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11-21-2021, 07:43 AM
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Sage
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Join Date: May 2019
Location: Village of McClure
Posts: 2,833
Thanks: 15,121
Thanked 2,180 Times in 1,097 Posts
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Quote:
Originally Posted by AJ32162
The octane rating of gasoline has absolutely nothing to do with RPM. Transmission and differential gearing determine the final drive ratio which is what determines engine RPM when driving. The reason you "notice poor performance" when using regular gasoline is because the ECU retards timing to prevent pre-ignition (knocking) which results in less efficient engine operation.
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thx much for the info! 
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