My old 1997 GMC 1500 4x4 is currently the main TV for our little 197. Anybody that says these trailers tow like there is nothing behind is... well...
I have pulled our 2012 and our 2008 several times now and couldn't seem to always get the converter to lock up in 3. This old pelter doesn't have the marvelous Tow/Haul feature, so it's 3 instead of OD when I pull the trailer. Sometimes it would lock up, drop to about 2200 rpm at 92 kph, fine and dandy. next time, no sir, just wouldn't. This last trip I happened to notice that when I locked the cruise at around 92, bingo! Locked up. Tried it again - nope.
After some experimenting, I found that if I set the cruise at, say 92, then take the speed up a bit with the foot pedal, let it off, it would lock up every time!
That works if I am traveling on reasonably level road and not bucking a wind. I'm set now for some serious touring!
I can only imagine how much fuel some of these TV's are using when they zoom past at 130 kph, pulling a huge TT.
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