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Saving a 91 EGT

Discussion in '2nd Gen 1991-1996 1.8L DOHC' started by kTaLgsTo, Feb 11, 2020.

  1. kTaLgsTo

    kTaLgsTo FEOA Member

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    Current progress...
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    Emailed rockauto about pump snaffu, they admitted they had a catalog error and they don't actually sell an oil pump for my specific crank... They refunded me and said I could keep the oil pump.

    Took the oil pan back off, pulled the pump, tried to see if I could swap gears but this is a no-go.
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    The tolerances on the old pump still look pretty good, I am going to measure them and compare to spec in the book.
    Anybody know if the big nose crank and small nose crank oil pumps can interchange springs?? I figure the spring and piston is probably also a high wear item so I was going to swap them over from the new pump... But if they are not the same spring rate, I do not want to increase/decrease oil pressure to a catastrophic level.... If anybody knows if the springs are the same rate this would be cool... I know they do fit as I have already swapped without any visual issues...
    zzyzzx likes this.
  2. Joey_Twowagons

    Joey_Twowagons FEOA Member

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    Although they are often replaced, oil pumps almost always show very little wear. They are always bathed in oil, after all.
    zzyzzx likes this.
  3. kTaLgsTo

    kTaLgsTo FEOA Member

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    Issues over and over again from rockauto, they only sent me 15 lifters....
    Head is on, was going to install cams but this will have to wait, I put in a case and waiting on reply... Over a 6.00 lifter.
    Anybody know how much meat I can take off the head and block before I have to think about adjusting the timing?? Took .012 off the head and .007 off the block, so I am at 19 thousandths total...
  4. Joey_Twowagons

    Joey_Twowagons FEOA Member

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    Be careful with the silicone. I have inspected two engines that had been wrecked by it. Excess silicone can be squeezed out as drops inside the engine. These drops can fall into the oil, and can deform enough to get through the oil pickup screen.

    One ruined engine had the pressure relief valve jammed open by a silicone blob, while the other had a piece blocking an oil passage in the crankshaft.
  5. kTaLgsTo

    kTaLgsTo FEOA Member

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    Well, back together and getting no spark.
    I have checked:
    Timing, again and again and again.
    I verified voltage to the coil and the ICM
    Verified voltage to the distributor
    Checked grounds to the ignition harness, added extra grounding just in case
    Have plenty of fuel.
    Replaced the coil, and ICM with junkyard parts with no change.
    ECU seems to be okay because I get check engine and warning lights with key on.

    The distributor is brand new off rock auto, and I am wondering if it is faulty. It struggles to turn over with distributor plugged in, like timing is wrong. If I unplug distributor harness it turns over much easier.

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