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My local stealership said the install a programmer via the obd port adjust for tires and shifts and throw the programmer in the glove box! I just don't remember the brand name, he did say it was about $500.
I do have the 321 rear, I can drive for 20 miles on the highway at 75 and it will never upshift. RPM's are high and gas mileage sucks. The dealer recommended a tuner I can't believe that an inch in tire size would warrant that but guess that's why I'm old school! I see plenty of these trucks...
Hi Guys ,
I'm a newbie and was searching old threads but didn't find anything on my problem.
I have a 19 Ram 1500 with the 5.7. and the 8 speed auto. Here's my problem...I put 275/60/20 on bigger than the stock 275/55/20 but not by much and my shift points are higher. It seems quicker off the...
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