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Makes sense that it would work, but I think the same result could be accomplished by just adding epoxy to each un-sanded runner to create a smooth surface.
Basically, add epoxy to the grooves (modified image from Summit):
Thoughts?
I sanded mine down and epoxied them. It doesn't cost much to do. There was a thread on the Corvette forum of a guy claiming 10-12hp from doing it. If it picks up anything it is worth it to me
I saw the same thread, so I was considering doing this as well. However, he does have over 100 cu. more than us, so I'm not sure if it'll make a difference.
I was also thinking about port matching my intake.
I saw the same thread, so I was considering doing this as well. However, he does have over 100 cu. more than us, so I'm not sure if it'll make a difference.
I was also thinking about port matching my intake.
I think that is the thread that I linked in the first post in this thread.
I am most likely going to have a FAST 102 ported and port matched to the heads that I am going to buy. I would really like to see what someone under 400 CID gained from sanding the outside of the runners.
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Sanding down the outside of FAST 102 runners? 
