On Sun, 7 Aug 1994, Curt Onstott wrote:
> I ordered the SU carburator catalog from Burlin Fuel Systems. This is
> packed with information about SU's and is probably one of the best
> references available IMHO. I saw that teflon coated throttle shaft
> bearings are now available to replace the cast in ones which wear out.
> These allow you to install normal sized throttle shafts. To install
> these it is necessary to open up the cast in bearing to 9.5mm while
> leaving a little bit of the bearing inside of the carb intact to prevent
> the new bearing from sliding in further. (I assume.) Now my question
> is: What would be an inexpensive tool to perform this operation with?
> Would it be appropriate to use a drill press and a 9.5mm bit?
Only if you're extremely lucky! You need a reamer that cuts one bearing
while piloting on the other. Otherwise you run a big risk of the new
bores not being aligned with each other.
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Chip Old 1948 M.G. TC TC6710 NEMGTR #2271
feold@umd5.umd.edu 1962 Triumph TR4 CT3154LO (daily transportation)
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