Modern automobiles are supposed to be the best representation of what we can achieve and have learned over the 100-plus years of wheels on the road. While 100,000 miles used to be the break-over point ...

We don’t expect you to go digging into your ’07-’11 Jeep’s 3.8L to make major modifications like cam swaps or head porting. Heck, we’ve been told by Jeep engineers (as in the guys who actually build ...