| Re: Grab a cup of coffee! My C4 problem. |
Subject: Re: Grab a cup of coffee! My C4 problem. by HorribleHerb on 2012/2/19 6:44:44 It's not the same opti that it had when the problem first started but when it was changed it did not cure the problem until everything else was changed back to stock. I guess your right about not finding the side hole on the valve cover so I ordered the GM performance Proform covers. |
