Gold Lifetime Member
Join Date: Jan 2005
Location: 2 Dog Town in West Texas
Re: Necessary to take out inner spring?
If you can assure that you go straight to 2500 for 30 min or so , you can do it without removing he inner, but if not , I would . Never knows what is gonna interupt the breakin process. You some break in lube and maybe fill crank with Rotella . You are gonna have to change oil anyway to get all he moly lube out of the pan anyhow. Add the GM EOS for safety also.
TC # 349
Zdld17:69 Z/RS,306, NOR141111, 9N554XXX, 12A, X3G, 59/59,723, AFR 195,CCC282/290HR, TKO 600, BU1122B1E Owner since Dec 1968
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