Bill,
If your car has a weak valve, and you repeatedly decline to fix that problem
- most mechanics will write you off when you have any further driveability
complaints.
When you have a burnt valve, monkeying with the fuel mixture will many times
bring about a slight temporary improvement in the "feel" of how it runs. If
the car has a burnt valve, you are wasting the time of you and your mechanic
by even considering looking into other driveability problems. You test until
you find a problem, fix the problem, then retest - especially with mechanical
conditions.
If you don't trust the mechanic, leave him alone and find one that you do
trust.
Good luck Bill,
Jeff Ruffing
65 Imperial Crown Convertible
ASE Master Auto Tech
L1 Advanced Driveability Certified Tech
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