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Any Hemi Tickers Here Try Red Line 5W20?

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11K views 8 replies 5 participants last post by  Rockster  
#3 ·
VNT said:
Run their 5w-40 in my SRT and 5W-30 in my 5.7 Grand Cherokee. Great oils, tons of moly, and zinc plus ester base oil.
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Just a heads up... you don't want to run oil with Zinc, it will clog the Cats and mess with the O2 sensors.
 
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