Oil Mix Ratio for A 1978 SRX

Blisteringsnorider

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This has probably been asked a thousand times.......but what is a good oil mix ratio for a 1978 SRX ? I know the tank tag says 20:1 but running Amsoil Dominator oil. With this type of oil I should be able to run a higher ratio correct ? Some guys say run a 4% others say 3% percentage of oil to gas. 20:1 is 5% Just don't want to burn the old girl down. Thanks in advance
 
She sure pukes a lot of oil out of the pipe and smokes pretty good.....20:1 may be a bit to much oil I'm thinkin
May thin it down to 32:1 that would be 3.13% oil

32:1 worked great with Amsoil Dominator and Aviation gas
 
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