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Discussion Starter · #1 ·
I've never installed such a thing, but I plan to install a pcm 4 less cooler and would like to install a gauge. What size is needed to fit in place of the SS plastic cap? Also, I like the look of the aluminum autometer gauge that has the silver backing, however I'm concerned it may be to bright at night. Any suggestions on which gauge is best? I assume they wire to any 12 volt source, however how does it get the actual reading? I've read about welding a bung inside of the oil pan, what size is needed? Thanks
 
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