Quote:
Originally Posted by garfull
yeah no issues as long as you keep it slow and low rpm.
i've switch back and forth a couple times now and i've found it takes the ecu about 15 miles for all the trims to settle back down.
i usually would switch fuels, drive about a mile, pull over and flash new tune. then drive it normally for the next 15 miles before i get on it.
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One thing to noten it takes a little time to pull the fuel from the tank to the engine so that will account for the "lag." With my FF setup it's usually a few miles depending on how hard I push it (and I'm boosted.) Non FI guys might take a little longer.