Quote:
Originally Posted by Ottomotion
Fresno.
Keep it up. Its nice to see someone else attempting this same task at the same time.
So if I am seeing and reading correctly, your chain guide/tensioner failed and your chain was riding on metal?
Interesting fail....My car has just over 100K on the clock and the pads look like new....
Now the valve spring and lifter for #5 intake...thats a different story.
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Hey, I`ll upload new pics soon. Fresno is not so far away from here, we should meet up once both cars run again
As for the engine, indeed, the primary reason for the engine failure was the excessive wear and subsequent detachment of the chain guard. I think the chain picked up a piece of the guard on the opposite side and somehow made the timing to jump. Otherwise I can`t explain why the timing was messed up and the valves touched the pistons. Failing of these guards is frequent in these engines, yours may have been replaced earlier, or the 3-chain engines have a different design? BTW, my car has 100K miles in it and I don`t think it has been taken apart.
Boxster
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