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1st Gen Ram Tech'93 & older Rams: This section is for TECHNICAL discussions only, that involve 1993 Rams and older. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
I had my heads rebuilt, replaced the 2 bbl carb that had already been rebuilt twice and replaced the water pump...I am now getting 5 mpg LESS than I did. I have no idea what is going on. The heads are the same ones, just rebuilt due to the dried out valve seals.
8.5 mpg sucks.
check the timing and valve lash. And check to see if the new carb is jetted exactly the same as the old one.
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Resistance isn't futile, it is voltage divided by current.
1991 W150, 4x4 4 speed 318 all stock like it came from the factory.