Royal Purple

Ive been wondering about trying RP for quite a while.
Seems to do well in the opinion polls & the scientific breakdowns that I've occasionally read.
Nothing against any other brand and no allegiance to RP but think I'll use it on the Challenger and report back.
 
i have used it on the old pony and still have a few bottles also use redline and is easier to get hold of as well
 
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