Question about 1994 Isuzu Trooper
Pretty much dosen't matter which engine or manufacturer you are talking about, minimum pressure on a good rebuild should be at least 30psi at idle when completely warmed up.(I'd be happier with 40) If it were a used engine with lots of miles you could get away with 15 or 20, but with everything new, I'd be concerned if lower than 30.
Posted on Jul 13, 2009
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Posted on Jan 02, 2017
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