Originally Posted by 340SIX
How long are the carburetor bolts? 5/16x1"?
And is the vacuum port I assume is 3/8 NPT with 3/8 nipple for 3/8 Hose?



First off what "sixpack" manifold? A,B,RB,HEMI, early/late? Edelbrock, Weiand, Offy? factory in-line style, tunnel ram style, STR? lots to chose from?