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Discussion Starter #1
I am looking for some opinions on a good oval port single plane
for my 502, have an air-gap now, and I am changing to later on
give it some giggle juice...........:D
 

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Matt Held at Holley told me of a new intake for big blocks, but I can't remember if it was a Weiand or a Holley intake. He did say they found a good increase in power due to their new permanent mold process. You might give him a call.
 
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