After an actual test to measure the drag difference between liner and no liner, I have been running without liners almost exclusively for over a decade. I haven't broken a cable in that time, I haven't replaced a stuffing tube, I haven't had a wadded up liner and I've set dozens of SAW records.
I use a 70W synthetic gear oil with an EP additive, and I usually run three heats without re-oiling the cable. The cable is always well coated with lube when I pull it out. When needed, I often run a silicone fuel line over the inner end of the stuffing tube my lube doesn't get washed out. Teflon liners need lube too, so there is little to be gained there.
Note that all my running is heats of about 2 minutes total time on the water. If I ran enduros lasting 5 to 10 minutes then a Teflon liner might be an advantage. Or not. I have no problem with anyone running or not running a Teflon liner, but this has worked for me for many years and many very fast boats.
To avoid jacking this thread
teamgear1973 should really start his own thread, he'd get more responses. But since we've started I do have some lousy pics of my JAE21:
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