<VV> Cowl shake on EM convertible

[Ron]

The front tire pressure is a bit high for the weight on them and that may 
make them very sensitive to any tire and wheel problems.  I run them at 18.
RonH

----- Original Message ----- 
From: "Robert Hawley" <iamrgh at charter.net>
To: "virtualvairs (posts)" <virtualvairs at corvair.org>
Sent: Friday, September 22, 2006 12:09 PM
Subject: <VV> Cowl shake on EM convertible


> Howdy all,
>    After having my car in Group Red for over a year, I am finally able to 
> drive and enjoy it for the waning months of summer.  I have noticed that 
> between the indicated speeds of 47 - 52MPH the cowl/windshield on my 1963 
> Spyder does the shimmy-thing: above and below those speeds it feels solid. 
> The shimmy is not violent, nor does it feel as if I might lose control, 
> but is noticeable.  When the top is up and secured this does not happen.
>    My car has just had the entire front and rear suspensions rebuilt by 
> Ken Hand in Pontiac, MI: new bushings, shocks, tires, springs, 
> engine/transmission mounts, alignment, crossmembers (front and rear), 
> steering box, idler, etc.  The new radial tires (185/80x13 running at 
> 25#F -32#R -  P.S.I.) were balanced and there is no indication of tire 
> imbalance.  (Yes, the wheels are on tight - I checked the lug nuts)  I 
> have changed hubcaps and there is no difference. There is no structural 
> rust anywhere on the car. I am wondering if it is harmful or if this is 
> just a Corvair conv "thing"that happens to other drivers?  Is there a 
> solution to this problem or just the nature of the beast?  Thanks in 
> advance, Bob Hawley (CORSA member)
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