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Oil filter adaptors.

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  • Oil filter adaptors.

    A little tid bit of info I found out the other night.

    I was comparing my 2.8 S-10 block and oil filter adaptor to my '95 3100 and Chris' (14secdreams) 2.8L FWD block and oil filter adaptor.

    It seems there was a change at some point for the position of the oil pressure bypass, on the 2.8L RWD block it is installed in the oil filter adaptor housing, while on bith FWD engines I have access to, it is installed in the block itself.

    So this may be useful for some one planning on swapping a FWD block for a RWD block or vise-versa (common with Fieros), I can't tell if this is a year change or a generation change, at least not at this point.
    James: 1985 GMC Jimmy, 3.2L turbocharged, intercooled hybrid 13.873 @ 99.08 218HP & 270FT/lbs @ the wheels
    The Daily: 2000 GMC Yukon
    1973 Datsun 240Z: Turbo intercooled LX9, running on '7749 with $59 and DIS. 12.71 @ 115

    "If you're not living on the edge, You're taking up too much space."

    Still waiting for the 1st or second Ostrich I was promised, from Paul.

  • #2
    Yea on my Camaro engine the valve was in the block and on my original 1993 oil filter adapter it was inside the adapter itself. Both RWD iron head engines of course
    1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
    1990 4Door, 3.2L V6 TBI, 5spd manual. 4X4. Trooper
    Because... I am, CANADIAN