Re: IML: 64 Iml front whee lbalance

[Chris Hawkins <imperial1966@xxxxxxxxx>]

I had terrible trouble with a set of tires on my
Imperial.  What I discovered is that an out of round
tire or a bent wheel CAN be perfectly balanced - 
according to the machine.  But even a perfect
balancing will not correct the shake you will
encounter with bad tires or bent wheels while going
down the road.

Also, you did not identify the shimmy. Is the wheel
bouncing or do you feel things shaking from side to
side?  If side to side, it is unlikely but still
conceivable that the new parts weren't torqued
correctly allowing the front end to start shaking at
certain speeds.

An engineer once told me that 90% of the time,
vibration is tire-related.  So if you have them  
balanced again, stand there and watch carefully for
any laterel movement in the tire or any high spots
while spinning around.  My bet is that you'll find one
or the other.

Chris H.

66 LeBaron



--- JAY D'ANGELO <cadij@xxxxxxxxxxx> wrote:

> Perhaps some of you "been there, done that" guys can
> help me with this before I get too far.  I rebuilt
> the suspension on my 64 convertible, including new
> ball joints, rubber and even the strut rubber, and
> new rear springs and gas shocks.  I did the
> alignment twice to make sure it was on.  Using the
> stock wheels that came with the car, I installed new
> Yokohama 1.5in white walled tires.
>  
> The tires have been balanced three times by three
> different tire shops, but I still get a significant
> imbalance between 35 and 45 mph.  Before 35, it is
> smooth, after 45 it is smooth.  In between, the
> front end really shimmies.
>  
> I rotated the tires front to back after determining
> that one of the wheels wasn't true and the other
> contained a tube, I guess because there was a wheel
> leak.
>  
> Same problem after the switch.  I bought two low
> mileage wheels from Kenyon, but have yet to install
> them.  In Las Vegas, it has been impossible to find
> anyone that still has the machine to balance the
> wheel and drum assembly on the car, so I can only
> balance the wheel off the car.  No one here has the
> machine to true up the tire, either.
>  
> Hopefully, when I put Kenyon's wheels on, the
> problem will resolve itself.  But, if it doesn't,
> does anyone have an idea (besides the tires being
> out of round)?
> Thanks,
>  
> Jay D'Angelo
> 64 Iml Cvt
> Las Vegas
>  
>
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