351m performance
Senior User
Joined: May 2004
Posts: 207
Likes: 0
From: Wisconsin
351m only had about 160-170 hp stock when new, so if it has any amount of mileage on it i would say probably not. lots of things you can do to increase hp/torque, including rebuilding it to a 400. all that is required are different pistons and crankshaft. lots of other performance upgrades are possible as well that will get them tires smokin'.
Laughing Gas
Joined: Aug 2004
Posts: 964
Likes: 1
From: Roseburg, OR
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Senior User
Joined: Nov 2005
Posts: 429
Likes: 0
My stock 79' 351M smoked 35's....but not anymore....now its smokin 36's with a decent cam, roller rockers, double roller timing, mild porting, and edelbrock manifold. o yea, and a 4 degree advance...as well as a full MSD off road ignition and distributor.
Last edited by father/son; May 1, 2006 at 07:41 PM.
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Elder User
Joined: Jan 2004
Posts: 867
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From: Eastern Pa
Smokin' tires may impress some, but does it go? Will it snap your head when you shift hard? Will it set you back in your seat as you accelerate hard? The answer to these and more questions of a stock 351m is no. Is this engine a dog? In stock trim it will take a bone and just about bury it. The good news however is, Underdog is here. Only 25 some odd years since the last ones lumbered off the assenbly line people have finally put some smelling salts under it's hood and found there is a real animal in there just waiting to be let out. 
