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  1. YJ928

    Any idea where this odd noise might be coming from?

    I'm trying to figure out this odd noise. If anyone recognizes it; please let me know. I have pulled the alternator and belt with no change. My next move is to remove the water pump/power steering belt off to see if it makes a difference. If so then put the belt back on and remove the fan...
  2. YJ928

    YJ 4.0 Oil Adapter?

    Hi. I'm trying to locate a YJ 1991 4.0 oil filter adapter to this long block 4.0 I'm swapping into my 87 YJ. I don't know if there was an adapter in the 4.2 I should have removed but it's gone back as a core so I can't retrieve it if there was. I'm thinking it should look something like Chevy...
  3. YJ928

    Which Header Pipe on a 1987 4.0 Swap?

    I'm swapping out my 4.2L and going with a reman 1991-92 4.0. I think I have everything I need except the header pipe. My 87 doesn't have a cat so I don't need the flat plate on the end of the header pipe that's available for that year 4.0. On the other hand the 93-95 header pipe has a flange...