Not Ranked
Jim;
I hear the same noises form my 1995 F-150 4x4 when I turn it off after driving for 10 minutes or more. The noises are coming form the hot exhaust manifolds and catalytic area. I assume since different metals contrat and expand at different rates when heated and cooled,that this is the source of the noise. Can't be too bad since my truck has been doing this for seven years now with no problems. Dealer told me this was normal and not to worry about it. Also,last year or so I swapped out the stock exhuast manifolds for a set of shorty headers and it still does the same thing.
As for the miss at 3500 rpms,I'd look to the distributor since it is at the same rpm regardless of what gear the car is in.
Not much help,but words of encouragement at least.
David
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DAVID GAGNARD
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