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Showing results for tags 'stp'.
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FWI, over the past several months I've tried Seafoam in every tank (1 oz per gallon) then STP (3/4 oz per gallon) in pure gas by the recommended amounts per product. For me, I've noticed the engine ran smoother and consistently got better fuel mileage with the Seafoam. Prior to Seafoam, I avg'd 40 mpg and with seafoam got a high of 45 mpg. The best I got with STP was 42 mpg. The primary reason I use an additive is the unbranded gas our bulk plant sells has no additives in it like Techron and a tank of gas may last two weeks. I had read a post a while back where the author suggested he got better fuel mileage with Seafoam and after running both products, I would have to agree. Maybe there's a better benefit to STP vs Seafoam, but from an operator's stand point I'm not seeing it.
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New on the shelf at my local Wal-Mart, right next to the Seafoam, is what looks like a new product from STP. Even the can is a Seafoam knock-off! The verbiage on the can reads just like Seafoam, too. Anyone see this yet? It may have been out for awhile, but I just noticed it last week. It was on sale for about $1.50 less than SF, so I picked up a few cans to try out. I guess it supports the adage "if you can't beat em, join em"!