engineermike
Well-Known Member
Ive been doing a lot of work lately with the gdi side and was surprised to learn that the stock gdi pump is near max capacity on a stock mustang. My semi-educated guess here is that Ford intended to continue running 90% gdi on e85 and the stock pump could only do that at the 400 hp level, not 460+. Yes, they could put some logic in there to supplement with port injection as a function of ethanol content but then you have to ask what’s in it for them and is it worth the programming and validation effort.Why doesn't Ford make the Mustang Flex fuel like the F150's? Too much power for their liking?
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