01-07-2007, 10:47 PM
This may sound strange, but check to make sure that the truck isn't in Low gear. The LST/LST2 has a 2 speed trans but ALSO has a High/Low range. The Low range is really a waste, because the truck doesn't like to shift from 1st to 2nd. It is only good for VERY low range torque and pulling. (The LST has GREAT pulling power in low range.)
Once you have made sure about the low/high range gearing, I would suggest going back to the factory settings (5 turns out) and richen up the HSN and LSN a bit. See if there is a defference in the shifting then. If it only loses performance but still won't shift, start leaning out the HSN about 1 hour at a time, and watch performace.
I'm going to double check, but I think the LST/LST2 has 2 adjustment screws for the trans, which both have to be adjusted the same. I will post back when I find out for sure (researching it now).
Once you have made sure about the low/high range gearing, I would suggest going back to the factory settings (5 turns out) and richen up the HSN and LSN a bit. See if there is a defference in the shifting then. If it only loses performance but still won't shift, start leaning out the HSN about 1 hour at a time, and watch performace.
I'm going to double check, but I think the LST/LST2 has 2 adjustment screws for the trans, which both have to be adjusted the same. I will post back when I find out for sure (researching it now).
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