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HI . 91 My ttz was having problems of cas and left cylinder heads that came out bad 90-91'z , I'm going to rebuild my cylinder heads an was wondering what I would need to fix this problem ? cylinder head it self or camshaft?
I posted a lil info about the common problem.Thanks for your time, Albert The problem was that the left cylinder head of a certain production # range of early Z cars ('90) was mis-machined. This caused the CAS to be thrown off in its readings of cam timing, so the symptoms are usually very sluggish performance or detonation. Eventually the readings of the CAS stray so far (for reasons unknown to me) that the symptoms show up when the cars have some mileage on them. I've heard of some having this problem and they replaced the CAS, but the CAS was expected to fail again, because the root of the problem is the badly machined left cylinder head.
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17:26:32 03/10/11
