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flamingbig10 · 10-08-2011, 10:28 AM

My dads 350 has 270,000 it only burns and leaks a qt every 3,000, still has good oil pressure, and the intake or valve covers never been off, been putting high millage 15w40 since 200,0000

10-08-2011, 10:28 AM	#20
flamingbig10 6.0 powered square Join Date: Feb 2008 Location: Mesquite texas Posts: 3,459	Re: What's the best oil for a old tired engine? My dads 350 has 270,000 it only burns and leaks a qt every 3,000, still has good oil pressure, and the intake or valve covers never been off, been putting high millage 15w40 since 200,0000 __________________ Aaron 1980 c-10 short bed lowered, cammed 6.0, 4l80e 3600 stall, smp tune, wilwoods, and flames best time so far best et 7.86 @87 on motor 7.57 90 on a 75 shot Build http://67-72chevytrucks.com/vboard/s...d.php?t=283326