Quote:
Originally Posted by F150 Man 4Eva
I was just wondering today, when I haul a substantial load (like my boat or something) if I running my tow tune..should I ever have to mess with O/D? I actually rarely ever turn off my over drive, but I was just curious. Seems like with the programmer, I should really never have to mess with it. Also, seems like I read some where that you do not want to haul anything while running the Perf. tune. Is this true, and if so how much is to much to haul while running Perf.? Say I have a ton in the bed, is that too much?
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My understanding is that you still need to turn the O/D off when towing.
I believe Bill has said towing under 1000 lbs is okay on either the performance or tranny only tune.
1 ton is 2000 lbs right? I would use the tow tune.
Hopefully Jack or Lars will confirm my best guesses.
EDIT: Did you read this forum:
http://forum.gopowerhungry.com/towing/