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Pampered-Z · 02-01-2010, 02:03 PM

I've always used 10-30W with an additive. I perfer the GM new assembly lube. Initial run of the engine for 15-20 minutes varing the RPMs from 1,000 to 1,700 for a roller cam, 1,500 for flat tappet. After cool down, change oil/filter and refill same weight and another can of the breakin lube and change at 200-250 miles. Changing the oil after 15 minutes is key, the heavy assembly lubes, such as molycoat, can actually clog the filter over time so you want to drain that out.

GM PART # 88862586

02-01-2010, 02:03 PM	#4
Pampered-Z Sliderule / Moderator Join Date: Oct 2004 Location: Catawissa PA Posts: 2,294 iTrader: (1)	I've always used 10-30W with an additive. I perfer the GM new assembly lube. Initial run of the engine for 15-20 minutes varing the RPMs from 1,000 to 1,700 for a roller cam, 1,500 for flat tappet. After cool down, change oil/filter and refill same weight and another can of the breakin lube and change at 200-250 miles. Changing the oil after 15 minutes is key, the heavy assembly lubes, such as molycoat, can actually clog the filter over time so you want to drain that out. GM PART # 88862586 __________________ 93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada 1) Build it 2) Race it 3) Break it 4) Repeat!!!