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MG TD TF 1500 - Carburetor Damper Servicing

How much oil is required in the carburetor dampers? The service manual doesn't provide a specification. I assume if the cylinder is filled to the top insertion of the piston would cause it to overflow.
Corey Pedersen 1951 TD #7169

Check out page 30 of this PDF

http://www.bmcno.org/manuals/Tuning%20SU%20Carburetters.pdf
Dean E

Hi Corey,
just fill to 3/8" from the top of the damper tube.
Any slight excess will go into suction chamber and vanish into the intakes.
As long as you feel a resistance as you fit the damper you have enough oil.
The only time I ever had trouble was on a Triumph M/Cycle as the carb did not like the fluctuations and ate the oil every 100 miles or so.
Ray TF 2884
Ray Lee

The link isbroken for me,
Here is the section out of the SU manual.

Jim B.

JA Benjamin

Corey, don't buy special oil for the carbs. I have used plain 20 weight motor oil for years and never had a problem. A lot cheaper with multiple uses too!
Jim Merz

Thanks for all the helpful responses. Job done!
Corey Pedersen 1951 TD #7169

This thread was discussed on 12/10/2013

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