Quote:
Originally Posted by Hewfil1
Apparently Edelbrock also makes them leaner from factory for "fuel economy". I have a truck made for power, I don't want economy. Dangit Edelbrock.
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Leaner only in respect to their standard setup. Still too rich for the vacuum signal the carb gets from our truck engines.
My comments above apply to the 1406.
Note that you can run a bit leaner than optimum, but that the correct numbers for best performance on an AF/R meter are well known. My comments above are to optimize those numbers.