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Gear Oil | Synthetic Manual Transmission Lubricants
Since most GL-5 gear oils for differentials are too slippery for manual transmissions, Red Line offers these products
ensure proper shifting while providing ultimate wear protection
• Appropriate coefficient of friction for most manual transmission synchronizers (other's synthetic gear oils are often too
slippery for proper synchro engagement)
• Red Line offers lubricants to pinpoint nearly every transmission application
• MTL & MT-90 are not for use in differentials with hypoid gears
• Excellent gear and synchro protection, balanced slipperiness for easier shifting in cold climates
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Contains extreme pressure additives like our
75W140 GL-5 oil, but lacks friction modifiers to
balance slipperiness
Popular for historic and vintage transmissions,
like Mid-1930s to early-1950s synchro-equipped
gearboxes in cars and trucks
Helps with noisy or rough shifting in troubled A-833
Dodge/Plymouth 4-speed transmissions from 1964
to 1969
Option for noisy transmissions when mixed with
75W90NS or MT-90 to bring viscosity level up
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