View Single Post
      07-23-2013, 10:44 PM   #107
swamp2
Lieutenant General
swamp2's Avatar
United_States
609
Rep
10,407
Posts

Drives: E92 M3
Join Date: Sep 2006
Location: San Diego, CA USA

iTrader: (3)

Quote:
Originally Posted by Boss330 View Post
As I said in a previous post; Turbo cars tend to have longer gears since they often have a broader useable rev range than a highly tuned NA engine.
The reason is more simply because of the massive torque. The current car has a very broad power band with a very high percentage of peak torque across a wide swath of rpm, but its relatively low CRANK torque must be significantly gear multiplied to achieve a desired acceleration. A turbo car does not have that requirement and thus to have improved fuel efficiency will have numerically lower gears/final drive ratios.

NISFAN: As is typical with a final drive modifications one here for the M4 will help some performance contests and hurt others and when considering results say on a strip or track across a wide variety of gears overall it will be a wash. There is no such thing as a free lunch and altering a FD ratio simply does not give one a single speck more power and that is what matters.
__________________
E92 M3 | Space Gray on Fox Red | M-DCT | CF Roof | RAC RG63 Wheels | Brembo 380mm BBK |
| Vorsteiner Ti Exhaust | Matte Black Grilles/Side Gills/Rear Emblem/Mirrors |
| Alekshop Back up Camera | GP Thunders | BMW Aluminum Pedals | Elite Angels |
| XPEL Full Front Wrap | Hardwired V1 | Interior Xenon Light Kit |
Appreciate 0