Join Date: Dec 2006
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I'd check your vaccum lines.. Also re-check your timing with a light and a vacuum gauge, Once you get it where you have the highest vacuum you should be really close then you can use the timing light to fine tune it... Sometimes the suggested timing isn't best for that specific engine... Depending on wear & tear and or and modifications... After that double check your curb idle, set if needed, and then readust your fuel/air mixture... Use a timing light for this and put it on RPM's... You should only tweak an 1/8" turn going from one to another... Watch your rpms... It should increase a little, if it increases the rpms a lot reset your curb idle and repeat... Honestly, I do one at a time... I wait until she's at temp from idling, I'll turn one fuel/air mixture screw until it chokes the engine and then I'll do 1 full turn, then do the other side, then I'll fine tweak each side 1/8" turn, maybe a little more... Once you hit where the rpms don't increase then you're pretty close... I normally turn it back about an 1/8" turn... Sniff the exhaust And then I'll check the throttle response and take it on a test drive... After it cools I check the plugs to make sure everything is good. I'm not saying that this is the correct way but it's what I do and I haven't had any issues yet.