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Old 04-08-2019, 10:32 AM   #70 (permalink)
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Unburned fuels tend to be like creosote in a wood fireplace. Otherwise how do you get clogged cats? Typical solution is to increase temperatures like a self cleaning house oven.

It is not improbable that this coating could fall off and clog a passage.
2000 F250 7.3 CC 20+ MPG @ 10000 #
2013 Golf tdi 47.5 mpg neutered, 1500 mi beer run
1988 Ranger EV Volt batts>> 18,000 MPG and climbing. Rag overhaul.
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