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mooney265 mooney265 is offline
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Join Date: Sep 2008
Location: New Orleans
Posts: 1,365
Originally Posted by Jeff NJ View Post
Is there any over boost protection on your 79? Something has to be telling your relays when to energize, no? How did that system work before the yellow relay was introduced?

Edit, just re-read your post. So the red relay in the engine bay was replaced by the yellow one in later years? Maybe it's just poor connections if it isn't a bad relay?
For this purpose I have 3 relays: 2 at Fuse Box and 1 at engine bay. They are all Red or Black Model: 911-615-108-01

I've changed out all of them and still have the same issue.
LIVN80S - - Red '79 Porsche 930 Steel Slant Nose Conversion [in 1987] w. 46k miles 3.3L; 964 Cams; K27HF @ 1.0 BAR, with Garrettson Intercooler; Rarly Zork; CIS Flowtech Fuel Head & BL-WUR.
Old 03-18-2018, 08:39 AM
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