Transmission & Drivetrain Gearboxes, Differentials, Clutches

Best manual transmission fluid for track day

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Old May 3, 2019 | 02:34 PM
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ngv1515's Avatar
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Default Best manual transmission fluid for track day

I have a stock B16a2 out of a 2000 Si and I'm going to the circuit track next weekend. I will be replacing all fluids and I was wondering if I should stick with OEM or RedLine gear oil. RedLine is 2.5 times more expensive by the way. I also was wondering what engine oil viscosity would be best too. I have 5w-30 Synthetic in now but should I go with 5W-40? engine has 123,000 original miles by the way. I will red line the **** out of it....lol
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Old May 3, 2019 | 02:40 PM
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Default Re: Best manual transmission fluid for track day

Originally Posted by ngv1515
I have a stock B16a2 out of a 2000 Si and I'm going to the circuit track next weekend. I will be replacing all fluids and I was wondering if I should stick with OEM or RedLine gear oil. RedLine is 2.5 times more expensive by the way. I also was wondering what engine oil viscosity would be best too. I have 5w-30 Synthetic in now but should I go with 5W-40? engine has 123,000 original miles by the way. I will red line the **** out of it....lol
Your OEM MTF should be fine; ACDelco Synchromesh Friction Modified is another option as is the Redline. If it was me, I'd be putting a top quality 0W-30 synthetic in the engine (all of the time) and calling it a day.
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Old May 3, 2019 | 02:52 PM
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Default Re: Best manual transmission fluid for track day

Torco MTF.

I think they make a race oriented fluid, RTF, but memory is hazy.
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Old May 5, 2019 | 10:18 AM
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Default Re: Best manual transmission fluid for track day

Torco RTF.
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