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Discussion Starter · #1 ·
I was going through Red Line's website and was reading bout their Shock Proof line of gear oil. It comes in three different types, heavy, light, and superlight. The Heavy can be rated as a 75W250 Gear Oil, but has the lower internal fluid friction of an SAE 75W90. Redline states that " Temperature reductions between 25°F - 75°F are common in circle track, road racing, and off-road racing." With all the heat issues coming up w/ blown W55s... I'm not a genius or anything, but our manual trannies would probably benefit with this.
 
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