Thread: Questions on 383 SBC build

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putting an divider in the plemun of the other single plane manifolds has always been a trick-you can even buy spacer plates with a blade on them-varing the length changed reaction just about like cam timing and/or header lengths

Originally Posted by jerry clayton

putting an divider in the plemun of the other single plane manifolds has always been a trick-you can even buy spacer plates with a blade on them-varing the length changed reaction just about like cam timing and/or header lengths

It's a two bolt main block. I ran a 383 two bolt back in the 90's at about
450 HP never a problem. Was told two bolt good to about 500 HP, but that
was just someone's advice to me. As for the performer intake, how many rpm
is it good for.