I've got a SOHC 4.6 sitting in a 95 Vic that I'm parting out and was wondering if that's a block someone would buy for a build? If it's not, I won't bother pulling the motor. I know the aftermarket for the 2 valve engines has gotten a lot better, but can a block that originally had single cam heads be used with DOHC heads by swapping timing covers and such? Someone help me out here. I'm strictly a 5.0 guy and don't know a ton about interchange between these engines and heads.
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Three50won
10 Year Member
- Jul 11, 2010
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The block can be used, however swapping the 4V heads to a SOHC block will cause a large decrease in compression because the 4V heads have a larger combustion chamber than the 2V heads. You can either use a 4V rod/piston set, or get a new forged bottom end with a piston dish that will give you a decent compression ratio. Other than that, you will have to swap over all the 4V accessories if you use the 4V timing cover...
Three50won
10 Year Member
- Jul 11, 2010
- 1,135
- 64
- 69
If they are PI heads then you could probably get $500 or more for the engine. That might be worth it. BTW, if the trans is there and you're not gonna use it then you might as well pull it and sell it also...
