Quote:
Originally Posted by NastyEllEssWon
then why does it say it on my cap?
''Gm Recommends the use of Mobil 1 5w30''
royal purp is too expensive...but is awesome...and syntec blows hard. m1 is the only other choice locally.
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Thats not stock
i use rotell T 15w40 in my lt-1 the best oil hands down
^^^^
Yeah, well they took the zinc out of it... i'd reccommend delo or delvac now.
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1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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