Re: anyone familiar with royal purple?
We use the 0W in the Jr Dragster, noticeably different than Mobil 1 synthetic racing oil, and it gets changed every 4 passes (~ 1/2 mile) on average. We like it, and with the rebuild cost of a single cylinder Jr engine equal to that of a SB Chevy engine - we don't mind the cost!
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Marlin
70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride)
69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride)
67 RS Camaro-327/250hp, 2speed Glide, & 3.08 Open (Danny's Ride)
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