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m3bs · 07-07-2018, 01:14 PM

I use Spartan SD-20 (available from your local janitorial supply house) on my race car. The Porsche guys swear by Mothers R3.

07-07-2018, 01:14 PM	#4
m3bs Drives: '19 ZLE, S54 E36M3 Join Date: Feb 2018 Location: North Augusta, SC Posts: 227	I use Spartan SD-20 (available from your local janitorial supply house) on my race car. The Porsche guys swear by Mothers R3.