anyone want to swap 3.7 diff for 4.1?

Tofu · Post by **Tofu** » Wed Feb 26, 2014 2:05 pm

Ventourer wrote: i want to go faster with less revs i have a 3.7.....help?!?!?!

You looking at doing 400kph?

yakuza · Post by **yakuza** » Wed Feb 26, 2014 2:56 pm

Tofu wrote:
Ventourer wrote: i want to go faster with less revs i have a 3.7.....help?!?!?!
You looking at doing 400kph?

Hahaha! If you go lower than a 3.7 then your gear ratio's will get longer.

ch4sernz · Post by **ch4sernz** » Wed Feb 26, 2014 5:24 pm

Not much out there less than 3.7.
I believe the newer hiluxs (sheep shagger and on) had a 3.5 option
But unsure if c&p are the same. Pretty sure the centres are different.
Hardly worth it for the difference you would see. (Less than 200rpm difference at 100kmh)

A lot of guys drifting in oz run 4.3 massive improvements in gearing for there tighter tracks.

Ventourer · Post by **Ventourer** » Thu Feb 27, 2014 8:43 am

yakuza wrote:
Tofu wrote:
Ventourer wrote: i want to go faster with less revs i have a 3.7.....help?!?!?!
You looking at doing 400kph?
Hahaha! If you go lower than a 3.7 then your gear ratio's will get longer.

yes chaps where smokey failed ..... i can prevail!!!

nah i was just thinking you know got lots of power n such so would be nice to use the torque, probably just lead to ruining the gearbox faster anyways. hey i must update my build thread keep you guys in the loop and ask questions there because i have a lot of issues as you prolly guessed. haha
phil why dont you come over and do a photo shoot for me your pretty handy with a camera???

Tofu · Post by **Tofu** » Thu Feb 27, 2014 9:17 am

Keen as a bean. will flick you a text next time i'm out your way

slipwaysailplane · Post by **slipwaysailplane** » Mon Mar 03, 2014 7:55 pm

How many RPM's at 100kph with a 4.1?

Looonie · Post by **Looonie** » Mon Mar 03, 2014 8:20 pm

With an R154 and 245/45/18s about 2,200rpm.

ch4sernz · Post by **ch4sernz** » Mon Mar 03, 2014 9:51 pm

Should be more than that. From memory I'm closer to 2400 with a 3.9

davealdworth · Post by **davealdworth** » Mon Mar 03, 2014 10:59 pm

I'm hitting 2300rpm running a R154 with 235/40/19 and a 3.9 diff

Tofu · Post by **Tofu** » Tue Mar 04, 2014 7:18 am

Gearbox: R154

Ratios:
1st: 3.251
2nd: 1.955
3rd: 1.310
4th: 1.000
5th: 0.753

Redline: 7000RPM

3.7: 100kph in 5th: 2200rpm | Top Speed: 302kph
3.9: 100kph in 5th: 2350rpm | Top Speed: 286kph
4.1: 100kph in 5th: 2500rpm | Top Speed: 272kph
4.3: 100kph in 5th: 2600rpm | Top Speed: 260kph
4.4: 100kph in 5th: 2700rpm | Top Speed: 254kph
4.7: 100kph in 5th: 2900rpm | Top Speed: 238kph

Data created from http://www.teammfactory.com/gearcalculator.php

JZX NZ

anyone want to swap 3.7 diff for 4.1?

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