400 Build Progress
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Laughing Gas
Joined: Aug 2010
Posts: 1,049
Likes: 230
From: Amarillo, TX
400 Build Progress
Finally got the block painted & some stuff bolted on!!! Going to paint all the accessory brackets red; going with a HEI distributor-the old one is just filling the hole. Also, in the last pic, notice the hole in the center of the head that the intake doesn't cover? WTF is it for & why does my weiand intake not appear to fit with it?
Laughing Gas
Joined: Sep 2013
Posts: 1,118
Likes: 103
From: North Idaho
I think you mean stock 2V heads?
The good news is since you have Tim's pistons, your compression is up where it should be and a new cam, even a mild one will get you over (potentially) 300HP. You are certainly not intake limited with the new (Chinese) Weiand, and the 670 Holley should be good enough for anything up to 400HP or so if properly jetted.
I really think if someone wanted to do a SERIOUS porting job on a set of M heads, you could use them on a 500HP build, but that's a lot of time with a die grinder when aluminum heads are available!
What cam did you go with?
The good news is since you have Tim's pistons, your compression is up where it should be and a new cam, even a mild one will get you over (potentially) 300HP. You are certainly not intake limited with the new (Chinese) Weiand, and the 670 Holley should be good enough for anything up to 400HP or so if properly jetted.
I really think if someone wanted to do a SERIOUS porting job on a set of M heads, you could use them on a 500HP build, but that's a lot of time with a die grinder when aluminum heads are available!
What cam did you go with?
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