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90 V8 hesitation/stalling



In my experience these cars are very sensitive to gas quality,
so your diagnosis might be correct.  I've found that running 
high octane gas is the best, and it is also wise to avoid 
no-name gas stations who may not have gone to much length
to insure they don't have water/sediments in their gasoline.
It's a bit of a religious debate, but Amaco, Exxon, and Texaco
all seem fairly solid to me.  If I don't run 93 octane gas my car
has a cyclic hesitation on acceleration, and if I buy that gas
from these three vendors, I find that it goes away almost
completely within a couple of tanks.

nate