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Old 01-13-2013, 09:29 PM
Craig Hendrickson Craig Hendrickson is offline
Pontiac performance Author
 
Join Date: Dec 2003
Location: Pahrump, NV, USA
Posts: 926
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Quote:
Originally Posted by Tom Vaught View Post
I remember that Pad.
Here ya go, Tom:



On my 1978 Turbo Macho T/A with 1972 455 engine (not the W72 engine), I had both a wastegate and a blow-off valve. I had the last generation pressure hat specially modified by Kern in order to fit the blow-off valve. It was on the other side of the hat than shown in the above picture. It was a belt & suspenders kind of solution to boost control.

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Craig Hendrickson, the "H" in H-O Racing Specialties.
http://www.OriginalHO.com