[alfa] Re: AROC-OR Spica tips, Spider vs sedans

["John S." <roadtrip999@xxxxxxxxxxx>]

Ron -
If you're getting 10 mpg, there's something wrong besides the tune, I think. 
First thing I'd check is the Thermostatic Actuator. It sounds like it may 
have leaked to the point that it's never leaning the cold running mixture 
after the engine is warm. This may (or may not) cause the idle speed to be 
elevated.

Things (and in your case, probably a combination of things) that could cause 
bad fuel mileage:

1. Bad TA
2. Stuck Cold Start Solenoid
3. Injection pump timed incorrectly
4. Running mixture set way overrich
5. Ignition timing incorrect
6. Ignition components worn

Gas mileage normally 25-27 mpg. A drop of 4-7 may indicate actuator failure. 
18-22 mpg may indicate pump timing is 180 deg out.

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