (- one hour with a Dremel), to get my stock distributor clamp to fit. refresh the page. unfortunately I missed the return window due to illness. were designed to be 1-for-1 replacements for Boss 351 cylinder heads. Typically these are seen in three different versions as shown. High-Quality Details With the Edelbrock part #7129 Performer RPM E-Boss 302 intake manifold, you can build a mock Boss engine by using a standard 302 block and Edelbrock Performer RPM Cleveland cylinder heads #61699. Your email address will not be published. Well I have a 1977 copy of Pop. Speedway and Try-State Cylinder heads both stand behind this product. That would probably have been the only intake available to work , at that time. Keep the RPMs under 5,500 and valve lift is more like. 0:1 on blocks with a 3/16 base relief (stock bore and stroke). 1.90/1.60 in Valves. My first work Dell was super slow and sluggish, so I was sent a new one. Cylinder Head. 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 68 J and F code heads show to be the same in my information. 8l F250hd efi roller engine? Im trying to build my 289 on a budget and saw a pair of Boss 302 heads online for $400 and thought why not. Today, the aftermarket lineup of Ford cylinder heads has plenty of castings from which to choose. We'll send you raw engine tech articles, news, features, and videos every week from EngineLabs. The heads alone are excellent fit and quality. I was still only available with the special 302ci 290 hp high output engine. 70 Boss 302 intake 2.19 / exhaust 1.71. Great top end with these heads also. So the induction system is kind of a toss-up. The BOSS 302 Registry is not affiliated with the Ford Motor Company. We got our answer. can I send the stud kit back? All rights reserved. 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. For the 1968 Trans Am season, Ford took the 302 cubic inch Tunnel Port out there in search of victory. But, I just came across this website and happened to ask about B. Sizemor's 6. Cylinder heads are available fully assembled or as bare castings. Ford engineers took the new 351 cylinder head and modified it to work with the Tunnel Port block. But there is absolutely something else wrong. They had problems with the 69 heads..made some changes in 70 and won the Trans Am races.So 70 or 71 heads are the better heads. Combine Edelbrock quality with excellent power and a highly competitive price, and the E-Street Edelbrock heads strike us as an excellent choice. World contributed the lone cast-iron head to our Ford small-block test. My fault for not setting the intake on the engine to check my end gaps. Expensive mistake. Exhausts have only a. 165 cc Intake. Guys if you want to make serious power. Have you got the intake? It was rated at 10.5:1 compression and 230 bhp (Shelby was rated at 250). View Details. Reworking Cleveland heads I think would require reducing the size of some of the water passages and I unsure of the block clearance . . I remember reading about it in some magazine and I saw it on another forum recently. Once I pick the heads I was going to find a good cam for daily driving/ performance. Heads are sold individually. DART . Stroke that thing. Edelbrock E-Street cylinder heads are just the ticket. Aluminum. Aluminum heads are affordable, lighter and will make more power. . 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. Crate Engine, 302 C.I.D. It had to sneak the GTO in under the radar of upper management. Using the native mouse is awkward. A factory high-rise dual-plane intake manifold was used, with one part not period-correct. Get big power on a small budget with BluePrint Muscle Series cylinder heads! I changed the thermostat so it would dump alittle more gas in her no problems so for. 1/23 . Future availability is unknown. You can see how the valves are canted in this picture. The Ford roller rockers use a fulcrum base and a 5/16-inch bolt to attach the rockers to the head. After idling for a couple of minutes the engine will start smoking horribly. Be the first to rate this post. Edelbrock E-Street cylinder heads are ideal for entry level street performance engines. These heads are coated with assembly lube out of the box. They have cast iron seats and guides (titanium valve compatible) and are set up for studs and guide plates. 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. Reportedly designed by a drag racer and tinkerer named Sherman Sligh, the Boss 300 is engine design gone mad. 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; The "civilian" Boss 302 engine had a 4 bolt main block with screw-in freeze plugs and a forged steel crank. Absolutely no complaints, tons of flow and tons of fun. Inline and < 15* valve angle such as World Products Man O' War 10* heads promote very good performance. Edelbrock E-Street cylinder heads are just the ticket. The real question is, what do these factory motors make, and how do they compare to each other?. Other Intakes >> Application. Great option. Boss 302 blocks are used all the time for Windsor headed performance buildups! 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 . Here you can see exactly where each engine outshined the other, and by how much. 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. Autozone has a great price on these heads. 030 shim. 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. Up top, are a set of Ford Motorsports C302 cylinder heads, which have been worked over by Roush-Yates Racing. I was going to have my reconnecting rods reconditioned with 5/16 arp bolts. Turbo 300-inch Ford can bang off 10.90s at 120 mph. 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. IF YOU DO THIS BE SURE TO USE PERMATEX #2 ON THE INTAKE STUDS. 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. . Having a hard time finding Boss 302 Heads online? These heads are really impressive!!!!!! . The drag strip in my area doesn't have any classes. Sizemore, formerly of Preperation H fame, did considerable valvetrain developement and terrorized the former checvvy stronghold of I and J/Gas. 154-3607: SB Ford 289-302 standard 12pt Head Bolt Kit. Find Parts and Accessories Boss 302 aluminum heads KEYWORD and get Free Shipping on Orders Over $99 at Summit Racing! A guy near here used the advice on the link below, starting with a 67 289 2V engine. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The heads are a direct replacement for previous Twisted Wedge heads and work with all Twisted Wedge specific pistons. You can see the marks the intake valves made so you can clearly see the reliefs are not big enough (as in diameter, not depth). If I wasnt on a time crunch, I would have returned these heads. We apologize for the inconvenience This provided more room for larger valves instead of the standard side-by-side arrangement. One thing I found particularly awesome about these heads is the spark plug holes and threads. Raced and owned quite a few Boss 302s. The result was a powerful 290-horse factory screamer with peak street power coming in around 6,000 rpm. Building LS garbage? Best heads for the price. 289 & 302 (Except Boss 302), Dual Plane [Natural] (27) $207.99. It used to be listed in the FRRP catalog. Stroking an engine is not going to reduce your engine rpm. A forum community dedicated to vintage Ford Mustang owners and enthusiasts. We learned on the first few pulls that we had too much carburetor with our 750 cfm Holley 4160 and too little camshaft. 1970 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. Pair. The Boss 302 and 351C-4V head casting are the same except for a minor difference in water passages. I KNOW FROM EXPERIENCE. 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. Wait 1.6 rockers? Not even close to what I thought I should be getting in a brand new set of heads. 69 Boss 302 Mustang & Cougar . The E-street came in second in peak horsepower and a very close third in average horsepower and torque.
