Originally posted by David Reiter:
I would highly recommend AMSOIL 20W-50. I have used in my ITB car since i built the car. I run a 6-7 race schedule per year and the oil is good for the year. My engine was built by George Bauchman @ Midwest Motorsports in Ohio. He build G,F & F production engines and recommends this oil. Also, several year ago we did a dynotest using Mobilone and AMSOIL on a GP midget engine. Back to back runs draining the oil and cooling the engine in between. The AMSOIL was good for an additional 5bhp consistantly with the engine. Good luck.
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