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Got a stumble

warwgn

1/2 ton status
Joined
Feb 20, 2008
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NM
from my othr thread.

So checked for vacum leaks and dont hink it has any, so I made a quick video which is loadin now. Anyway it didnt do it at all now!! So with the choke closed it runs fine, no stumble at all, once it warms up bingo there it is, so I am too lean right? I need to richen it up so when the choke is open it gets more fule to match the air. Or should I turrn the A/F screw in to richen it up? I got a edelbrock 1406. hmmmmm this bugs.
 
so what you think, this plug is ony a few days old and after I set the timing I drove it about 15 miles today.

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so either it has the wrong balancer or the wrong timing tab, did a hillbilly timing and it runs way better now!! Shows to be at about 12 degrees advanced it the tab went that far. I did rejet and set the vacum advance to 10 degrees, now all I got to do is up that to about 14 and think it will be perfect.
 

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