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Posted

"You're detonation could be result of a lean condition because there is a LOT of oil displacing the fuel. Therefore you are not getting the required fuel into the cylinder."

 

Agreed.

 

Remember folks, oil/fuel ratio is different than air/fuel ratio. So if your carbs are jetted for 40:1 and not jetted for an oily 20:1 oil/fuel ratio, the motor will run lean. The more oil you put in your gas, the leaner the motor will run.

  • 3 months later...
Posted

"You're detonation could be result of a lean condition because there is a LOT of oil displacing the fuel. Therefore you are not getting the required fuel into the cylinder."

 

Agreed.

 

Remember folks, oil/fuel ratio is different than air/fuel ratio. So if your carbs are jetted for 40:1 and not jetted for an oily 20:1 oil/fuel ratio, the motor will run lean. The more oil you put in your gas, the leaner the motor will run.

 

 

Damn some of you beat me to it, I was going to say the same. The more oil you put in the less fuel you have and making it lean. Run it back at 32:1 first....or if youre good with math see what you need to dilute it back with some gas to get it back up to a better mixture

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