You aint kidding I should drink!!! Wow, Royal Purple sent some serious data, I guess they arent smoke and mirrors, RP accept my apologies. I not going to post the charts since they say confidential.
The pressure drop across the Royal Purple 30-8A, the substitute for the FL-1A is less than 2 psid up to 9 gpm!!!!!!!! Even the name brand RP compared to is only 3.2 psid at 9gpm. Viscosity was 20Cst. 10W30 at 100C has a viscosity of 10.9 cst. A melling rep told me their high volume
oil pump is good to 8 gpm, so we are not even close to 9gpm. Even at 20 gpm it differential pressure is 4 psid!!!!!!!!! The RP filter efficiency was 98.5% efficient @ 20μ, the graph supplied was impressive.
The Royal Purple filter is as good as it gets. I did not get their bypass setting but it appears to be cleanside bypass. Even if it is set at 9 psig, the filter is well below that at 2 psid. They are working on the answer and will respond.
RP are available at Pep Boys. They run about $14.99.
The proof will be in the pudding, I will also test the Royal Purple with my set up.
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Originally Posted by Got the Bug
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