Originally Posted by
jiggityjosh
Holy ****, that's 3 heat ranges colder than stock... You running 525-600 Horsepower?!?!?!
Or are you compensating for lean issues?
The reccomended Denso's are IK16!!! (each heat range is going up two numbers in the Denso line.)
IK20 would be for the stock SRT-6. The IK22's are only 1 step colder.