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Message: [QUOTE="Dieselboy., post: 155146, member: 1232"] Both on exact same truck. Only put a few miles on the Swamps tunes. I was having trans issues and it seemes the Swamps tunes made them worse (Had nothing to do with tuning, hence the PCS) I have towed with matts tunes and loved his tow tune, almost no smoke. Slight puff under hard excel with 6500lbs and had her almost wide open for a mile merging from 45MPH up to 75MPH with EGTS under 1150. Ill will say Swamps tunes had a little bit of a choppier idle, but I liked his hotter tunes a bit better. Matts tunes are less smokey in any tune. Both Tuners in any tune will haze grey smoke on cold start up (kind of worries me a tad) its minimal but still. I will say in my experience Jonathan seems more easy to deal with as far as tweaks and changes. Just my opinion. I dislike that matt cant email tunes, but in time. Im running a termy modded 17 and it holds pressure fine in the hot tunes(Swamps/Matts) under 50% Duty cycle. I am pleased with both tuners so far. Unfortunately I havent been able to run at the trucks full potential due to transmission issues. And that being said I have far more miles on Matts tunes at the moment. [/QUOTE]

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