LOSI JRX / JRX2 Diff
05-15-2012, 10:15 PM
#1
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LOSI JRX / JRX2 Diff
Anyone..
Have just bought 2 JRXs from back in the day, very good condition. Thing is how do these diffs work in relation to something more modern. Did people swap the ball diffs out and put another better style of diff in?
Reason I ask is because I cannot for the life of me get these 2 diffs (ball bearing, with new balls) to work like a modern diff like in a B4.1 or any other 2WD. All lubed and greased, new thrust bearing and diff plates, all new/cleaned, concial thrust washers correctly mounted, but when i tighten the diff up, its way too tight and when i do the rotate test, eg spin the right wheel, and expect the left to do a reverse rotation, its too tight, loosen it up, then the centre gear is slipping. Were these diffs always like "locker" diffs, or are they just never to work as our modern cars today? Were there options to use other diffs from another car?
Cheers
Have just bought 2 JRXs from back in the day, very good condition. Thing is how do these diffs work in relation to something more modern. Did people swap the ball diffs out and put another better style of diff in?
Reason I ask is because I cannot for the life of me get these 2 diffs (ball bearing, with new balls) to work like a modern diff like in a B4.1 or any other 2WD. All lubed and greased, new thrust bearing and diff plates, all new/cleaned, concial thrust washers correctly mounted, but when i tighten the diff up, its way too tight and when i do the rotate test, eg spin the right wheel, and expect the left to do a reverse rotation, its too tight, loosen it up, then the centre gear is slipping. Were these diffs always like "locker" diffs, or are they just never to work as our modern cars today? Were there options to use other diffs from another car?
Cheers
05-15-2012, 10:25 PM
#2
Anyone..
Have just bought 2 JRXs from back in the day, very good condition. Thing is how do these diffs work in relation to something more modern. Did people swap the ball diffs out and put another better style of diff in?
Reason I ask is because I cannot for the life of me get these 2 diffs (ball bearing, with new balls) to work like a modern diff like in a B4.1 or any other 2WD. All lubed and greased, new thrust bearing and diff plates, all new/cleaned, concial thrust washers correctly mounted, but when i tighten the diff up, its way too tight and when i do the rotate test, eg spin the rightwheel, and expect the left to do a reverse rotation, its too tight, loosen it up, then the centre gear is slipping. Were these diffs always like "locker" diffs, or are they just never to work as our modern cars today? Were there options to use other diffs from another car?
Cheers
Have just bought 2 JRXs from back in the day, very good condition. Thing is how do these diffs work in relation to something more modern. Did people swap the ball diffs out and put another better style of diff in?
Reason I ask is because I cannot for the life of me get these 2 diffs (ball bearing, with new balls) to work like a modern diff like in a B4.1 or any other 2WD. All lubed and greased, new thrust bearing and diff plates, all new/cleaned, concial thrust washers correctly mounted, but when i tighten the diff up, its way too tight and when i do the rotate test, eg spin the rightwheel, and expect the left to do a reverse rotation, its too tight, loosen it up, then the centre gear is slipping. Were these diffs always like "locker" diffs, or are they just never to work as our modern cars today? Were there options to use other diffs from another car?
Cheers
05-15-2012, 10:45 PM
#3
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Ive read about the retro fit diffs, but surely these standard diffs are designed to work as a smooth rotating assembly. I would be super grateful if someone has tips on getting these to work. BTW im using Dif Lube from RC 10 Stealth kit i had from years ago, should I be using something LOSI put out...or is diff lube...diff lube?
Cheers
Cheers
05-15-2012, 10:49 PM
#4
Ive read about the retro fit diffs, but surely these standard diffs are designed to work as a smooth rotating assembly. I would be super grateful if someone has tips on getting these to work. BTW im using Dif Lube from RC 10 Stealth kit i had from years ago, should I be using something LOSI put out...or is diff lube...diff lube?
Cheers
Cheers
05-16-2012, 05:00 AM
#6
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Like I said, too tight, then backit off, and its too lose and just slips. I'm using yokomo 3/32 balls, new double bearing main gear and its all new/cleaned. Both diffs are doing the same thing.
Cheers
Cheers
05-16-2012, 06:22 AM
#8
I run my LRM tranny diff gear tight (6 gear transmission), car drives fantastic. I recently built and installed a XX retro fit, but have yet to run the car on the track with it.
I have always ran my JRX LRM diffs tighter than normal, if they start to slip, you will melt the diff gear (from lots of experience).
I am running a slipper top shaft & brushless/lipo.
I have always ran my JRX LRM diffs tighter than normal, if they start to slip, you will melt the diff gear (from lots of experience).
I am running a slipper top shaft & brushless/lipo.
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