[TR] Teflon washers in SU Carbs -The scoop

Randall tr3driver at ca.rr.com
Fri Jun 18 21:08:13 MDT 2010


> The green  o-rings are not teflon. They are actually made for 
> the air  
> conditioning  industry and are available from A.C. supply houses. 

Apparently a material known as HNBR, also as "high temperature Buna-N".  Has
good resistance to Freon, particularly R134a (which will eat neoprene).

I still don't know the proper dimensions offhand, but it looks like a box of
100 is about $4 from MMC.
http://www.mcmaster.com/#hnbr-o-rings/=7ldhyv

Randall


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