mater Posted August 15, 2009 Posted August 15, 2009 This will be my first time at Miller and was wondering what diff you e 36 bmw guys are using. I have a 5 speed and have a 3.46 diff "top speed 155" and 3.73 diff "top speed 137"??? Thanks !!! Quote
Members Eric W. Posted August 15, 2009 Members Posted August 15, 2009 This will be my first time at Miller and was wondering what diff you e 36 bmw guys are using. I have a 5 speed and have a 3.46 diff "top speed 155" and 3.73 diff "top speed 137"??? Thanks !!! Top speed of the 3.73 should be more than 137 if your redline is above 7000. I run a 3.73 and I dont run out of gear till about 143 or so. Try using the gear calculator on diffsonline's site. http://diffsonline.com/techinfo/index.shtml Quote
Lemming Posted August 15, 2009 Posted August 15, 2009 Bill runs really small wheels and slicks, so that is likely the difference (wheel circumference). The front straight at Miller is really long, you may get it above 137 mph. Quote
mater Posted August 15, 2009 Author Posted August 15, 2009 There must be a epidemic of lock jaw out west!!! Quote
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