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    4.0 or 4.2 Cam?

    I recently joined the submarine club in my '89 XJ and wasted the 4.0. I was given a 4.2 out of a carb'ed '89 YJ. It looks as if the 4.0 head, manifolds, water pump and harmonic balancer will fit it. I'm going to keep the F.I. and renix systems. My concern is the cam, I saw the cam specs. at...
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    Non HO 4.0 to 4.2 Swap

    I did alot of searching but couldn't find the right answers. Everything I found was for the 4.0 HO's. I have a '89 4.0 XJ with compression of 50 psi, with oil added to the cyl. 150 psi. My nephew has a good running '89 4.2 out of a YJ that I could get for free. If so what has to be changed. If...
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    A Little XJ Hold'em

    I know when I open my moter I'll be gamblin' with the results. I just thought some others may want to play. Story: '89 4.0 190k on the clock. Water hole was the infamus "damn I didn't think is was that deep". I stalled out half way through it. Winched it out. Water in the air box. Slight...
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    Truss clearance

    I'm currently in the process of building a 8.8 for my XJ. I was just going to weld in the axle tubes and build a seperate anti-wrap mount when I surfed and saw the trusses. The way I see it I could use the top side of the truss to mount the top of my anti-wrap bar and put the lower mount on my...
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    Electrical no start problem?

    The saturday of Memorial day weekend I hit a crevis pretty hard with my front bumper. My '89 died. When I tried to restart it , it cranked, fired, then just cranked no start. Tried it many times, same thing. I had fuel in the rail. I don't know if I had spark. We disconnected the battery for...
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    I need an idiot light.

    Everyone knows about the increadable placement of the XJ alternators. I always carry a spare, but mine always craps out at the most inopertune time. I have a '89 Limited with a 4.0. It has gauges. The problem is when it does crap out I never notice it on the gauge till it's too late. What I want...
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    OBA question? A/C to Oba

    I'm in the middle of the conversion of my '89 a/c compressor to oba. What is everyone doing about lubing it. Just how much oil does it need? And does anyone know the free air CFM/RPM capacity of the Sanden pump, so I could match the system correctly? Guy
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