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-   -   RP HPS 5w20 (

SR71BBMustang 07-27-2014 01:19 PM

RP HPS 5w20
Just changed oil in 2012 5.0, went from M1 5w20 to RP HPS 5w20. I have read about HPS with additives like zinc to help quiet these Twin Independent Variable Cam Timing (Ti-VCT) engines, but wow, what a difference. Sounds & feels smoother, much more quiet at idle, a lot less ticking. RP claims 12K, but I'll run 10K & report back.
12' 5.0
Bama 93 Tune
Airaid Cold Air
FRPP 3.73
Flowmaster Hushpower

mark_byers39 07-27-2014 01:57 PM

keep us posted on this stuff

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