4.08 Frontier gear swap

12nismo · 01-21-2015, 07:51 AM

I have the Southbend 13lb aluminum flywheel, 4.08's and an NST lightweight crank pulley and the car is VERY responsive but I wouldn't say too responsive. In all honesty, each of the listed mods aren't THAT noticeable by themselves (I did one at a time) but together that make for a nice bump in the cars pep. IMO the flywheel, pulley and gears all compliment each other. if you're doing gears, go with the 4.08's...I doubt you'll feel much of a defference with the 3.90's. Definitely not "too jumpy" when paired with a lightweight flywheel.

forza370z · 01-21-2015, 12:51 PM

Quote:

Originally Posted by 12nismo

I have the Southbend 13lb aluminum flywheel, 4.08's and an NST lightweight crank pulley and the car is VERY responsive but I wouldn't say too responsive. In all honesty, each of the listed mods aren't THAT noticeable by themselves (I did one at a time) but together that make for a nice bump in the cars pep. IMO the flywheel, pulley and gears all compliment each other. if you're doing gears, go with the 4.08's...I doubt you'll feel much of a defference with the 3.90's. Definitely not "too jumpy" when paired with a lightweight flywheel.

Do you have SB clutch as well? How many miles on the flywheel? Any issue?

12nismo · 01-21-2015, 03:36 PM

Yes, I have the Southbend Stage 2 clutch paired with the flywheel. about 10k miles...no issues whatsoever.

01-21-2015, 07:51 AM	#1 (permalink)
12nismo Base Member Join Date: Apr 2012 Location: Houston, TX Posts: 153 Drives: 2012 370z nismo Rep Power: 16	I have the Southbend 13lb aluminum flywheel, 4.08's and an NST lightweight crank pulley and the car is VERY responsive but I wouldn't say too responsive. In all honesty, each of the listed mods aren't THAT noticeable by themselves (I did one at a time) but together that make for a nice bump in the cars pep. IMO the flywheel, pulley and gears all compliment each other. if you're doing gears, go with the 4.08's...I doubt you'll feel much of a defference with the 3.90's. Definitely not "too jumpy" when paired with a lightweight flywheel. __________________ nismo Z34 12 0209 JTran Motorsports//Stillen//Fast Intentions//EcuTek//Z1 Motorsports//Eibach//BRIDE //Zspeed//Carbon Signal//Houston Halos//Southbend//Whiteline//TWM//NonStopTuning//Doran Racing Last edited by 12nismo; 01-21-2015 at 07:53 AM.

01-21-2015, 03:36 PM	#3 (permalink)
12nismo Base Member Join Date: Apr 2012 Location: Houston, TX Posts: 153 Drives: 2012 370z nismo Rep Power: 16	Yes, I have the Southbend Stage 2 clutch paired with the flywheel. about 10k miles...no issues whatsoever. forza370z likes this. __________________ nismo Z34 12 0209 JTran Motorsports//Stillen//Fast Intentions//EcuTek//Z1 Motorsports//Eibach//BRIDE //Zspeed//Carbon Signal//Houston Halos//Southbend//Whiteline//TWM//NonStopTuning//Doran Racing

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