Maybe the Sunoco Race Fuels moniker is a little bit of a misnomer. Along with dozens of fuels aimed toward observe use, the model additionally presents street-legal choices: 260 GT and, for these residing in California, SS 100. Why think about this specialty product? Listed below are three causes from Zachary J. Santner, supervisor of Product Engineering and Enterprise Optimization at Sunoco Efficiency Merchandise.
Extra Octane
Whereas the pump gasoline discovered on the nook retailer normally tops out at 93 octane–and perhaps solely 91 on the West Coast–260 GT and SS 100 carry a 100-octane score. “It’s for individuals who need extra,” Santner says, that means extra enhance, extra compression, extra ignition. That octane score received’t magically ship extra energy, but it surely’ll permit tuners to soundly configure an engine that may make extra energy than the standard manufacturing unit setup.
Whereas higher-octane choices exist, Santner notes that this one is avenue authorized and fitted to these functions which are a bit spicier than inventory–name it OEM-plus in at present’s parlance.
Extra Cleanliness
“It’s very steady,” Santner provides. Sunoco GT burns clear, carries High Tier detergents, and accommodates a lot much less gum and polish than normal pump gasoline. In consequence, he explains, it has an extended shelf life–greater than a yr when correctly saved.
Extra Consistency
The recipe for pump gasoline can differ relying on season, location and refinery. Wintertime fuels, for instance, have greater Reid vapor pressures to help the beginning course of; conversely, summertime fuels have decrease Reid vapor pressures to fight smog. Moreover, most pump fuels are labeled to comprise as much as 10% ethanol content material, but the precise proportion can differ. So, how do you tune to a transferring goal?
Sunoco 260 GT, Santner continues, all the time follows the identical recipe: identical vapor strain, identical ethanol content material, identical oxygen content material, identical every little thing.
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