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Old 07-16-2015, 09:41 PM   #18
Longley428
Registered User
 
Join Date: Feb 2015
Location: Dalton, GA
Posts: 80
Re: GM 250 Inline six NEED HELP!

well installed new vacuum lines and it ran allot better!! But when now when I put it in gear and let out on the clutch it feels like I’m dragging a house behind my truck???? It tries to die and go dead... you can give it gas and will go but it still feels like a big drag is holding it back?? Any suggestions??

Also I still feel I need help with the vacuum line set up, I have a new PCV valve but the hose is not connected correctly I don’t feel, I have a 1 barrel mono jet carb with one small port on the base right front of the carb and one bigger port maybe a 3/8 hose would fit?.. off the manifold (almost directly under where the carb mounts on to the manifold.) And one on the back of the carb that is hooked up to my vacuum advance. Thats all the ports I can find. The truck does have power brakes and I can’t figure out where the hose for the brake booster goes?

Last edited by Longley428; 07-16-2015 at 09:46 PM.
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