Thanks for the follow-up Norm. I did have it up on a driveon lift last weekend
up at Britbits duing thier open house. I the only thing we did find was a very
loose Right shock link and I am going to hange that soon. There was a slightly
loose front U joint as well but that was not the sound location. I was thinking
about it some more this week (while driving of course). I wonder if the front
end of the Peco muffler got brought up just a bit so that in the right
situation, it could cause the vibration. It is funny that it is so intermittant
(have it one day and then not the next 2-3 days).
Carl French
Norm <nsippel@mindspring.com> wrote:
Carl:
What kind of lift did you put your B up on? Did it support the wheels or
the chassis? If the latter, you likely missed where the exhaust system was
close to the body/chassis.
It would be best if you could put your car up on a drive-on lift. Then with
the engine running you should be able to locate exactly where the exhaust
system is shaking against the body/chassis.
I had this problem with my MGB after hitting a highway blacktop swell. It
whacked the curve of the header down-pipe just enough to cause it to sit
close enough to the under-trans cross-member to bang against it under
acceleration. Only solution was a new header down-pipe.
Norm Sippel
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