Isuzu 4JB1 Oil pressure

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GotFlex
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Posts: 653
Joined: Tue Jul 10, 2007 12:00 pm
Location: Napier

Isuzu 4JB1 Oil pressure

Post by GotFlex »

Hey guys
Just a question, what kind of oil pressure should the 4JB1 have at cold idle? Hot idle?
4th gear 50kms and full boost?

I have just started using genuine filters and notice a higher oil pressure 7-8 on the gauge until its hot, then sits halfway.

Whats normal? As i dont remeber it sitting so high.

Cheers in advance
SASed Isuzu Mu - hilux diffs, Rears up front, disc brake conversion, ifs hub swap, crossover steering, and legal!!!!
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Jezza
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Joined: Wed Feb 21, 2007 12:00 pm
Location: Christchurch

Re: Isuzu 4JB1 Oil pressure

Post by Jezza »

most diesels have high oil pressure while the engine is cold.
Normal for every isuzu I have seen
Isuzu Mu 3.1TD
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