Quadrajet Evaluation and re-calibration Information

Quadrajet Power LLC

144 Majestic Oaks Dr

Boerne, TX 78006

info@quadrajetpower.com
Quadrajet Evaluation and Re-Calibration Information

Please complete this form when you are needing assistance tuning a Quadrajet Power built Quadrajet. Please provide as much detail as possible of your circumstances. This data is used to calibrate the carb and to provide tuning suggestions. Keep in mind, timing, spark plugs, wires, points/condenser and many other factors work together for proper tuned engine.
Date

MonthDayYear
Date
Name:

First NameLast Name
E-mail
Phone Number:

Area CodePhone Number
Address

Street Address

Street Address Line 2

CityState / Province

Postal / Zip CodeCountry
Vehicle Make
Vehicle Model
Carburetor number
Engine cubic Inches
Engine details
Details of engine build, cam, compression
Vehicle details
Details about car, trans, gears, etc
Driving Style/desire

Street cruisingDrag RacingStreet/StripCircle Track RacingOff Road 4x4 useOther
Specific details of issues
Detailed description of the areas you are concerned about. Provide specific details
Did you check for vacuum leaks?

YESNOOther
Vacuum at idle
Measured at manifold vacuum source at lowest idle
Timing set at
Timing at idle if known, with vacuum advance unplugged and blocked
Timing all in by rpm
This is RPM where timing advance is at maximum
Timing vacuum advance

Ported vacuum, vacuum only at part throttleManifold vacuum, vacuum at idle (recommended)NoneOther
Putting your hand over primary side at idle, does engine:

stutter and begin to dieidle speed increases (indicates idle mixture lean)No changeOther
Removing vacuum line at idle, does engine:

stutter and begin to dieidle speed increases (indicates idle mixture rich)No changeOther
How many turns out are idle/mixture screws
They should be out or in as far as necessary for best idle vacuum reading
If APT is changed, how many turns out from seated?
Please provide as much detail as you possibly can. We want every Quadrajet we build to perform. There are times when more tuning is required for this to happen. Providing detailed information helps us help you.
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Quadrajet Evaluation and Re-Calibration Information