Is the Nulon additive safe where GL4 oil is specified like the Gen II?
I'm looking at the Penrite Pro Gear oil that Slixx mentioned in the Definitive Gearbox Oil thread as the Castrol Syntrans I have in now is great when warmed up, but still a bit gnashy when cold. I'll go easy with the additive when I swap out the oil with the Penrite and see how I go.
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No worries Slixx. It's been nearly 40,000kms since the gearbox oil was last dropped so it's probably a good time to do it anyway. I think it could be neck and neck between the Castrol Syntrans and the Penrite Pro Gear for the best oil possible for Gen IIs.
Well lemme know how you go @GoonBong
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Peter "SLIXX"
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For sure. Once it's in and been running for a while ill drop you a line.
Pretty sure Gen I's spec GL5. Gen II's can't use GL5 because the yellow metals in the syncros get corroded by the sulfur, or something.
When I first read this thread I thought it said have you got an itchy gearbox
Think I've got some searching to do about it
mine's a GenI
Well possibly I got it done when I got my 120k service. From experience and 30k Kms later i have smooth gear changes on my Gen I.
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