3LikesThread: Royal Purple 20w50 oil
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01-03-2012 09:41 PM #1
CHR Member/Contributor
- Join Date
- Sep 2007
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- Gardner, KS
- Car Year, Make, Model: '33 HiBoy Coupe, '32 HiBoy Roadster
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If you believe you need the extra protection I'd look at either Brad Penn's Racing Oils Penn Grade 1 High Performance Oil or Joe Gibbs Hot Rod Oils Joe Gibbs Driven - Hot Rod Oils. Both are the oils my engine builder recommends for everything coming out of his shop for racing, but when pressed he agreed that any good over the counter oil like Castrol or Valvoline was fine for a street/highway cruiser. The 20W50 seems a bit high in viscosity to me, but you're in a warm climate so it may be OK. Here I run 10W30 or 10W40. Gibbs has a good discussion about viscosity on his site.Last edited by rspears; 01-03-2012 at 09:44 PM.
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I bought the 76 in August , but haven't been able to work on it. When I get a chance I'll post some pictures.
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