Re: Aftermarket gauges for stock inst. cluster
I don't want to start some sort of internet war. As there are many opinions out there, but I would look at other issues first. Is the current gauge reading accurate? Have you checked against a known good gauge? 90 to 100 PSI is a LOT of oil pressure. If my engine was truly making that much oil PSI when it is warmed up I would find out why and fix that. The problem with that much pressure is it heats up the oil and that causes the oil to degrade quicker. Hotter oil means a hotter running engine. There can be other issues including less horsepower and decreased gas mileage. Good luck.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. 
RIP Bob Parks.
1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo
If it breaks I didn't want it in the first place
The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377
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