Quote:
Originally Posted by taff2
Thanks for the pics thirdgen, my plan was to put a 3/8" ali plate between the manifold and the lid, with the 3/8" plate bolted to the manifold with countersunk allen head bolts, and then the Holley lid bolted to the 3/8" plate. (to save any welding or machining costs). Maybe a thicker 'spacer' plate would work, perhaps an inch thick, or perhaps just easier to buy the Holley base too!
Your first pic with the Holley base does look better from a flow point of view.
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If you're going to go the plate rout i would go with the biggest spacer you can fit. Better for straightening out the air for distribution. Mike leach had like 6" of spacer ... JMO