FINIS HALP Quadrajet dribbling

[Peter Fenske]

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Hi Marc and all..

Thanks all for the good suggestions.. Yep Marc I will try lowering
the float level to 1" but with the current smog settings the
car will barely move..This is not gonna help that much

Turns out in one of my quadrajet books the hotter chevy engines
had a air bypass in the throttle body. Mule engines didn't have
this open.. So I can drill some holes in the throttle body to pass
more air. Easier than wearing out throttle shafts.

Thanks again every body for the kind help
:peter





Marc Piccioni <mpiccioni at attcanada.net> on 01/19/99 09:41:15 PM

Please respond to diy_efi at efi332.eng.ohio-state.edu
                                                              
                                                              
                                                              
 To:      "'diy_efi at efi332.eng.ohio-state.edu'"               
          <diy_efi at efi332.eng.ohio-state.edu>                 
                                                              
 cc:      (bcc: Peter Fenske/BCIT)                            
                                                              
                                                              
                                                              
 Subject: RE: HALP Quadrajet dribbling                        
                                                              








Try lowering the float level, this may result in a slight hesitation until
the main circuit can start up due to requiring additional signal to pull
fuel, but should clean up the dribble problem.

Let me know if it works.


----------
From:     Peter Fenske[SMTP:pfenske at bcit.bc.ca]
Sent:     January 19, 1999 1:33 AM
To:  diy_efi at efi332.eng.ohio-state.edu
Subject:  Re: HALP Quadrajet dribbling



Howday all

Hope you don't mind a excursion into history

Relative has a quadrajet equiped car which must pass smog
To get the cat to light CO must stay below 1%
We can get this adjustment but dribbling from the
primary venturi booster sets in.. randomly.

One minute the CO is 0 % cat on and next
minute is 5% cat drowned not lit.

Does anyone remember how to cure venturi dribbling
I managed to do this once by increasing the idle
feed restrictions but smog won't allow me to do
this..

Any ideas please

TIA:peter






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