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Bullet Bob
New User
Aug 1, 2011, 10:16 AM
Post #1 of 2
(1228 views)
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Have '86-up Chev crate 350 installed in '65 Cadillac with a vibration that starts at about 1800 rpm and increases proportionately with the increase of rpms. At on point in working on motor mounts, the engine was inadvertently started with harmonic balancer resting on front crossmember. MIGHT the balancer have been damaged in a way that could cause the vibration??? This is with the car (T-400 trans) out of gear (park) on driveway. Have extensively checked for vacuum leaks, replaced sparkplugs, and checked for shorted plug wires with no change in condition.
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 1, 2011, 1:40 PM
Post #2 of 2
(1215 views)
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Re: Engine vibration
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You could have even bent the crankshaft.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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