968 engine in a '44S2 won't start
#16
Rennlist Member
Join Date: Jul 2001
Location: Brisbane, Australia (Formerly: Sunnyvale, CA)
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Mine wasn't changed at 60K kms for preventative maintenance, it was changed at 60K kms because it was actually exhibiting problems. 200K kms is much more usual a time for these things to actually grenade. People generally start inspecting them for problems at about 100K kms.
I'm surprised there was no evidence of bent valves... hardly seems possible, really.
Anyway, back to your immediate problem -- Chad has just been through a "no start" issue with a 968 -> S2 swap, it was a wiring issue, some pin in a harness needed 12V.
Ah yes, here it is:
Maybe check out the "It's alive!!!" thread.
I'm surprised there was no evidence of bent valves... hardly seems possible, really.
Anyway, back to your immediate problem -- Chad has just been through a "no start" issue with a 968 -> S2 swap, it was a wiring issue, some pin in a harness needed 12V.
Ah yes, here it is:
Originally Posted by chads996
Wooo-hooo!!!! Todd at J3 found the problem. The #7 pin on harness next to the brake booster needed 12V. Once he did that the engine fired.
#17
Three Wheelin'
It took the back corner of the Head off. Otherwise the motor was fine. No evidence of bent valves etc. What I have read since I discovered the chain was there; i.e. when it snapped is that the chain and sprockets last about 200K. I've never heard of 60K being their usueable life. Anyway my '68 motor has new cams (one piece with sprockets) new chain etc. It just won't start.
#20
Guys thanks a heap for all the info and suggestions. You guessed it she runs and is (I'm told) a ripper. Special thanks to Lemming who provided the wiring change instructions posted by Todd H. I suppose I should thank Todd H as well. The story; in case anyone else has the same trouble. Until we got the Todd H authored wiring change instructions my tech wondered why there was a spare wire on the '68 engine harness.It normally plugs into the '68 alarm which my car does not have. Apparently it draws its 12v+ from the alarm. Well my tech wired it into ignition and viola- she fired up.Special thanks as well to Joe Cogbill in Georgia for his patient support. You could not do business with a better bloke.