[Healeys] Scuttle Shake

[Tom Felts]

FWIW, I had this mod done to my BJ8.  It made a noticable difference.

tom  


> [Original Message]
> From: <TRICARB at aol.com>
> To: <38derby at suscom-maine.net>
> Cc: <healeys at autox.team.net>
> Date: 9/14/2007 8:52:00 PM
> Subject: Re: [Healeys] Scuttle Shake
>
> Jon,
>     I had the pleasure of discussing this phenomenon at  length with
Geoff 
> Healey.
> He says that the vibration frequency of the box frame and the interior
body  
> panels are not the same.  They come together for a harmonic frequency at  
> about 55 MPH.
>        Jensen spot welded the interior  body to the frame, thus it is not
a 
> solid structure with the frame.  
>     The phenomenon gets worst in the later Healeys as  Jensen increased
the 
> spacing of the spot welds to save costs.
>     The solution, that I have found is to weld 1/2" x  1/2" angle iron on
the 
> inside of the transmission opening extending the angle  iron down and
welded 
> onto the box frame.    
>     This ties the inner body to the frame making it one  vibration
entity. 
>     I have attached a photo of the installation  outlining the angle iron
in 
> red.
>         Bill  Bolton
>
>
>
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> [demime 1.01d removed an attachment of type image/jpeg which had a name
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> _______________________________________________
> tomfelts at earthlink.net 
>
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