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post #2 of (permalink) Old 01-04-2002, 06:22 PM
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Re: High oil pressure on CJ8???

Wierd, I always understood the 258 to have lower oil pressures. My Scrambler 258 rebuild w/75K runs around 20. The main bearings could be too tight, there could be a high-flow oil pump in there, or blocked oil passage somewhere. Of couse, I would go the cheap route first and hook a mechanical oil pressure guage with the plastic line in place of the electric oil pressure sender and confirm the high oil pressure. Then if it is that high, go talk to the rebuilder and see what he put inside the engine. I've never heard of a 258 having that high of oil pressure. Also, make sure there is regular oil in there and not gear lube.

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