I've read several threads about the frustration of trying to install the two
nylon bushings which support the throttle shaft where it passes thru the
footwells on the TR6. My car did not have these when I got it, and I
installed bushings I got from TRF. I got out my calipers and did some
measuring. The holes in the footwells measure about .612". The OD of the
bushing is about .900". The OD has to fit thru the .612" hole to
install. I decided to turn down the OD of the bushing to about .800" . I
think there is plenty of material left, and there is not much side force on
the part after it is installed, so I think this is a safe modification. I
think you could turn it down to .725-.750". I put the bushing on a bolt,
held it in place with a nut and chucked the bolt into my 1/2" drill. I used
a file to turn down the thin flange which goes thru the hole to about .800"
OD. I then heated it as others have described. I used some Teflon spray
lube on the bushing and the hole. With prodding with a screwdriver, it went
into the hole fairly easily. The hard part was getting the shaft thru the
first bushing. I found that by removing the outer side upholstry panel,
lubing the parts, and forcing the pedal end of the shaft upward as the other
end was going into the bushing, I was able to get it in place without
disturbing the pedals.
Reference a thread from Joe Simcoe on the Archieve dated 7-22-97
Jay
74TR6
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