General_Failure wrote:are having with their VW (or whatever. I'm not picky).
That's me done for now.
It's your turn!
Not vee dub related but u didn't mind :P hows this for a stock motor failing? piston not just cracked but broken in two. No wonder it was gutless after the noise got phsyko, it was blowing straight into the bottom end.
From the post mortum a mate and I conducted on a 1987 jdm celica 3sge engine, we noticed at cylinder number three, there was no main bearing left at all. The top of the piston seemed too clean compared to the others (look at the top and bottom of the face), and this differed from the rest. We assumed that because of the cleanliness, there must have been injector failure running the cylinder lean, detonating due to the lean mixture regardless of the ignition timing (which explains the rattle it had low in the cylinder head, but was an unsual case.)
Regardless of how retarded i changed the timing it didn't stop, and the noise wasn't coming from lower enough in the block to suggest it was a bearing all along. it was very unusual from a toyota perpective.
Here is the engine prior to explosion:
http://www.youtube.com/user/bajachris88?feature=mhum#p/a/u/1/QOc0gTo5Ozs
I bought the car like this with the rattle. The engine lasted a week
馃槀 It pulled some beautiful skids and had heaps of power up to the 7 grand red line
馃 She had a few km's on it. It is now fitted with a 93' jdm celica 3sge (phase 2) with only 65,000k's on the clock.. should last a little longer and go a bit stronger haha i hope!
Following the lean mix causing detonation, this would have put the stress on the main bearing hence the wear and last the piston carked it probably from either heat stress and the impact of the conrod just loosely throwing around the crank.
The oil pump was stiff, clogged with bearing shavings, along with sump, resulting in premature wear in all other bearing surfaces.
COMPLETE AND UTTER FAILURE!
My mate i was pulling apart with was in hysterics over it. what an achievement!
Chris.
馃槑