RedlineAZ

iTrader: (5)

How do the IS-F's hold up against the C63 performance wise? My boss and I always have debates about it, he owns a bone stock c63 and I have headers and exhaust on the IS-F. Curious who would win if we did some runs from a dig and from a roll. Anyone know?

itsmike177

iTrader: (3)

From a roll, ISF will lose, headers or not.

From a dig, if the C63 gets traction, ISF will lose.
From a dig, if the C63 does not get traction in 1st, ISF will lose if the race is to 100mph+.

stratman

My '13 C63 has the WCT which is the wet clutch transmission. It shifts as fast as the IS F does but also allows for better MPG. The paddle shifters have not ever let me down and when down shifting, if you hold the paddle it will quickly shift to a lower gear to match the power revs. First gear is really mean if you get on it (I drive in M mode) but is very good in regular traffic too. The P31 package has the SLS crank, connecting rods, and pistons as well as a reprogrammed CPU. It's a bit faster than the "standard" C63 and the magazines say it is good for 0-60 in 3.7 seconds and 1/4 mile in very low twelves or high elevens at about 118-120 or so. The biggest issue I see is that the rear tires are too narrow but the LSD really helps out. I can't say this enough though: I really wish I could have kept my '12 IS F.