VP SR1 is one of the fuels a bunch of Spec Miata guys are running...or at least talking about. Using this fuel I saw +2.5 HP on the dyno with my '91, and that's vs. a VERY good AFM. I took the opportunity to tune a second AFM for the "bad" stuff just in case I ever decided to run it - with my good AFM I went too lean with the rocket fuel, and I wasn't about to dink with the good AFM for a "might run it" fuel. As it's happened, I've never run the stuff and doubt I ever will.
ERC also has a product that produces more power than POG. My understanding is that it adds slightly less power than the VP fuel, but is also "some" cheaper.
The SR1 fuel has a slightly different scent to it, but isn't the worst offender; if you ever want to clear everyone out of your paddock spot, crack open a jug of ERC - it will do the job, even if the wind is blowing.
Jarrod
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Jarrod Igou
ITR/STU BMW 325i, #92
Des Moines Valley Region
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