The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 355 Blower eng. break in time n oil type q

71Sixer · 01-16-2012, 10:57 PM

Check out Brad Penn oil...really good stuff. It was recommended by a local machine shop for my dad's 496 race motor. Hopefully someone else will chime in on proper break in as I am no expert, but I'd say 500 miles at varying engine speeds and you should be good.

01-16-2012, 10:57 PM	#2
71Sixer Registered User Join Date: Nov 2010 Location: Fenton, MO Posts: 151	Re: 355 Blower eng. break in time n oil type q Check out Brad Penn oil...really good stuff. It was recommended by a local machine shop for my dad's 496 race motor. Hopefully someone else will chime in on proper break in as I am no expert, but I'd say 500 miles at varying engine speeds and you should be good.