11-15-2013, 10:39 PM
Theres no doubt that any IC engine will make more power with colder air vs. hot, all other things being equal. That includes FI engines, and its why you'll see racers doing things like putting bags of ice on their intakes / intercoolers between heats (pun intended).
How much differenence? Enough to tell, especially when you're going from the low 90s to the mid to low 70s overnight.
How much differenence? Enough to tell, especially when you're going from the low 90s to the mid to low 70s overnight.