Redline has become a household name in racing
due to the quality of products they offer and the reliability they
have sustained. We keep Redline
in-stock!
Red Line Oil's MTL and MT-90 are designed to provide excellent
protection and improved shiftability for manual transmissions and
transaxles, having cured the problem of hard shifting in thousands
of transmissions with shifting troubles. How...?
Their specific formulation has the appropriate coefficient of
friction for most manual transmission synchronizers while still
flowing very smoothly (many other gear oils, engine oils, and ATFs
are too slippery for proper synchro engagement yet are thicker when
cold).
As well, the wide and controlled viscosity of pure sythetic MTL and
MT-90 allow proper shifting over the entire temperature range which
the transmission will experience. The synthetic base oils used have
a very high viscosity index which provides relatively constant
viscosity as temperature changes. The shear stability and oxidation
stability of these products are excellent, thus the physical
characteristics of Red Line MTL and MT-90 will change little with
use.
MTL is a low 70W at very low temperatures and a high 80W, nearly
an 85W at elevated temperatures. This provides adequate viscosity
to prevent wear and deaden gear noise. This is a thiner gear oil,
almost as thin as ATF and works well in many applications that call
for ATF such as many BMWs
MT-90 is a thicker version of MTL. A true 75W90 GL-4 gear
oil (similar to SAE 5W40/10W40 engine oil viscosity)
Ideal when MTL is too thin and a bit thicker oil to help Syncros
come to speed is desired. Better for "loose" transmissions than
MTL, in many cases. If you have tried MTL and your gears seem to
"clash" try MT-90
Redline MT-90:
Popular in Toyota, Nissan, Mazda, Mitsubishi, VW/Audi, Lotus Elise
/ Exige, VW 02A manual transmissions and transaxles as well as
other selected applications.
MT-90 is a 75W90 GL-4 Gear Oil that’s slightly heavier than MTL.
Provides excellent protection of gears and synchronizers and its
balanced slipperiness provides a perfect coefficient of friction,
allowing easier shifting. Some transmissions like this better than
MTL.
- Specialty lubricants intended for high performance & heavy
duty use
- Safe for brass synchros, as it lacks the reactive sulfurs
found in most GL-5 oils that can cause damage
- Exceeds API GL-4 standards.
- Excellent choice in many manual transmissions (especially those
that shift best before the vehicle is fully up to temperature)
- Satisifies the gear oil viscosity requirements of 75W, 80W and
motor oil viscosities of SAE 40, 10W40, and 15W40
- Recommended for GL-1, GL-3, and GL-4 applications, as well as
where most special synchromesh fluids are specified
- Most customers require 2- 3L.
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