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In the Fires of Hell.....
Join Date: Oct 2007
Location: Phoenix, AZ
Posts: 3,779
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I put in Royal Purple synthetic 75W-90, and have noticed much nicer cold shifting, less noise..... Seems to work well for me.
Keith
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PCA Instructor: '88 951S - with LBE, Guru chips, 3Bar FPR, 1.3mm shimmed WG, 3120 lbs, 256 RWHP, 15 psig boost
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