VHR + FD Gear Ratio upgrades - 3.9 and 4.08

blumango · 11-13-2013, 09:09 AM

I'm well aware. But I can't find some one in Singapore who has done this mod. If I can have these info, I can advise them and they can measure and shim accordingly

Taylortoons · 01-15-2015, 03:56 PM

Got the Quaife on order. Can someone verify this is the OEM ring and pinion gear set I need to order from my local dealer? It is going into a 6M Diff.

M/T w/15" wheels = 4.083 = part number 38100-0C760

jchammond · 02-01-2015, 04:25 AM

Quote:

Originally Posted by wstar

Yeah that's a concern for me too. In the 7AT our rear end is even worse ratio than you 6MT guys (7AT is 3.357, 6MT is 3.692). However, at the speeds I like to cruise at on the highway (when possible), I don't want the revs going any higher in 7th than they are now. 7AT really could use an 8th gear (or just taller transmission gearing in 6 and 7 both) for us high-speed cruisers

i'm a new member & have been looking over a lot of pages,,,,i am wanting to swap the 3.36 diff from my base/auto 370 for a 3.69 manual diff..
top end would still be the same-just closer to the 7500 redline in 5th.
currently limits out at 7k in 5th-showing 158mph on speedo.
dont drive like that a bunch/but it's an adrenaline rush!
has anyone done this and does it affect the traction control or cruise.
thanx for any imfo.

blueranger · 02-01-2015, 10:01 AM

Quote:

Originally Posted by jchammond

i'm a new member & have been looking over a lot of pages,,,,i am wanting to swap the 3.36 diff from my base/auto 370 for a 3.69 manual diff..
top end would still be the same-just closer to the 7500 redline in 5th.
currently limits out at 7k in 5th-showing 158mph on speedo.
dont drive like that a bunch/but it's an adrenaline rush!
has anyone done this and does it affect the traction control or cruise.
thanx for any imfo.

I swapped the whole pumpkin from a manual 3.69 VLSD on my 7AT with the Z1 rear diff kit and my car runs much better and torquier! This swap did not affect anything on my car and everything works normal.

This is one of the best Mods you can do

Elmo370z · 02-02-2015, 05:19 PM

What is the main difference in the gears?

johnwiki · 02-19-2016, 10:16 AM

Did any one else who did this swap have the ABS and Traction slip lights come on after install? I've had it checked by Nissan and they said they found the lights and codes but couldn't find anything wrong. I did the gear swap and switched from open to the VLSD at the same time. The only thing I didn't replace was the drivers side output shaft, I had the passengers side ground down.

01-15-2015, 03:56 PM	#167 (permalink)
Taylortoons Base Member Join Date: Aug 2013 Location: Dallas Posts: 98 Drives: 11 370Z AT PW Rep Power: 11	Got the Quaife on order. Can someone verify this is the OEM ring and pinion gear set I need to order from my local dealer? It is going into a 6M Diff. M/T w/15" wheels = 4.083 = part number 38100-0C760 __________________ Top Speed CF Intake, FI Non Res TP, Nismo Exhaust, ONEighty LED, JDM Rear Fog, Kranze II, Michelin Pilot SS, Quaife LSD, 4.08, Whiteline, UpRev

02-19-2016, 10:16 AM	#171 (permalink)
johnwiki Base Member Join Date: Oct 2013 Location: California Age: 32 Posts: 66 Drives: 2011 Gun Metallic Z Rep Power: 11	Did any one else who did this swap have the ABS and Traction slip lights come on after install? I've had it checked by Nissan and they said they found the lights and codes but couldn't find anything wrong. I did the gear swap and switched from open to the VLSD at the same time. The only thing I didn't replace was the drivers side output shaft, I had the passengers side ground down. __________________ Mods: Z1 CAI, Fast Intentions HFC + Cat Back, 4.08 Gears + VLSD Swap, Southbend DxD Clutch+lightweight flywheel = 310 HP 285 ft/lbs

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11-13-2013, 09:09 AM	#166 (permalink)
blumango Base Member Join Date: Mar 2013 Location: Singapore Posts: 75 Drives: 2010 370Z Roadster Rep Power: 12	I'm well aware. But I can't find some one in Singapore who has done this mod. If I can have these info, I can advise them and they can measure and shim accordingly

02-02-2015, 05:19 PM	#170 (permalink)
Elmo370z A True Z Fanatic Join Date: Apr 2013 Location: st. petersburg Posts: 5,707 Drives: 09 nissan 370z Sp M6 Rep Power: 295377	What is the main difference in the gears?