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  1. H

    Vegetable Oil to Pass Emissions

    OP, what octane fuel were you running? If the vehicle normal operates on 87 octane, increasing to 89 will lower the Nox, but raise the CO and ROG. 91 octane will lower Nox significantly, so try 89 first. Lowering the combustion temperature by lowering the jacket water temperature will also...
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    Rotella T6 in a gas application

    I think the 51515R states on the can: (Not for street use - for catching rocks only!) I hadn't seen the micron rating. I ran the PL30001 before and hoped the 51515R would reduce some oil pressure. It was warm today (70F) and it didn't. The 6.1 oil pump on a 5.7 base motor pushes 85+ psi @ 100F...
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    Rotella T6 in a gas application

    I spent about $7K stroking a late model moper hemi and want it to live long. One of the motor heads who deals with high HP hemi's recommended Rotella T6 5-40. After about 3K miles, I changed to Penn Platinum 5-30 for the winter months. The temps are mild in So. Cal. but I was seeing oil...
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    How good is pennzoil platinum?

    A long long time ago, that was correct. We're talking about late 50's oil, which did leave a wax or parafin build up. I don't think that's true of any of todays motor oils. I change my 5-20 oil every 3 to 5K, and am used to seeing what Mobile 1 looks like at those miles. I'll be giving the...
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