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Reply to "1915cc carburetor set up"

Get the 40mm or 44mm inside diameter, not 48mm. The stock Weber ones are 2.25", I just measured them. So I guess the 1" of clearance is fine.

Sorry for thinking they were 1.75" instead of 2.25"!

If you have CB Jet Doctors, and by that I mean the brass tube elevated idle air sniffer tube thingy, you want the 2.25" velocity stacks. DO NOT get the shorter ones WITH Jet Doctors. If you get short stacks, there will be intense intake air reversion during transition. I found this out the HARD way.

EDITED for link:

https://www.speedsterowners.co...s-long-and-technical

Last edited by DannyP
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