Re: XJ year 2000 head question
Can you swap it. Yes. Should you, no. You live here in Cali too, and you will not pass emissions with the earlier head. It would be nice if you could because you would pick up some horsepower with it, but they redesigned the head to meet tighter emissions requirements.
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
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