Trouble after upgrades
Trouble after upgrades Having some trouble after a few bolt on mods. Changed to a ported intake and 58MM TB. Installed Jet Hot long tubes and a X pipe set up. Also swapped out the Comp Rs for a new stock set of lifters. 1/4 turn adjustment after 0 lash. (comps were to damn noisy) Car ran fine when I first cranked it after the mods. Lots of improvement! After it gets warm and is driven for a while, it starts popping under less than moderate acceleration. When I approach a stop light, I have to do the right foot on the gas and the left foot on the brake kinda thing to keep it running. When its shut off (or dies) and I try to restart it, it kicks back like its waaayyyy to advanced. (broke a starter housing) I disconnected the coil wire to troubleshoot any mechanical or some sort of liquid lock. I cranks over fine, but when I reconnect the coil wire, it kicks back. At the moment, it will not start. Plugs are gapped at .050. The scanner shows no codes. Help!
Mec
Mec
Wouldnt that leave the adjustment a little loose? Only 1/4 turn now. If I back it off a 1/2 that would the valve train rattling around till the engine warmed up. Kinda thinking that I might have two different problems. I havent checked the TPS voltage after the throttle body change. Also I might have gapped the plugs a little more than the engine likes. Gonna take the plug gap down to .040 and check/adjust the TPS and see if that helps. Keep the suggestions coming!
Mec
Mec
Staging Lane
Joined: Jul 2006
Posts: 93
Likes: 0
It wouldn't surprise me to expect to have to adjust the rockers a couple times after installing new lifters. First shot out of the box you're likely to get a false zero, my completely ignorant guess.
OK, not completely ignorant. Happened to me on a hydraulic lifter cam in a 40HP VW engine.
Remember what this advice cost you. ;-)
Cheers -- Gary
OK, not completely ignorant. Happened to me on a hydraulic lifter cam in a 40HP VW engine.
Remember what this advice cost you. ;-)
Cheers -- Gary
Last edited by Z48LT-1; Nov 17, 2006 at 11:42 AM. Reason: added personal experience
