if i tow the 6k trailer its once or twice a month during the warmer months. mostly ill just tow the small trailer w/ atvs, which my 4.0 ranger pulled quite easily w/ a 3" body lift and 33x12.50s. so i figured just the canned tune would be alright. id prolly keep the canned 87, and scrap the other 2 for a daily drive tune and a towing tune for the big trailer. maybe replace the canned 87 with 87 performance but idno. ik i ask alot of questions, i just dont wanna get in over my head and be confused. i like to learn new things and how they work. lol
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