1971 buick 455 engine

Discussion in 'Parts for sale' started by vps1114, Sep 30, 2012.

  1. vps1114

    vps1114 Well-Known Member

    yes!! i still have the engine for sale

    ---------- Post added at 10:49 PM ---------- Previous post was at 10:46 PM ----------

    hey jeff....i don't know how it happen, i got thr 455 eng 7 yrs ago
  2. 69GS430/TKX

    69GS430/TKX Silver Level contributor

    Thanks for the reply, Vince. I was just reading about how valves can in some cases hit the outer edge of the piston, if there is insufficient clearance. I was wondering whether the result was like we see in that picture. My setup may be close to doing the same thing. (ouch)
  3. SportWagonGS

    SportWagonGS Moderator

    That is very typical of detonation, seen it many times
  4. Jim Weise

    Jim Weise EFI/DIS 482

    Yep, Kurt is right. That's what happens to a cast piston under detonation. No valve contact there.

    Better than what happens to a hyper piston, they explode.

    You have to really try hard to hurt a forged piston with detonation, most times you take out the rod bearings first.

  5. Rob Ross

    Rob Ross Well-Known Member

    I may have found one locally and I should have looked to see where you're at, we're pretty far a part. Thank you.

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