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?
The illustration (plate AZ) in the factory Spare Parts Catalogue for the
TR4 shows the recessed pan, but I've seen both types in TR4s. Could be
variations on the theme from different suppliers?
> Also can someone tell me up to which commission number did the TR4 use
> the TR3 style seats.
Again referring to the Parts Catalogue, the seat changes are referenced by
body number, not by commission number. The late type diaphragm seats were
introduced at body number 20695CT. The catalogue describes several
different pre-diaphragm seats, which may account for the difference in the
pans you described.
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Chip Old 1948 M.G. TC TC6710 NEMGTR #2271
Cub Hill, Maryland 1962 Triumph TR4 CT3154LO (daily driver)
fold@mail.bcpl.lib.md.us
If cars had evolved as fast as computers have, by now they'd cost a
quarter, run for a year on a half-gallon of gas, and explode once a day.
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