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Re: Royal Purple oil

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Posted by tortmort on April 09, 2004 at 22:24:43 from (66.51.199.86):

In Reply to: Royal Purple oil posted by Geo in SD on April 08, 2004 at 19:52:06:

Hot Rod magazine dyno tested SBC 383 HT crate engine and got significant gains in horsepower and torque with Royal Purple. I believe it was about 6 hp and 8 ft lbs. At the very least it must be slick.

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