[burls]

Needs some help with some figures for my build.

Confirm 93 Vit LWB on standard wheels RPM @ 100 is 3200
RPM @ 60 is .........

[JrZook]

(3200/100)*60 = 1920RPM in the same gear

[burls]

Thanks JR

now to work the ratios

[tanshi]

by my calcs 100 in a vit should be 3300 at 100 in 5th

so with your vitara 1.6 and gearbox. on WT diffs with 3.7 diffs

if you use a 4.9 : 1 transfer your looking at 3298 at 100 in 5th

gearing sorted

[tanshi]

thats on a 31 inch tyre

on 29s like you were talking about it makes the road revving a bit too high,

even if you drop down to 4.1 transfer gears its still too high, this is where you find issues

[JrZook]

tanshi wrote:

3298 at 100 in 5th

The 1.6 is much more happier @ ~3600

[tanshi]

i used to run mine at 3400 happily, but for every day driving i wouldnt run it much higher.

[Gwagensteve]

Mine runs 3700 and seems fine at that. I'm sure it could run lower, but I like the gearing off road with 6.4's and 5.12's and a true 35" tyre.

Steve.

[JrZook]

tanshi wrote:

but for every day driving i wouldnt run it much higher.

Interested to hear your reasoning on this

[burls]

Thanks guys.
I was going through all the ratios last night and could only get 4.16's to keep the range at 100@3200 but if you recon it would be better a bit higher then maybe 4.9's will work.
I've also decided to go 31 for the road and 33 off so if your right Tanshi its time to go shopping for gears and a few other goodies

found this if anybody's interested http://www.grimmjeeper.com/metric_gears.html

[JrZook]

I daily a 1.6 on 30's and go on yearly trips upto Cairns and back. I run 4.9's and 3.7 diffs which brings me to around 3.5-3.6krpm at a true 100. Stock sierra gearing and 30's it was pushing 3100 @ 100 in 5th and it required a lot of throttle input to actually make something happen. You will probs find that the vits were geared that way to try and reduce NVH. Peak torque on the g16 is up around 4000RPM. Peak torque is also where the engine is most efficient which I would consider being a daily that will be used to cruise @ 100-110KPH

[burls]

Using the grimmjeeper I got 100k @ 3500
using the lepayne I got 100 k @ 3400
Using .86 (vit gearbox) 1.634 (4.9 transfer gears in hi) 3.7 (WT diffs) and 31 tires
To me these fig are a bit hi but from what your saying would be better anyway

http://www.lepayne.com/gears.html

[got_bar_work]

U should be aiming at at least 3600 at 110
My vit sits around 3200 and it sucks