Intake manifold deck height - 4V versus 2V

Back2Mustangs

New Member
Sep 2, 2004
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Umm, I feel dumb asking this... buuuuuuut ->

4valve 4.6 longblock versus 2valve 4.6 longblock: is the height of the intake manifold deck the same (ya know where the intake seats on the heads)? For example, pick a point on the block like the top of the block between the heads, and measuring vertically to the deck of each head where the intake manifold sits, is the distance the same?
 
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No. The 4V intake sits ~4.5 mm higher relative to the block.

Hmmm. 4.5mm isn't as much as I was hoping for. I've got a 96-98 Cobra hood on a 96 GT. I want to put a KB on 2valve heads but the power level I want is going to push the 2.1 to the limit - and the 2.6 requires a cowl hood. I don't want a different hood. I was just wondering how much extra room the blower really needs to clear the hood.