Hey guys I as woundering is it possible to put 351 windsor m, or cleavland heads on a 302?
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1989 mercury grand marquis gs / 2014 ford focus s daily driver
302 lopo with ho upper/ aod with trans go shift kit
k code 3:55 posi rear/big brake swap tow package car
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Windsor heads, yes....
They pretty much bolt on, except you need special stepped bolts or washers, because of the size of the bolt holes in the heads (1/2" for 351W, 7/16" for 302)
cleavland heads....well....i think there IS a way...1983 Grand Marquis 2Dr Sedan "Mercules"
Tremec TKO conversion, hydraulic clutch, HURST equipped!
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Only if you had a smaller signature
At least put them side by side2000 Grand Marquis LS
2000 F150 XLT 6 inches of lift.
1987 Bill Blass Mark VII - Sold
1985 Mercury Grand Marquis Colony Park- SOLD. to a little old lady
Mercury Owners Group member
Save The Whales, Restore an Old Station Wagon!!Comment
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Cleveland heads can go on a windsor...hence the saying "clevor". As far as i know you need to drill and tap different bolt holes in the block. Also you need a special intake for a windsor using cleveland heads.
2009 Ford F-350 6.4 powerstroke diesel. 1977 Ford F-150 built 300 six, 5 speed trans. 1976 MG MGB roadster, 359w, t5 5 speed. 1996 Kawasaki ninja ZX6R.
My rod is glowing, my bead is clean, my middle name is acetyleneComment
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Done a few of the C heads on 302 and 351 w. The 2bbl C heads kick ass on a 351W .Scars are tatoos of the fearlessComment
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You do not touch the block, only the heads. You can run an adapter or complete intake from Price Motorsports or another Clevor intake. I have a Boss 302 intake that I am going to run with Cleveland 4V heads and a Price adapter on a stroker 351W.Originally posted by MercmarquisComment
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The special stepped bolts or adapter washers are apparently not that important. Eventually I'll be doing this as well, 351W heads on a 302, and the consensus I got was that those spacers really don't matter. Apparently the late model Explorer 302 had heads with bolt holes bored out to the larger 351w size and they were assembled from the factory with no spacers.86 Lincoln Town Car (Galactica).
5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley
91 Lincoln Mark VII LSC grandpa spec white and cranberry
1984 Lincoln Continental TurboDiesel - rolls coal
Originally posted by phayzer5
I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers
Everything looks like voodoo if you don't understand how it worksComment
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With a stock motor you would probably never have a problem. With a performance build, I would spend the couple of bucks and get the washers to more solidly locate the heads. Yes, the GT40 heads on the 96 Explorer motors had 1/2" holes and the 7/16 bolts did not use a stepped washer.Originally posted by gadget73Comment
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Remember the "hemi" mountain ford big block? Well what about a small ford hemi? just curious?
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You must be talking about the Stroked Boss 9 based motors with the crescent chanbers machined into a hemi......Originally posted by capridrifter
You can get 4valve heads for SB Ford, but it really isn't worth the cost and effort.Comment
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I will try to get a pic but I cant be sure if I could find one. the one I am thinking of is a dohc 428 or a 427 not sure? But it was used for stock car racing.Comment
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The SOHC 427 was not a mountain motor. It was 427 cubic inches. It had a single camshaft per cylinder head. It was Ford's only true hemi headed engine. It was deemed illegal for NASCAR because it was not a production engine, so they could not use it for stock car racing.Originally posted by capridrifterComment
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Is he maybe talking about the boss 429? I know they had hemi-heads too, but they weren't a mountain motor.Originally posted by capridrifter Remember the "hemi" mountain ford big block? Well what about a small ford hemi? just curious?Nick
88 Colony Park LS
G-pa's old car, but he's cruisin around heaven in his 69 wagon now
Future plans:Semi HO conversion, or Explorer motor swap, shift kit, PI springs and sway bars, KYB-GR2 shocksComment
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Originally posted by 88MercWagon
The Boss 9 had a crescent shaped chamber, not a true hemi shaped. For drag racing, they machined the chambers out to a full hemi style. 429 cubes ere used for NASCAR racing. There were mountain motors used in drag racing based on the Boss 9. Bob Glidden ran one as did other Pro Stock cars and cars in other classes and vehicles.Comment
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I cant find pics so I think he's right and it is a sohc. I still yhink that it would be kinda cool for a older small ford to be a sohc or dohc IF it is possible anyway.Comment
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