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SAABOTR cracked open again
Posted by Vince T [Email] (more from Vince T) on Wed, 19 Dec 2001 18:42:56
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Monday afternoon a friend and I get the engine out of the car. Last night I stripped the block down and today brought it to my engine builder.
Immediately, he removed piston/conrod #2, the source of the rattling noise and the one with the scored bore. The conrod was moving around way too much on the wristpin, Larry noticed that immediately. Also, above the ring on one side, a bit of gouging out of the piston itself. And also on that side (IIRC), way too much scoring on the piston's side. Ugly stuff, Larry was not impressed. I believe we both used the word "fucked". Also, one of the wristpin clips was trying to work itself out, as the wristpin was banging away at it, and part of the ridge where the clip goes in was beat up, bent upwards.
The Larry put the rod into a small vice and tapped the pin out. I held my hand underneath and out popped...half of the pin! DOH! Managed to crack it in two, or at least fracture it enough so that the force of the punch and hammer getting the pin out broke it in two.
So, ugly stuff. Larry was saying it was down to detonation, perhaps 9:1 was too high a CR with the bigger valves and such on the 2.3 head.
Now he's going to look over the rest of the pistons and also we're going to look into the wristpin itself to see if it was bad already or what. I think the other 3 are okay, but we'll find out. If it requires new pistons all around, or if we can just get another from JE, whatever, I'm going to get Larry to machine them down to get 8:1 or lower.
And that's the story. Larry said I should go and buy a lottery ticket because the wristpin didn't let go and put a rod through the block...
posted by 24.82.5.1...
Posts in this Thread:
- SAABOTR cracked open again, Vince T, Wed, 19 Dec 2001 18:42:56 <-- Viewing This Message
- Re: SAABOTR cracked open again, chrisx, Thu, 20 Dec 2001 15:28:16
- Vince, I am sorry to hear that your beautiful, SteveY, Thu, 20 Dec 2001 01:16:45
- As I said 9:1 is too high, I run 8:1,,,, ssabb, Wed, 19 Dec 2001 20:47:31
- Re: SAABOTR cracked open again, Mikael H., Wed, 19 Dec 2001 20:18:45
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