if you're beyond warranty a half quart of torch accelerator into 16 gallons of 91 octane unleaded gives 93 octane all day long...its what I use in Oklahoms to get 93 octane out of the 91 octane gas we have.
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Toy 1 '15 RH Z/28 w/AC & Radio S/N 0631
Toy 2 '09 CGM Z06 3LZ
My DD: '17 Ford Mustang GT
Her DD: '14 F150 Ecoboost 3.5
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