Huh?
Your second question first. At about the end of the 1962 model year
(CT15076) the seat design changed. One of the primary differences was
that instead of the back of the seat tipping forward, the entire seat was
hinged at the front. (From Piggott's book)
If you have covers on the seat bottoms, the first seam (from the front)
goes all the way across the seat on the TR3A; where on the late TR4 the
two front to back seams go all the way to the front edge.
Also, I don't think there was a bottom "pan" on the '3, but was open
springs on the bottom with a heavy wire about 4-6" from the back which
hooks into a "bracket" on the seat frame.
Hope this helps (and if anyone else has a different observation feel free
to jump in...)
later...
/------------------------------------------------------------------------\
| CARL F. MUSSON, Coordinator INTERNET: musson@arts.usf.edu |
| Tampa, FL Opinions expressed are mine and not of my employer.|
\ '58 TR3A - http://www.arts.usf.edu/~musson/triumph/cfm-tr3.html /
On Sun, 24 Nov 1996, Lenny Seidman wrote:
> Can someone please tell me which seat frames are correct for a TR3 and
> early TR4. I have 2 sets of seats, one has a flat bottom pan with a
> corresponding flat bottom spring cushion, the other set of seats has a
> recessed area with the spring cushion bottom having an area that sticks
> out to fit in the recessed area of the seat bottom(whew! I hope thats
> clear).Which is for which?
>
> Also can someone tell me up to which commission number did the TR4 use
> the TR3 style seats.
>
> Thanks,
>
> --
> Lenny Seidman
> Elkins Park, Pennsylvania, USA
> email: lseidman@erols.com
>
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