I'll comment on my own failure... But it wasn't just one motor I am now on my 3rd failed M96
1 996 3.4L and 2 986 2.5L
None of my failures have had anything to do with IMS or D chunk or cracked head or slipped sleaves.
Each one came down to an oiling failure at the crank resulting in a thrown rod and usually a nice hole in the block.
This can only be a result of oil starvation/ low oil pressure.
Also, I think Michael J had one 986 2.7L go and two 3.4L go.
Quote:
Originally Posted by Toby
I will add to Lt. Dan's list. All were Dorki/PCAP/local that I know personally. It's hard to tell how many are directly IMS related, but it's only because replacing with a crate motor is cheaper than to open up the motor to diagnose for a fix. But suffice to say all motors suffered terminal failure.
1) My own (986S)
2) Carlos R. (996)
3) Paul A. (996)
4) Michael J. (986)
5) Ram N. (996)
6) John M. (986S)
7) I sold my spare motor to a shop in PA to replace their customer's blown engine
As I mentioned before, the list are of people involved in DE so (1) it's a remarkably high % of failure rate; (2) these are all very well maintained cars; but (3) these motors are all driven hard
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