bad harmonic balancer?
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Junior Member
Joined: May 2012
Posts: 18
Likes: 0
From: Minnesota
Car: 86 z28
Engine: 305 l
Transmission: 700r4
Axle/Gears: 383
bad harmonic balancer?
I.m having some vibration in engine while increasing rpms. Its not constant but the virbration seems to "float" can this be a bad balancer? Cause thats all i think. it could be
Joined: Aug 2009
Posts: 402
Likes: 13
From: Evansville, IN
Car: 1984 Trans Am WS6
Engine: LG4
Transmission: T56
Axle/Gears: 3.23 LSD
Re: bad harmonic balancer?
Do you have a steel driveshaft? Those are notorious for causing vibrations at high RPM's. The an aluminum one from an RPO code JG1 third gen or an LS1 4th gen is the fix. Both are direct fit though the diameters are different, not sure which is "better", but both are lighter and kill the vibration.
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