So the induction system is kind of a toss-up. While it only had .480-inch of lift, that duration would really allow the RPM to climb. 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 detroit metro auto parts "302" - craigslist. Camshafts were quite similar to the 289 HP. But there is absolutely something else wrong. What? Siding Contractors & Companies in Hohenthann - Houzz 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. Just my thought. 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. 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. 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. 58 cc Chamber. Having a hard time finding Boss 302 Heads online? Both engines are solid flat tappet cams, and the Chevy especially responded to changes in the lash. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! Cylinder Head. They had to combine a four-inch bore from a 327 block with the three-inch stroke from the 283, Holdener elaborates. One thing I found particularly awesome about these heads is the spark plug holes and threads. It should be in the product description and specs. Yes you can bolt the 351C heads to a 289/302/351W block. Small-Block Ford Aluminum Cylinder Heads - MotorTrend 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 . Once I pick the heads I was going to find a good cam for daily driving/ performance. Aluminum Block Aluminum Heads - Subtract .012? To clear up a few questions, the combustion chambers are 60cc, not 64cc. [IMG]http://www.dslextreme.com/users/jbooth/sidenew1.jpg[/IMG][IMG]http://www.dslextreme.com/users/jbooth/enginenew1.jpg[/IMG]. We started FORD Drag Club at Horn-Williams Ford in Dallas,Tx. The Cleveland heads can fit a 302 with the appropriate water passage mods and shouldered bolts to compensate for the bolt hole difference. The heads are a direct replacement for previous Twisted Wedge heads and work with all Twisted Wedge specific pistons. 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. The heads are awesome and fit great! Street 512 Mopar motor in a Dodge Dart . 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. For use on pre-pollution controlled vehicles only. instead of 50 oz. Im sure you had over 400. Valves 2.02 / 1.55" . Boss 302. Im trying to build my 289 on a budget and saw a pair of Boss 302 heads online for $400 and thought why not. Im looking to build an engine that produces 300ish hp. They dont flow as well as some of the more expensive options available but they flow way better than OEM cast iron heads. Whenever youre running a flat tappet cam, always use a zinc additive, Building Classic Ford 351 Cleveland Power. Cylinder Head 190cc Assembled. Throw a blue oval flag over the RHS, Edelbrock, and Ford heads, and the performance is very similar. What looks like parting lines are huge in some places, one exh runner has a stick of Aluminum protruding into the runner (pic 1). 98 sold 69 Boss 302 Mustang & Cougar . Though I rated the overall part as good, the areas that really count are just average. Will these heads work well?. I was trying to find a set of heads that will produce 300ish hp. Stroking an engine is not going to reduce your engine rpm. A forum community dedicated to vintage Ford Mustang owners and enthusiasts. The less you know the more you need vacuum secondarys. Both these motors were factory-rated at the same 290 horsepower, but that number is suspect, says Holdener. The Ford head uses a net-lash design that makes the valvetrain non-adjustable. Ports 2.38" x 1.68" C9ZZ-9424-C. C9ZE-9425-A . The connection with metered networks (or connecting to your phones hotspot) appear to deteriorate over time, and causes this error. It had a close ratio 4 speed transmission, a 3.50:1 rear axle, a staggered shock competition suspension and a 16 : 1 steering box. writing. The results of this test didnt really surprise me, except for one thing, reveals Holdener. Here you can see exactly where each engine outshined the other, and by how much. Ford and Mustang Intake manifold A forum community dedicated to hot rod owners and enthusiasts. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Find Parts and Accessories Boss 302 aluminum heads KEYWORD and get Free Shipping on Orders Over $99 at Summit Racing! 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. 22-25 Ft/Lbs - Iron Heads. The Boss used a mild camshaft, mild compression, and lots of head flow, Holdener says. JavaScript is disabled. Ford Boss 302 Engine Build - Build A Better Boss - Tech - MotorTrend Edelbrock E-Street cylinder heads are just the ticket. Ford Performance Cylinder Head X2 Street. Cleveland heads on 302 Roller Block | Ford Mustang Forums Sign up for a free trial to MotorTrend+ today and start watching every episode of Engine Masters, plus much more! Build your own custom newsletter with the content you love from EngineLabs, directly to your inbox, absolutely FREE! 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. Like with standard 4V heads, you would have to machine the tops of the heads to accept screw-in, adjustable rocker studs. These heads are screaming on the 302 I just built and are great quality. Actually, everything about these heads helps the little 302. Not true! extreme amount of burrs left all around the rocker shaft mounting pads. The heads are Cleveland heads. Swirl Remarks CHW's Modified Boss 302 head shows the elimination of a swirl effect at lifts below .600 inches. Ever wonder what those camshaft specification numbers really mean and how they affect engine performance? 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. It came with aluminum heads that were way too big for the cam and my use. stud-mounted roller rockers as the current Ford Racing 429 Cobra Jet heads, and the standard Cobra Jet intake and exhaust manifolds bolt right on. Does any 351 Cleveland head fit it? Boss 302 - 1970 Boss. which de-stroked it. These lightweight aluminum heads bolt up to your small block Ford and feature 190cc intake/60cc exhaust runners, 60cc combustion chambers, and 2. So howd they stack up? Its useful for when you have a tight engine compartment and headers in a Falcon. BOSS Cars Nationals 2005 - BOSS Cars Reunited. We did this to expand the scale to show the differences in power near peak horsepower. Cast aluminum block and heads: Intake Manifold: Composite Boss 302 Specific with shell-welded and runner pack: Exhaust Manifold: Tubular . 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. Boss 302 is a Windsor engine; uses Windsor cam lobe profile & 1.6 Windsor rockers. 1.290 in Spring. 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. That's what the TFS Twisted Wedge heads did here. Budget iron can run $1195.00 for an easy 500 + hp but any more needs more valve area. 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. 300 HP wouldn't be far off. As I recall from articles way back, this is an expensive process. No more dyno there. This includes 260, 289, 302, Boss 302, 351W and related variants. Much of this gain over the stock 345-hp Boss 302 rating can be attributed to Westech's lower 140-degree engine coolant test procedure and open dyno headers. 2023 Power Automedia. I'd have to look through some old books, but I think it took 3 heads to get 1, although it may have been 2. WITH THE STIFFER SPRINGS I REALIZED THE PEDESTAL MOUNT ROCKERS WOULD MOST LIKE FAIL SO I MACHINED THE PEDESTAL PADS, DRILLED AND TAPPED AND INSTALLED HELI COILS FOR ROCKER STUDS. I have used them for over 35 years and never seen something like this. 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). 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 . Suddenly these heads arent so appealing. However, in the upper RPM range, the Boss 302 shows a definite, significant advantage over the DZ 302. Also; I had Carroll Shelby/SAAC racing program in several other FORD dealerships . You have to rev it to the moon to really make any power. Im trying to build my 289 on a budget and saw a pair of Boss 302 heads online for $400 and thought why not. The BOSS 302 Registry is not affiliated with the Ford Motor Company. Otherwise, pair these with some flat top pistons with the correct valve reliefs. We tried this formula to see what our basically stock BOSS 302 would do. The intake is off a 1965 Shellby. A forum community dedicated to vintage Ford Mustang owners and enthusiasts. THe new heads will have the same bolt-pattern as the original 6. Edelbrock E-Street cylinder heads are ideal for entry level street performance engines. Truth is, a factory original Boss 302 is happiest with a 600 to 650 cfm Holley. 8:1 compression, TFS Stage 1 hydraulic roller cam, 1 5/8 headers, Summit Stage 1 dual plane intake, Edelbrock 650 AVS carb. 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! This page last updated: February 3, 2022. but thesell work on a large engine and flow, too. It was rated at 10.5:1 compression and 230 bhp (Shelby was rated at 250). 040 roller short block A little lope at idle but it pulls everywhere in the rpm range. Fords classic 1969-70 BOSS 302 engine was a bold step forward after a miserable season in 1968. The BOSS 302 heads used some of the biggest valves in the industry. 1970 Fastback (to be finished outside as a Boss 302 tribute), thanks for all the responces! I think the higher RPM one had larger valvesand ports, right? My build is a 306, 9. 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. Im trying to leave this pretty much as is, until I get a few good drives in. Other than that it was OK. . These heads are really impressive!!!!!! 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. Was running 850 dbl pump Holley with 4:56 gears, and I was running 12:20s at over 112 mph in the quarter. It was 351C heads, 3 of them, cut up into 6 pieces, then furnanced blazed. 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. i knew a guy that put a set on his 65 shelby. The Dart castings would have been the Iron Eagle versions, and the Pro Comps are affordable in aluminum. Cover Autolite 4V casting D0ZX9B48-3 . ---185cc Aluminum Heads for SB Ford --- 1970 - D0ZE-6090-A or B. 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. Single angle amateur valve job and it was pretty sad looking At this point I called edelbrock and they gave me the song and dance so I called Jegs and they issued a return. 1.90/1.60 in Valves. 09 of shims installed so they look good. However, there are a few notable differences between the Coyote in the F-150 and the Coyote in the Mustang. And, he decided to make that happen. Ultimately, the best cylinder head for your Ford 302 will depend on your specific goals and needs. Ford Boss 302 engine - Wikipedia Intake - 2.19 inches I HAD TO CHANGE OUT THE SPRINGS FOR ONES WITH MORE PRESSURE DUE TO VALVE FLOAT AND I AM ONLY RUNNING AN E303 CAM. THAT IS UNACCEPTABLE IN MY BOOK. This new design offers a 25-50 HP increase over current Cobra Jet heads, depending upon displacement and camshaft. 64cc Volume. Not to mention the 50lbs you lose off the front. The DZ 302 used a 1.5:0 ratio, while the Boss 302 head used a larger 1.72:1 ratio. . Looking at the graph, it looks like the DZ 302 actually outperforms the Boss 302 from 3,700 rpm until 5,800rpm. If you used windsor heads its not a BOSS. Would it mess with the computer really bad. These are perfect for their intended use, the street. 60 exhaust valves. My fault for not setting the intake on the engine to check my end gaps. This is my first engine build, let me know if Im doing it all wrong. Ford brought back the iconic 5.0L in the 2011 Mustang. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4in. Flashing in ports was unacceptable. The intake ports flow 382 cfm at .750-inch of lift. So Im into changing springs, retainers, locators, etc. I purchased these because I needed some better than stock, but not full out race heads. Your email address will not be published. Boss 302 heads are unique.No other heads will work without some changes. Pair. . Flat cylinder heads have large water capacity and excellent breathing characteristics. second time I have been disappointed with Edelbrock. A guy near here used the advice on the link below, starting with a 67 289 2V engine. for use w/ Special Intake. 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 aluminum heads can be directly installed on all small-block Fords: 289, 302, 351W and, with some modifications, even 351C engine blocks. For a better experience, please enable JavaScript in your browser before proceeding. There is no flat spot and these engines will pull from 2000 against any rival including a Windsor. SBF FORD Aluminum Cylinder Heads 302 /351w 190cc 62cc 2.02 /1.60 For ROLLER CAM. 010 runout and wouldnt come out of the head without a lot of force (we never took it out). The Edelbrock Flathead Cylinder Head is made of A356 aluminum T-6 tempered cylinder head. Factory was1.73 IIRC. Ah now Plummer - it's not a secret if you post it on VMF! He stated he spent over $10,000 back then. 3/1 . Outperform many more expensive parts. Generator stud kit for 1938-48, use #8506. This is the Head Bolt Torque Sequence (Pattern) for Ford's small block. While the DZ 302 had a stronger midrange than the Boss 302, in stock form, the Boss reigns supreme in the higher RPM range. I passed over a different set of heads at the recommendation of my machinist. 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. We apologize for the inconvenience 351C 4V heads (same as Boss 302 heads except where the water exits the head) are really overkill a street motor. For high-performance's street and competition, our dual-plane design makes outstanding power from 1500 to 6500 rpm. 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. I used them with a Comp Cams 274XE cam and a QFT 600cfm carb. Batten of Romulus, Mich who did the furnance-blazed heads. Opens in a new window or tab. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Revised cooling system passageways Siamese bore with drilled coolant crossover holes (Except on M-6010-B302BB ) Increased bulkhead material reach with flat gasket seat. If I wasnt on a time crunch, I would have returned these heads. 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. Max effort class rule stuff runs over $2K. Help keep from being nose heavy. 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). Keep the RPMs under 5,500 and valve lift is more like. The Duntov cam that GM used in the DZ 302 had over 250 degrees of duration at .050 [inch]! Holdener explains. Would modifying the heads bring down the value of the heads? were designed to be 1-for-1 replacements for Boss 351 cylinder heads. That was a surprise.. Russell; COMP Cams; TCI Auto; FAST; E-Comm Sales: Sales: 888-799-1135 Tech: 800 . 88 DNA Motoring LEPOW-038 Aluminum Bare Angled Cylinder Head [For Chevy SBC 302/327/350/383/400] 3 Renegade Street. At RHP reasonably well ported (340+ / 200) set of iron heads with large S/S valves, manganese bronze guides, p/c seals, rocker studs and guideplates are $1,695 exchange. Fords incredible 1969-70 Trans Am BOSS 302. 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BOSS 302 ENGINE BLOCK| Part Details for M-6010-BOSS302 | Ford [IMG]http://home.pacbell.net/kketell/USAFlag2.gif[/IMG][IMG]http://a8.cpimg.com/image/56/2C/8548438-4e05-00C8003F-.jpg[/IMG]. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. FORD 5.0L/302 Crate Engines - Aluminum Crate Engine Cylinder Head Small Block Ford. Best 302 Heads - Our Top 5 Selection from 99+ Models Assembled. The winner in this evaluation is almost always the least-expensive head just because of the way the math formula works. At the brochure, the two engines are identical power-wise, according to Holdener, but we prefer to let the dyno tell us who makes what. We'd love to test 'em all, but we decided to line up as many performance small-block Windsor Ford heads as we could find, as long as they were available complete for less than $1,350 for the pair. The Edelbrock heads showed a little weakness in the midrange, something that could probably be rectified by adding a 30-degree back-cut to the intake valve.