4 cyl vn diff strong?

[jonboy]

hay all this may be a stupid question but does anyone no if the old 4 cylinder diff are the same as 6 cyl diffs but with different gears? like are they strong enuff for a 6? reason is i have one and im sure i read somewere they have 4.11 ratio?

[vn calais manual]

which 4cyl diff are u refering to, what motor, i know the pintara diff centre is the same as the commodores and uses a 4.11 gear ratio with a 4cyl up front powering them..

[TVR-190]

the 4cyl commies that NZ got?

[immortality]

i'm really not sure. i think they are BW diffs but not sure on the specs. i know the hubs have a different stud pattern because then the inlaws tried to fit the wheels from there crashed BT1 onto the 4cyl VN they didn't fit properly. i too would like to know what ratio they have because i'm looking for some gears for a future project

[AirStrike]

i'm really not sure. i think they are BW diffs but not sure on the specs. i know the hubs have a different stud pattern because then the inlaws tried to fit the wheels from there crashed BT1 onto the 4cyl VN they didn't fit properly. i too would like to know what ratio they have because i'm looking for some gears for a future project

They are 4.11's, same as a pintara.

[jonboy]

yea im talkin abowt the nz spec 4 cyl vn, my one has an opel motor in it, and the stud pattern and spacing is the same as the v6 diff cause im using the wheels off the 4 cyl on my v6 now.
i dont realy want to change diff over and it just ****s itself straght away.

[immortality]

yea im talkin abowt the nz spec 4 cyl vn, my one has an opel motor in it, and the stud pattern and spacing is the same as the v6 diff cause im using the wheels off the 4 cyl on my v6 now.
i dont realy want to change diff over and it just ****s itself straght away.

me too. the inlaws have one. we put a wheel from the 4 banger on the BT1 to move the wreck but it didn't fit (without a little filing) they don't want me to pull it apart to find out the ratio however.

if you can tell me what RPM your at 100km/h in 4th gear i should be able to calculate the ratio. it doesn't really matter what speed as long as it's in 4th gear as it's normally 1:1

[jonboy]

hay immortality ill have 2 c if ican get the old 2 ltr to run at sum stage, (it needs a few things done to it so it can be driven 1st)
have you got your commputer all working so you can burn memcals yet?

[immortality]

yep, got all that sorted.

[ScoHar]

Not 100% sure as I don't know alot about diffs, but I've heard that the NZ 4 cyl commodore is a 4.11 but 2 pinion (if that makes sense to anyone)

[immortality]

Not 100% sure as I don't know alot about diffs, but I've heard that the NZ 4 cyl commodore is a 4.11 but 2 pinion (if that makes sense to anyone)

could be, the standard BW 78 is a 4 pinion setup. they used 2 pinion centers in the VL 6's so it could have been carried over from there and just a ratio change for the crappy 4 banger engine. i wonder what ratio diffs the 2ltr 6 cyl VL's have?

[jonboy]

im pretty sure the vl 2ltr has 3.7 ratio
how much to burn the sv3800 tune so i can run an o2 sensor? or do you rekon i should try an get an ozy foam tune?
my 2ltr needs has no reg no wof no exhaust no steering wheel an no back wheels so might be a bit b4 i take it for a drive.

[immortality]

im pretty sure the vl 2ltr has 3.7 ratio
how much to burn the sv3800 tune so i can run an o2 sensor? or do you rekon i should try an get an ozy foam tune?
my 2ltr needs has no reg no wof no exhaust no steering wheel an no back wheels so might be a bit b4 i take it for a drive.

doing the tune is simple (and cheap) pm me. do you have a O2 sensor hooked up? with the SV tune you will need to run 95ron fuel

another way to check the ratio in the 2ltr diff is to remove the diff cover and see what numbers are stamped on the outer circumference of the crown wheel. should have serial number and ratio. what code is stamped on the build plate for the diff?

[jonboy]

no i dont have an o2 sensor hooked up (just got the cable hangin down bellow throttle)
this should incress performance and fuel economy, correct?
i will check my diff for the build plate and ill remove the cover as well in the weekend and let you no
cheers

[immortality]

no i dont have an o2 sensor hooked up (just got the cable hangin down bellow throttle)
this should incress performance and fuel economy, correct?
i will check my diff for the build plate and ill remove the cover as well in the weekend and let you no
cheers

no point getting a tune to suit a O2 sensor until you fit one. will improve economy. the tune itself will give so more go go go. let us know when your set. where abouts are you?

[KnobMuffin]

I just read in my owners manual that the ratio is 4.11

[jonboy]

no point getting a tune to suit a O2 sensor until you fit one. will improve economy. the tune itself will give so more go go go. let us know when your set. where abouts are you?

im in dannevirke, if i plug in an o2 sensor without the sv tune will it still run the same?

[immortality]

im in dannevirke, if i plug in an o2 sensor without the sv tune will it still run the same?

yep, will run fine because the temp setting in the standard tune for the O2 sensor is set high to the ecu deosn't use it and the fault codes have been disabled for it also.

[immortality]

I just read in my owners manual that the ratio is 4.11

cheers mate. you got any pics of your ride?