Gary O. wrote : "The emission contol tubing on my 1974 TR6 is old and
cracking causing the vacumn to be lost. I think it is
orginal. Besides using TRF or MOSS replacements
has anyone found or know of a replacement product? A friend recommended
3/8" gas line but even with heating in boiling water I can not
get the tubing over the fittings. In addition one car parts
place had 19/32 tubing but it seem a little loose"
I've got 1/2" ID heater hose on mine (cannister to carbs to rocker). It
seems just snug enough. Got it at the local parts store. I'm also using it
for heater water hoses.