OEM 4V cam specs
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Laughing Gas
Joined: Feb 2003
Posts: 1,234
Likes: 3
From: In the woods of Oregon
OEM 4V cam specs
I have been looking for stock 4V 351C cam specs but can't find any. Can somebody help me out. Thanx. Any and all years if you guys can please. Thanx.
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Laughing Gas
Joined: Feb 2003
Posts: 1,234
Likes: 3
From: In the woods of Oregon
ok, this is what I have found so far. 71-74 4V cleveland oem cam adverised duration of 287/307, lift 480I and 490E. Haven't found the lobe sep or amount of ground in adv. Also looking for .050 duration figures. Keep you posted with what I find.
Posting Guru
Joined: Dec 2002
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From: chicago burbs
on p10 of Tom Monroes book, it only gives lift figures though. hydraulics; 70-72 4V, .427"/.427" at valve. 71 CJ, .480"/.488" at valve. 73-74 4V, .480"/.489" at valve. mechanicals; 71 Boss, .290"/.290" at lifter and .477"/.477" at valve(.0247" lash). 72 HO, .298"/.298" at lifter and .491"/.491" at valve(.02454" lash)
Senior User
Joined: Sep 2004
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From: Stanton,Ne
We found a book at a Champion Auto store called How to rebuild the 351c engine or something along those lines. If I remember right it gave full specs on all 355 series motors. I can't remember the company that put it out but the guys who wrote it were old drag racers or such. It was a pretty complete book and had all kinds of little tips to build horsepower and keep it alive at the same time. If I can get a hold of my buddy I'll see if he still has it and post the title and publisher here.
Posting Legend
Joined: Sep 2001
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There is a listing in the Ford Performance book by Pat Ganahl available here:
http://www.motorhaven.com/product.ph...&cat=44&page=1
http://www.motorhaven.com/product.ph...&cat=44&page=1
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Laughing Gas
Joined: Feb 2003
Posts: 1,234
Likes: 3
From: In the woods of Oregon
I got most the specs 287/307adv, 206/221@.050, .480/.490lift, 114ls, 109 intake centerline. The difference in the intake and exhaust durations shows the clevelands intakes ability to outflow the exhaust side. Thanx.
