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Old 07-25-2009   #5
Paul Workman
 
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Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,466
Default Re: Porting Brain Trust, Help!

Quote:
Originally Posted by 65ZR1 View Post
I wouldnt use any product to narrow the ports back down. Except for welding, there is now way I would trust the filler to stay there with the gas, air, heat and vibration. Just think of what that stuff would do if it ended up in the cylinder.
Amen!

Fer sher, I wouldn't use JB or anything else but welding. But, you will end up with a net gain regardless. If you have a die grinder, you can radius the edges of the primary ports on the heads - take less than an hour, and it might be worth a few extra ponies to boot?

P.
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