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Discussion Starter · #1 ·
Throttle body sync '02 620?

What's the proper technique for syncing the throttle bodies on an '02 620? I originally turned the bleed screws out an equal amount, synced the blades, then went back and touched up the bleed screws, and it seemed to run pretty smooth. I then read that I should have screwed the bleed screws all the way in, synced the blades, backed the bleed screws out an equal amount, then touched up the sync using the bleed screws (in that order). So I did that. It now seems to idle a bit lopey, throttle response is good, but it shutters a bit on roll-on (my wife calls is "blubbery"). So what's the scoop?



Modified by Tornado-rider at 5:23 PM 5/22/2005
 
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Discussion Starter · #2 ·
you're supposed to finish off by setting the idle mixture, using the mathesis and then ideally using the air bleeds to get the same co% on each cylinder if required. that may be the problem.
 
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Discussion Starter · #3 ·
Re: (brad black)

So am I right by turning the air bleeds all the way in, then setting the blades?
 
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Discussion Starter · #4 ·
that's how we do it, but we go further than you did which may be the solution to your problem.
 
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Discussion Starter · #5 ·
Re: (brad black)

Couldn't setting the screws for proper CO possibly throw off the balance?

Thanks for your help!
 
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