Seriously 
3:73's in a M6
3:73's in a M6 I am wanting to know, if it would be a good idea to install a set of 3:73's in my 99 Z28 M6? Mods are Cam, 243's, built tranny, bolt-ons.....I have the stock 10 bolt now and have the 3:42's. I plan on keeping the 10 bolt.....Thanks
What are some plans for the car? Daily Driver? Street/Strip?
3:73s or 4:10s for Daily driving would be fine. My G/F can drive mine with 4:10s all day long with no issues and does really effect my Gas Milage..but I didnt buy the car for Gas Mileage..Im geting ready to go 4:56s..
3:73s or 4:10s for Daily driving would be fine. My G/F can drive mine with 4:10s all day long with no issues and does really effect my Gas Milage..but I didnt buy the car for Gas Mileage..Im geting ready to go 4:56s..
Myself and most other guys around here will tell you that 4.10's on a stock tire size will be your best bet at the strip. You will get into the pwwer band even earlier with 4.10's for a better 60' and finish at the top of 4th on the big end.
That's what you want, but in a 10 bolt they will be considerably weaker and not up to handling big dumps as they would in a bigger casing.
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I have had 3.73s behind my car when it was an auto and they where awsome. I loved them. I recently swaped my car 2 a 6spd and ran the 3.73s for about a month after the swap. The gears decided 2 take a crap on me from some track abuse and trying 2 learn how to launch a 6spd for the first time. I now have 4.10s in the car and i love them more than the 3.73s for sure!! The 4.10s pull harder and get u into your power band quicker. 4th gears with the 4.10s pull like 3rd with the 3.73s! By the way my car is a full bolt-on car.
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From: Katy/Cypress/Pearland, Texas Bitches!
+1 I run spray and would agree. 3.73 is a awesome highway gear. I would consider 4.10s if I were building a 1/4 mile car.
i run 3.73s cus i swapped mine to 6spd. If youre building more of a track car go with 4.10s, im on the street a lot more than im at the track so 3.73s work great. Works out perfect for all the imports that run around and wanna do 50-60 rolls cus with 3.73s you can start in 2nd(im pretty sure its at about 5k) and really get a hard jump.
You will basically notice your car will no longer have dead spots like it does with 3.42's. From a roll it's an honest 3 car lengths better from 40-130 (starting in 2nd). From a launch I've noticed it is a whole lot easier to get the car moving without it falling on its face with no real change in cruising rpms. Good overall gear for a cam only or beyond car with a 26" tire.