anybody know the diff between 2 & 2.5? i'll be allying products by hand on my 94 black GT

 

There really isn't that much difference. Ever since the 2.5 came out the 2 isn't hardly ever used. They are both medium abbrasive polishes. Really to get the best results with them, they should be applied with an orbital. You can apply it by hand but won't get as good results. The SSR1 is a better choice to use by hand.

 

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SSR2 is about as strong as I'd go by hand. SSR2.5 is stronger and I feel it needs a machine to fully break it down. I'd also follow up with SSR1 by hand. Use a cotton towel folded over as an applicator and a microfiber towel to buff it off. Work small areas (1 ft x 1 ft) for best results.