Subject: Not diy_efi....how to disable a computer carb

[neilaura at accessworldnet.com]

>> Neil
>Been there, done that.   Physically balancing the two works great at
>idle, but lousy on the road.  There's no deceleration enleanment, no
>richening of mixture under load.  I suspect the reason the carb goes
>to full rich is to give some semblance of driveability, especially in
>the underpowered, highway geared barges they were first used on.  I've
>run these carbs with the m/c solenoid disconnected, leaning the rich
>stop some.  Don't hope to pass an emissions test though, especially if
>it requires off idle testing.  Also, make sure the AIR pump isn't
>pumping O2 into the manifolds or cat when you're running rich, else
>you'll end up with a nice warm glow from the exhaust system.  Feedback
>carbs take some real skill, IMO, and the time you invest in them could
>easily be replaced with time in a junkyard pulling parts for a tbi
>swap.  Bruce P can tell ya stories about those carbs, I've just
>started working on them in the last few years.
>Shannen
>
>
I've been working on Q-jets, both feedback and the old power piston type
for years. I have never had a problem getting them to work properly. 
But I agree with you 100%. If at all posible upgrade to Fuel injection, and
use the Q-jet as a paperweight or if you have a pair, bookends.

Neil