Some people say not to on the 4.o. But I don't see why not. I always liked high volume pumps. Keeps the pressure up when the bearings wear
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Re: standard volume vs. high volume oil pump?
Some people say not to on the 4.o. But I don't see why not. I always liked high volume pumps. Keeps the pressure up when the bearings wear
230 hp 4.3L Chevy
Built 4L60E with manual lockout
Atlas 4 speed
Griffin radiator
On board air
Warn 9.5ti on custom bumper
7.5" RE front and bastard pack rear on custom long arms
30 gal gas tank
lockers
And a bunch of other stuff
Stroker Fever
Re: standard volume vs. high volume oil pump?
I've been running a HV pump for the last 50k miles without issue (knock on wood) so there's no reason not to run one, especially since the 4.0L engine (and the stroker on which it's based) doesn't have particularly tight bearing clearances even when new.
Just keep in mind that the body of a HV pump is bigger so you'll need to "massage" a small section of the oil pan with a ballpeen hammer to gain some clearance.
1992 XJ - 4.6L Stroker - AX15 - Sold 13/12/2016
202rwhp 258rwtq (248bhp 311lbft crank)
Jeep Performance, Jeep Tech, Junker to Stroker
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