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#1 |
Registered User
Join Date: Dec 2000
Location: Flagstaff, AZ
Posts: 140
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help with q-jet
I recently took all the smog stuff of my 82 blazer and plugged all vacuum lines on qjet except for brake booster, vac advance and pcv valve. I also did the esc disconnect. It is not running right, sounds like it is bogging down, flooding out. Can I run a qjet like this or am I stuck buying another carb?
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#2 |
You get what you pay for
![]() Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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If it's the stock Q-jet, which I gather it is, the one thing you have to leave is the connection the temp switch in the thermostat housing going to the dual capacity pump solenoid. The way this thing works is off coolant temp. When the engine is cold, the solenoid receives a signal from the switch as to temp and lets it send extra fuel to the accelerator pump, thus the name dual capacity. After the coolant reaches around 160 degrees or so, it sends the signal to the solenoid and cuts the fuel in half, or like a normal accelerator pump would act. Without this wire hooked to the temp switch, it thinks it's cold all the time and the accelerator pump will be in dual capacity mode all the time, wasting fuel. As far as I know, there is no way around this either except for leaving it hooked up.
This may not be your problem, but it will cause problems like you describe.
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Mike 1985 Chevy C-10 |
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#3 |
Registered User
Join Date: Dec 2000
Location: Flagstaff, AZ
Posts: 140
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thanks swervin,
I will try to connect that back up (with it's 3 or four inlets) and see how it works. Thanks again, slow69 |
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#4 | |
Insert Witty Text Here
Join Date: Oct 2002
Location: San Antonio, TX
Posts: 3,415
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Quote:
Slonaker |
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#5 |
Registered User
Join Date: Dec 2000
Location: Flagstaff, AZ
Posts: 140
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ok, the only electical connection i see is for the choke and another on the driver side that doesn't really look like it does anything but I will look again.
Thanks |
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#6 |
Registered User
Join Date: Oct 2002
Location: Phoenix, Arizona
Posts: 4,703
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pics?
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* AVOID: LOPER'S PERMORANCE / LOPERSPEED.COM OF PHOENIX, AZ & COTTMAN TRANSMISSION * |
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