SBC oil pump pressure relief/bypass thingy !? - Reply to Topic
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Topic Review (Newest First)

  • 05-01-2011, 10:17
    satan
    naturally youve spoken to the "builder" about this, and no doubt he,s keen to put it right,
  • 05-01-2011, 09:45
    Kustom Jim

    I aint done nuffink!

    Quote Originally Posted by Col View Post
    What's he damaged? (just to be nosey)
    The engine was a '400hp' 355ci SBC mill Smax Smith built for me.

    Sadly the block had at some time suffered catastrophic damage (imo) between the centre cylinders
    (looks like a big chunk of the casting broke off).
    It was then repaired with some form of brazing.





    A thousand miles in and the 'repair' gave way and flooded the adjacent cylinders with coolant
    (I havn't poked at the repair, that's how it was discovered).

    Shame really as the new stuff that had to be 'bought in' looks real peachy.
    Scat rods, KB pistons, balanced etc.

    cheers
    KJ

    ps we've already discussed the block and it's not rare enough to be economically repairable.
    Hang on! why was it even attempted
  • 04-01-2011, 18:09
    Col
    Quote Originally Posted by stueeee View Post
    BTW, even more more of a b*stard that your block's damaged as it's a four bolt main job.

    What's he damaged? (just to be nosey)
  • 04-01-2011, 09:46
    stueeee
    As the others have said it's the oil pump drive. If you had the distributor in place the driveshaft would only have a small amount of endfloat and wouldn't be able to drop out of the drive slot in the oil pump.

    BTW, even more more of a b*stard that your block's damaged as it's a four bolt main job.
  • 02-01-2011, 19:43
    LUCKY777
  • 02-01-2011, 18:00
    satan
    IT SHOULD BE LOCATED IN THE GROOVE JIM, BUT SEEING AS WHO BUILT THE ENGINE, YOUR LUCKY ITS IN THERE AT ALL,

    PS, ITS THE OIL PUMP DRIVE SHAFT LOCATING SLEEVE.
  • 02-01-2011, 17:54
    Kustom Jim

    SBC oil pump pressure relief/bypass thingy !?

    Howdy,

    no big deal as just poking my dead mill with a stick and wodering why this (darker grey) thing moves up and down the shiney bit



    Blocks obviously downside up so it'll probably cover the goove and slot !?

    cheers
    Jimbo

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