The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - smoke on de-acceleration

jeffspower · 12-28-2003, 01:34 AM

It needs valve seals &/or guides. Decel puts max. vaccum on the intake stem/guide, sucking in oil. Sometimes it can make alot of smoke without using much oil. Even with worn guides, new umbrella or posi-lock seals will help.

12-28-2003, 01:34 AM	#2
jeffspower Well, Whoop-dee-do! Join Date: Mar 2003 Location: Easton, Mo. pop.- me & scarcely a few others Posts: 2,302	It needs valve seals &/or guides. Decel puts max. vaccum on the intake stem/guide, sucking in oil. Sometimes it can make alot of smoke without using much oil. Even with worn guides, new umbrella or posi-lock seals will help.