| More oil bybass paths?? [message #285777] |
Mon, 24 August 2015 19:37  |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
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I was at Highway Stars over the weekend looking at some NOS Buick turbo parts on the shelf. The oil cooler adaptor is a "baby" version of the one GM used on the 455 Olds in a smaller form factor for V6 PF47/PF52 filter bases. I found the pintle type filter bypass in the pump exterior housing, which I imagine is a "baby" version of the Olds V8 type. The spring action is pretty gentle and that seems to be in keeping what has been found so far on the Olds. Then I started to study the screw on cooler adaptor and low and behold ther is another bypass valve on it that shunts the external hose loop. Do we have that as well?
John Lebetski
Woodstock, IL
77 Eleganza II
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