There was dust and paper bits all over the keyboard and screen!! The most notable thing about the Flo-Tek heads available through Speedway Motors is the pricethat's $739.98 for a complete, ready-to-bolt-on pair of aluminum heads for a small-block Ford. Cover Autolite 4V casting D0ZX9B48-3 . My first ever computer was an HP Pavilion PC, and theyve always been my favorite brand since then. Factory was1.73 IIRC. 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. Not all that long ago, the small-block fan's only choice for Ford cylinder heads was the classic 351W Ford heads swap on a 302. Here you can see exactly where each engine outshined the other, and by how much. We certainly don't want to ignore the peak numbers, and that's where the TFS Twisted Wedge heads really earned the spotlight. This makes it easy to torque and lower cost for better aftermaket bolts and studs. 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. JavaScript is disabled. When the vacuum is high, the intake is sucking oil through the valves. Looking at the graph, it looks like the DZ 302 actually outperforms the Boss 302 from 3,700 rpm until 5,800rpm. They had to combine a four-inch bore from a 327 block with the three-inch stroke from the 283, Holdener elaborates. Something is very wrong with this, a blueprinted stocker should be in the 375-400 HP range. Our FDC has over 150 racing members and FORD promised us Hubert Platts Drag Mustang after series which disappeared. 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? This is the Head Bolt Torque Sequence (Pattern) for Ford's small block. Pair. 1970 - D0ZE-6090-A or B. That's what the TFS Twisted Wedge heads did here. Bob Perkins(WI) located it and restored it to original shape and build special plexiglass trailer for it to display. 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. Turbo 300-inch Ford can bang off 10.90s at 120 mph. Ford has always been a car company that dared to go where no automaker had ever gone before. Remember this correction adjustment is approximate and is only meant to get you close for the initial start up of the engine. This conversion was well documented and fairly popular when aftermarket heads were not available. You might even be able to get some rejects since you'd be cutting them up and remaching anyway. Dells are ok computers. detroit metro auto parts "302" - craigslist . (Image/Jim Smart) Although these are 1969-70 BOSS 302 heads, they []. Im trying to leave this pretty much as is, until I get a few good drives in. So it can already be made to haul. The Boss used a mild camshaft, mild compression, and lots of head flow, Holdener says. In the 1960s, Ford was an outspoken car company, much as Pontiac Division was within General Motors. To clear up a few questions, the combustion chambers are 60cc, not 64cc. Above you see a casting with a D1ZE part number. The Twisted Wedge heads also had the strongest horsepower curve above 4,000 rpm of all the heads tested. 1/23 . Combine Edelbrock quality with excellent power and a highly competitive price, and the E-Street Edelbrock heads strike us as an excellent choice. Don't know what the compression ratio would be with those pistons you mentioned but don't forget the HI-PO 289 produced 271 horses with 10.5 compression. However, Ford already had that architecture in its lineup, while Chevrolet did not. These are perfect for the low compression big blocks of the mid to late 70s. Seems to me that if you get the right kit (ie correct wrist pin centering, rod length, etc), you should have no problem.. aliases: Bossssssman, bosscars, old fart, chat dawg, hey you. which de-stroked it. one of the hotrod magazines did an article on the combo back in the 70's. These heads are really impressive!!!!!! When you do that, you can see that the TFS head did substantially better than all the other heads above about 4,400 rpm. OK, you can do pretty well on a budget. For high-performance's street and competition, our dual-plane design makes outstanding power from 1500 to 6500 rpm. from United States. 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. 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. The holes are just big enough for the spark plug socket, which guides it in perfectly. [The Boss] cylinder head came about after Fords experience with the tunnel port cylinder head where they learned lots of head flow equals lots of power, Holdener relates. 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). Swirl Remarks CHW's Modified Boss 302 head shows the elimination of a swirl effect at lifts below .600 inches. It would make a nice high rpm engine that was pretty soft on the lower end where you spend the most time. 45 degree spark plug wires work great with these heads. These features improve an engines efficiency, resulting in more horsepower and torque and improved mileage potential. Using the native mouse is awkward. THE NEXT ISSUE IS THE RECOMMENDED INTAKE GASKET FEL-PRO 1262. 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. . The 68 F code had 10:1 compression and made 210 bhp. The E-street came in second in peak horsepower and a very close third in average horsepower and torque. The brute 427 FE Series big block that won Le Mans also reigned supreme in limited production 1964 Thunderbolt Fairlanes in NHRA competition. Luckily I had the tools to put them back on but this could have been a issue and made them not bolt on heads. Today's small-block Ford street engine builder has it easy. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. 1.290 in Spring. Always interested in how things work, he enjoys sharing his passion for automotive technology with the reader. The darned thing was rabid dog fast. Topping off the Boss 302 was a specially designed aluminum dual-plane intake manifold mounting a 780-CFM Holley four-barrel carburetor, covered by a closed air cleaner assembly with a single inlet snorkel and a ribbed, domed lid that was also chrome-plated. stock rebuild,. edelbrock. Edelbrock E-Street cylinder heads are just the ticket. I have a Eldabrock Performer intake,msd distributor and 6al box and a 61mm bbk throttle body. either way, Im so thrilled with this product that im picking up the 205s for a fast engine build. [IMG]http://www.dslextreme.com/users/jbooth/sidenew1.jpg[/IMG][IMG]http://www.dslextreme.com/users/jbooth/enginenew1.jpg[/IMG]. . The stroke difference between the two engines amounted . 302/351 X2 Head. I am presently installing a 302 clevor into a 83 mustang GT. The Cleveland style head featured a staggered, canted valve arrangement. FORD and Mustang Cylinder Heads (6090) 5752143: 59 332 352 . A factory high-rise dual-plane intake manifold was used, with one part not period-correct. 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. 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 compression ratio is 8. The Boss 302 and 351C-4V head casting are the same except for a minor difference in water passages. Batten of Romulus, Mich who did the furnance-blazed heads. 030 AND 2 OF THEM WERE. Why would you build a 302. Ive built 302/347 engines with stock heads, Roush180/Windsor Jr. , and Trick Flow Twisted Wedge heads. reach with flat gasket seat. Great option. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. the engine was called a "boss 289" not a clevor, a clevor was a 351W with 351C heads and a custom intake. 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/. When the SCCA started the Trans-Am series. Edelbrock E-Street cylinder heads are just the ticket. 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. Bought these and compared to the other (PC). 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. As the 1968 Tunnel Port engine turned into a disaster, someone at Ford Engine Engineering got the idea to put a set of Cleveland heads on a Tunnel Port block and thus was the beginning of what would become the BOSS 302 engine. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! D1ZE service block and aluminum rods. Boss 302s did indeed have 1.73 ratio rockers from the factory. 64cc Volume. I first installed an oil trap in the PVC thinking something went wrong with the piston rings. They dont flow as well as some of the more expensive options available but they flow way better than OEM cast iron heads. Dimensions in Inches (LxWxH): 24.1 x 24.1 x 8.7. A big head and lots of airflow means lots of power. ported and polished heads can also provide good results, but they may require more work to install and tune properly. The F code 302-2V was made from 68-73. Thesecret to a long life stroker is to add wieght to the crank so you can exterally balance @ 28 oz. What I have found out so far, the engine runs. 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. http://forums.vintage-mustang.com/vintage-mustang-forum/721154-1970-mach-1-h-code-build.html. So, instead, they ran a simple 750cfm Holley carburetor, along with 1-3/4-inch dyno headers. At idle when vacuum is the highest the valve guides leak lots of oil into the intake. The heads alone are excellent fit and quality. The results of this test didnt really surprise me, except for one thing, reveals Holdener. 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Revised cooling system passageways Siamese bore with drilled coolant crossover holes (Except on M-6010-B302BB ) Increased bulkhead material 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. So the induction system is kind of a toss-up. Sizemore, formerly of Preperation H fame, did considerable valvetrain developement and terrorized the former checvvy stronghold of I and J/Gas. This has been done and is generally called a Clevor (using Cleveland heads on a SBF). They are rugged and ribbed internally and externally for more strength. But for the rest of us, choosing a cylinder head might be a complex algorithm of price, power, brand loyalty, ease of installation, head bolt size, and maybe even shoe size if you're that compulsive. Especially for the price, I would buy them again in a heartbeat. Does anyone remember the six cylinder heads they made for Bruce Sizemore. AIR FLOW RESEARCH 1402 SBF 165cc Alum Heads Renegade Street 58cc. Feb 19, 2016. This engine was built in the 80s by someone with way to much money. Have a 70 351 4v stored 25 yrs 50 k miles complete minus carb dist has manifolds 1800. never lube the seal lip ? It ran a regular head that was tweaked (either before the slicing or class requirement). Ah now Plummer - it's not a secret if you post it on VMF! A tad shorter then a 351W but a little wider due to the size of the heads. would love to return this old jalopy back!!!. Both these motors were factory-rated at the same 290 horsepower, but that number is suspect, says Holdener. 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. Peak power was good, at 349 hp, and torque is also reasonable. 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 . Next, we test a low-rpm cam and a high-rpm cam in the same engine to demonstrate the power differences. We apologize for the inconvenience Ford Racing teamed up with Jon Kaase to redesign their 429 Cobra Jet cylinder heads, and the results are these Super Cobra Jet heads. Though peak horsepower is a quick reference point for evaluation, we prefer to use average power in these comparisons because it always produces a better picture of overall performance. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4in. 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. Cylinder Head 190cc Assembled. They cut the center two chambers from three Boss 302 heads then welded them together to form an inline six head that bolted on a 300 block! These heads have the right size valve for those piston. 22-25 Ft/Lbs - Iron Heads. Not only did the TFS heads produce the most peak power, they also logged the best average torque and horsepower. We will admit to you our results on the dyno were disappointing304 horsepower and 288 lb.-ft. of torque. Future availability is unknown. We had a grad student at UMR custom design his own crossflow head for that engine and the entire thing was CNC'd from one piece of aluminum. 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. And torque is what gets the car moving from a stop, pushing you back in the seat. I think I have seen afrermarket heads but cannot rememmber where. 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. This could easily cause a hot edge and create premature detonation of the charge. Top Rated Seller Top Rated Seller. Flashing in ports was unacceptable. To minimize the grief of doing the math yourself, we averaged the horsepower between 3,000 and 6,000 rpm, then divided that into the cost of a pair of heads. Build your own custom newsletter with the content you love from EngineLabs, directly to your inbox, absolutely FREE! 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. All rights reserved. 154-3607: SB Ford 289-302 standard 12pt Head Bolt Kit. The J code 302-4V was only made in 68. The GT-40 cylinder head was produced in cast iron and aluminum, available from Ford Motorsport SVO and Ford Racing. Would it mess with the computer really bad. Edelbrock E-Street cylinder heads are ideal for entry level street performance engines. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! Cheaper than some rebuilds. So, a big head, lots of camshaft, an aluminum intake, and a Holley four-barrel. 040 roller short block A little lope at idle but it pulls everywhere in the rpm range. 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. If ultimate power is not the most important point, then you could easily choose any of these heads and make a good decision. ONE WAS OFF BY. Edelbrock E-Street cylinder heads are just the ticket. THe new heads will have the same bolt-pattern as the original 6. If I wasnt on a time crunch, I would have returned these heads. Intake - 2.23 inches The BOSS 302's biggest shortcoming is port sizing, which is something Ford has rarely been able to get right. Fords classic 1969-70 BOSS 302 engine was a bold step forward after a miserable season in 1968. The BOSS 302 Registry is not affiliated with the Ford Motor Company. No mention of those holes in the instructions. Expensive mistake. Aluminum. No drilling is required since it appears they updated the manufacturing process to eliminate this need. Yates? 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? Also, the visual aesthetic is pretty plain, and the laptop doesnt have a sleek feel to it. 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 - 1970 Boss. You are better off buying model 5023 with 1. You'll notice that we attenuated the horsepower graph to include just the power curve between 4,000 and 6,200 rpm. Ford New Boss 302 w/351C HDS Hex Head Stud Kit. Fords great success with its powerful V8 engines is legendary. 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. Yes you can bolt the 351C heads to a 289/302/351W block. The 69 and 70 F code 302's are rated at 220 bhp. 2023 Power Automedia. Fits on Dodge ramcharger, monaco, w100 series, sierra, pioneer, d300 pickup, d100 series, custom. 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). Renegade Street. Classes? Renegade Street. Alum. The spark plugs are also positioned well, and I cant foresee any interference with any headers. The less you know the more you need vacuum secondarys. A stock 1970 Boss 302-spec solid, flat-tappet cam was used and offered a tad over .500-inch lift and 228 degrees of duration at 0.050. Cylinder heads casting ID decode for 260 289 302 351 390 406 427 428 429 460FE Boss Shelby. Theyre fully assembled with valve springs, retainers, locks, guideplates, studs, and seals. Won't work with the 289 stroke. You would need a Boss 302 manifold for the intake. I think it was Bruce Sizemore that ran an H/MP Maverick that held the class record for a while during the 70s. 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. Rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics. A guy near here used the advice on the link below, starting with a 67 289 2V engine. . Street Cruiser Cylinder Head. Today, the aftermarket lineup of Ford cylinder heads has plenty of castings from which to choose. I wanted to built a great runing, mild street motor around a stock sbf 302 short block. 58 cc Chamber. "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 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. I figured the Boss would make peak power. Required fields are marked *. I SENT THEM RIGHT BACK. 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. 1.73:1 rockers, 522 lift 292 duration nets 420 HP at 6300. 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. The runners are as cast and a bit rough. The Ford heads did well during the testing, making a peak of 362 hp. Back in the day, there was all kinds of speculation that they made more than 400 horsepower. Boss 302 is a Windsor engine; uses Windsor cam lobe profile & 1.6 Windsor rockers. It didnt conform to corporate protocol and invented the muscle car in its 1964 GTO. To conceive the BOSS 302, Ford had to develop a special forged piston with a significant dome that would reach deep into the 351C heads 64 67cc chambers. We got our answer. saw a pair of Boss 302 heads online for $400 and thought why not. Street 512 Mopar motor in a Dodge Dart . BluePrint Engines stand in front of the class, offering both performance and cost-conscious enthusiasts a powerful alternativeMuscle Series cylinder heads. Click to expand. This made-in-the-USA head is Edelbrock's value leader. So Im into changing springs, retainers, locators, etc. The supplied ones are generic and poor fitting. While the tunnel port wasnt a complete success, thats how the Boss heads came to be. 69 Boss 302 Mustang & Cougar . they mandated a 5.0-liter displacement limit. Ultimately, the best cylinder head for your Ford 302 will depend on your specific goals and needs. . 1969 Intake - 2.23 inches Exhaust - 1.72 inches. It was the most expensive of all the heads we tested. Having a hard time finding Boss 302 Heads online? Pic 3 shows what looks like an area of casting slag that was missed when they were cutting and cleaning out the valve seats and runner. I was trying to find a set of heads that will produce 300ish hp. Our test heads came with the larger intakes that clearly contributed to these heads' strong showing. D. Hearne is on the money as usual. We evaluated each head on the flow bench, average overall power, and we calculated average horsepower-per-dollar. Do the torque in 2 steps, first just hand tight, second with the torque wrench. Still have lots of racing Boss and Hipo parts. Get big power on a small budget with BluePrint Muscle Series cylinder heads! The Edelbrock #5073 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. Exhaust - 1.72 inches. Typically these are seen in three different versions as shown. These Ford cylinder heads all feature between 170cc and 180cc intake port volumes and offer excellent performance potential over even the best production iron 5.0-liter heads. That puts lift over .500 inch .514 according to our calculations, minus the lash, Holdener reveals. 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. This is where you must spend the money. To complete the Boss, we added an Edelbrock Performer RPM intake, a Holley 750-cfm, mechanical-secondary HP carb, MSD distributor, and a set of open dyno exhaust headers, and we were ready to rumble. Cylinder Head. The BOSS piston was a unique item, configured to use the 289HP rod with the 302 stroke. These heads feature A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. And like the others mention, it was C.J. The BOSS piston was a unique item, configured to use the 289HP rod with the 302 stroke. 60 exhaust valves. Experimental Part . 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 . 1.90/1.60 in Valves. Meaning, their AQL is very low. 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). JavaScript is disabled. 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. Help keep from being nose heavy. good luck with that. Plus, they give you more power behind the wheel and in your wallet! The cam featured 290 degrees duration and .477 in (12.1 mm) of lift. can I send the stud kit back? 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 . The Cleveland type heads are used in the 302 heads. Pic 2 is a spot next to a water port on the intake surface where it looks like the facing tool tilted some. You will need the boss piston to go with the canted valves.. No. . Your email address will not be published. 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. Index your plugs on these engines. 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. i knew a guy that put a set on his 65 shelby. Stroking an engine is not going to reduce your engine rpm. A forum community dedicated to vintage Ford Mustang owners and enthusiasts. These ford flathead cylinder heads feature original edelbrock script logo design for fords and mercurys. Cast from prime A356 T6 aluminum, these "Z" heads from Ford Racing were designed using solid modeling technology. My fault for not setting the intake on the engine to check my end gaps. installed the heads on a 1978 460 bored out .060 over went from 500 hp to 551 hp @4900 rpm on a dyno 8/9/19. If you used windsor heads its not a BOSS. 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. Both companies decided to develop a 302 combination via the previously mentioned four-inch bore and three-inch stroke. 88 DNA Motoring LEPOW-038 Aluminum Bare Angled Cylinder Head [For Chevy SBC 302/327/350/383/400] 3 SBF FORD Aluminum Cylinder Heads 302 /351w 190cc 62cc 2.02 /1.60 For ROLLER CAM. I recommend purchasing ARP studs and guideplates for perfect rocker alignment. Did you get them at a Chevy garage sale? The heads are a direct replacement for previous Twisted Wedge heads and work with all Twisted Wedge specific pistons. 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 ! 1970 TRW developed these pistons and suppled Ford with them for both racing and production engines. I think the higher RPM one had larger valvesand ports, right? 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 .