Did you check the rear pinion angle? It should be parallel to the
trans.ouput and then pointing down a degree or two from there. I
always
have to mess with that via leaf spring shims to get the vibes to go
away,
particularly if the car is "up" gasser style or slammed low.
Just an idea..
Wakeman
----- Original Message -----
From: "Jeff Adams" <ledman_70@xxxxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>
Sent: Wednesday, March 18, 2009 2:47 PM
Subject: Balanced flywheel
>
> I need some suggestions. I swapped a 413 4-spd into my 64 Polara 5
> years
> ago in place of a Poly/pushbutton. There was a minor vibration, so over
> the last few years I have changed motors, 4-spds, rear ends, 3
> different
> sets if tires/wheels, 2 different driveshafts, the current one having
> been rebuilt and balanced, the front end's been rebuilt and converted
> to
> discs. I STILL have the vibration! The only parts that have not been
> changed are the bellhousing and flywheel. AFAIK bigblock flywheels
> aren't balanced...correct? The 426 wedge in it now runs smooth at an
> idle and revving in the garage. I don't know where else to
> troubleshoot.
> Anybody have any other ideas???
>
> Jeff Adams
> 64 Polara