Robuta

https://www.skunkriverrestorations.com/2016/03/tale-of-two-octanes/ Tale of Two Octanes - Skunk River RestorationsSkunk River Restorations Apr 3, 2016 - Running this Shelby GT500 Super Snake first on 91 octane pump gas and then on 98 octane Sunoco racing fuel confirmed what we saw two weeks ago with the GT350 tale of twoskunk riveroctanesrestorations