3.31 to 3.00 gears

[65shlbycln]

How much faster will the car be at cruising speed on the freeway going form 3.31 to 3.00 gears? I understand its a little vague. But any ideas? 5mph? 10mph? 15mph?

 

[1969mach1351]

For the same RPM at 70 MPH as your 3.31 gear you will be up 7.2 MPH at the same RPM with the 3.0 gear. Where'd you get a 3.31 gear? That's not a stock ratio.

 

[bnickel]

at cruising speed the car will be going the same speed, you will be turning a little less rpm with the 3.00 gears, maybe 150-200 rpm less than the 3.31 with the same size tire

 

[brianj5600]

It will be about 10%.

 

[65fastback2+2]

With the 3.31's at 70 ur running about 3011 RPM, with the 3.00's you'll run about 2729 RPM (using 70mph for cruise speed)

 

[STSFCTN67]

With the 3.31's at 70 ur running about 3011 RPM, with the 3.00's you'll run about 2729 RPM (using 70mph for cruise speed)

That is what I experienced when I went from 3.00s to 3.27 gears. Unfortunatly 1st gear is far too quick now and in the Winter I need to take off in 2nd gear.

 

[Max Power]

Use this:

http://www.drivetrainsuperstores.com/calculate.asp

 

[blown65]

Ya, I'm tired of my 3.89s in my car. Prob will be going to 3.00 also. Was fine with a N/A engine, but now with all this TQ I definitly dont need 3.89s.

 

[STSFCTN67]

Ya, I'm tired of my 3.89s in my car. Prob will be going to 3.00 also. Was fine with a N/A engine, but now with all this TQ I definitly dont need 3.89s.

Let me know if you want to take the 3.00s trac loc off my hands.

 

[blown65]

Let me know if you want to take the 3.00s trac loc off my hands.

8" or 9"??

 

[65fastback2+2]

8" or 9"??

look at his sig......

"3.00 8inch posi 4sale "

btw, how much u wantin for it??? ive got an open 3.00 but a posi would be nice

 

[blown65]

look at his sig......

"3.00 8inch posi 4sale "

btw, how much u wantin for it??? ive got an open 3.00 but a posi would be nice

lol didnt notice that.