How much is it going for now? I haven't bought any since last yer 
where do you guys buy your Royal Purple?
Off the top of my head $3.99 here im not 100% sure........next oil change im going Amsoil though, im currently on german castrol and notice my car gets a lil bit better gas mileage compared to royal purple.....but im going to give amsoil a try since its suppose 2 quiet down piston slap better than other oils
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Teching In
Joined: Nov 2007
Posts: 39
Likes: 0
From: ST.LOUIS MISSOURI
O'Reilly has it for $7.00 +. I also seen on Speed, some show. A 60 something Nova. Changed to Ryal Purple in the Motor, Transmission and Rear end. And got 20 extra RWH on the dyno. And the Ryal Purple web has it. But i don't know what oil was in it befor it was changed.
I sell it as well, if your interested pm me for pricing. (less than summit)
$6.40qt or for the XPR $11.50 qt plus shipping of $8.95
$6.40qt or for the XPR $11.50 qt plus shipping of $8.95
Last edited by 99blancoSS; Apr 24, 2008 at 11:15 PM.
They went from conventional 20-50 to 5-30. Thinner viscosity made the power. GMHT did a good test years ago where fresh conventional Quaker State made the same power as Royal Purple.