Dave,
I talked to the mechanic that worked on Bill Shanahan's ADU Spitfire that
ran the Monterey Historics three years ago and he said they were running a
4-speed TR7 box which is what I run in my vintage race Spitfire with great
success. You don't have to modify the frame with this box but you do have to
modify either the clutch or the input shaft of the tranny.
Bill VARA E/P Spitfire #3
Dave Terrick wrote:
> Hi all.
>
> Now fully in build-a-bastard mode I have completed the extraction of FeCr,
> aka rust on 'scrappy'. The engine appears to want to mount on the BACK of
> the suspension towers now, not the front. However, I must notch the frame
> to make the TR6 transmission fit.
>
> The question:
>
> Since it is widely known that the ADU cars used TR4 trannies, who can speak
> to the nature of the frame modifications. (Keep in mind that my car will
> have a perimeter 3x3 boxbeam frame running "through" the doors with a floor
> brace or two). Do I even need to worry about this notching (a continuation
> of the notch that the factory put in for the mount).
>
> I know someone out there just bought one of these cars, can he (or she)
> please chime in? This has become a sort-of purist project and I'd like to
> do it as close as possible and all TR parts (even though the Honda front
> suspension will fit almost right into the rear end)
>
> Dave T
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