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Guest Anonymous

RATTLE AT HIGH RPM

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Guest Anonymous

So i just picked up a 74. when i get n the gas i get a rattle from under the hood. could this be a bad engine bearing? or just normal vibration on something that is loose?? thenks for any help

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cd will chime with pictures of the exhaust braket at the tail of the transmission...its just a matter of minutes.

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Guest Anonymous

Your question is so vague and general as to be virtually unanswerable. Have you searched the archives?

Aside from a rattling loose exhaust system, the noise could be unadjusted or worn valve gear, worn alternator bearings, worn water pump bearing, or even loose trim, grille, mirrors, and bumper mounts. I would not discount the possibility of a loose weld, loose/worn wheel bearings or even the hood internals (if some of the insulation has disappeared or worn).

A big rubber mallet may be helpful in replicating the noise and discerning its source, "generally."

Good luck.

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how about the fan hitting the radiator?

Loose starter motor?

Fossilized Pastrami sandwich in the air cleaner.

The possibilities are, truly, almost endless...

t

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MOLESTED IGNITION TIMING ?

nasty gas? stale gas? diesel fuel blend ? sugarcane gas ?

broken rocker arm ?

exhaust touching ?

yer toes hitting the fan blades ?

give us a You Tube moment, Please.

02driverlookingatflattireRACEPhoto.jpg

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I most recently had a loose exhaust manifold cover that wasnt properly bolted down, at high RPM's the thing screamed like the engine was going to explode

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