I was running a canned 87 tune (on 89 fuel) and Sean hooked me up with a proper 89 octane tune. Sean knows what he is doing, he built an 89 octane tune that woke up my Hemi!Ģ of 2 people found the following review helpful:
My co-worker told me about Sean's Hemifever tune and I recently purchased. HemiFevers Stage 1 Tune beat them all (for both!) with the first tune file. I tried other custom tuners, after every 'box' tune in the Trinity 2, in pursuit of the greatest balance of gas mileage and power. 0 of 0 people found the following review helpful:Īnonymous Person from Omaha, NE United States
