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GL4 Rated Gear Lube For Getrag 260 #4975973 01/11/19 12:07 PM
Joined: Feb 2017
Posts: 92
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Samrsnow Offline OP
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I've always used Redline MTL in my 1987 bmw 535is, changed it out twice in the last 5 years of ownership. Current fill is getting bad, synchros are kicking back, wont go into first sometimes. Last time I had it changed my indie said it looked like glitter. I've got some Amsoil MTG coming soon, but I wanted to find an affordable gl4 trans lube to run on for maybe a month and then dump it to flush out as much metal as possible before putting in the Amsoil. I know this might be excessive to some, but this old bimmer is my only ride and sees the road a lot. For the life of me I cannot find anything that isn't a boutique MTL and costs $18+ a bottle.

Thanks.


1987 BMW e28 535is - mystery mileage (300,000+) Chevron 20w50 - Mahle filter.
Re: GL4 Rated Gear Lube For Getrag 260 [Re: Samrsnow] #4975981 01/11/19 12:15 PM
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Jimzz Offline
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I have used Sta-lubes GL4 trans gear oil with good success. Its probably the easiest/cheapest to get. Its not synthetic but works.

https://smile.amazon.com/CRC-Sta-Lube-SL24239-Multi-Purpose-Hypoid/dp/B000M8RYMC

I believe some Napas stock it as well.


For a premium GL4 the Ravenol is a good one and less than $15 a quart

https://smile.amazon.com/gp/product/B00QPDZCCW/


yup
Re: GL4 Rated Gear Lube For Getrag 260 [Re: Samrsnow] #4975984 01/11/19 12:16 PM
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bullwinkle Offline
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Penny oil Synchromesh is GL-4, it's worked OK in everything I put it in. AAP usually lets you use codes to buy it, too.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: GL4 Rated Gear Lube For Getrag 260 [Re: Samrsnow] #4975999 01/11/19 12:30 PM
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Diesel12 Offline
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Valvoline has a GL4 Manual Trans fluid that is probably cheaper than redline.
VALVOLINEā„¢ SYNCHROMESH MANUAL TRANSMISSION FLUID
https://www.valvoline.com/our-products/grease-gear-oil/synchromesh-mtf


1998 Dodge Neon-Rebuilt 2.4L-Schaeffer 10w-30
2014 Dodge Durango 3.6, 66K- Schaeffer 10w-30
2002 Ram 2500 Cummins 125K- Schaeffer 5w-40
2008 Dodge Avenger 232K Schaeffer 10w-30
Re: GL4 Rated Gear Lube For Getrag 260 [Re: bullwinkle] #4976003 01/11/19 12:32 PM
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Samrsnow Offline OP
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Originally Posted by bullwinkle
Penny oil Synchromesh is GL-4, it's worked OK in everything I put it in. AAP usually lets you use codes to buy it, too.


What spec sheet says this? I've read the bottle up and down at the store, it says GL3 and GM/Chrysler approvals which redline lists as well. I looked at the spec sheet for the penz vs redline MTL and the penz is significantly thinner than MTL. Maybe I shouldnt worry about it THAT much right?


1987 BMW e28 535is - mystery mileage (300,000+) Chevron 20w50 - Mahle filter.
Re: GL4 Rated Gear Lube For Getrag 260 [Re: Diesel12] #4976009 01/11/19 12:35 PM
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Samrsnow Offline OP
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Originally Posted by Diesel12
Valvoline has a GL4 Manual Trans fluid that is probably cheaper than redline.
VALVOLINEā„¢ SYNCHROMESH MANUAL TRANSMISSION FLUID
https://www.valvoline.com/our-products/grease-gear-oil/synchromesh-mtf


GREAT! I'll see if i can get this anywhere locally. Nearly identical viscosity wise to Redline MTL. Thank you.


1987 BMW e28 535is - mystery mileage (300,000+) Chevron 20w50 - Mahle filter.
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