this is the perfect time in my rebuild to think about dual flex fuel/regular gas ability. does anyone know what we have to do go get to use it and regular gas too.
i remember that one of the auto makers had a flex/regular fuel switch and i was looking into doing that too. especially good when you go in for that smag test.

i went through the same thing when i looked at lng for the car but you need a $50,000.00 per car per engine/trans setup to get california to give you a permit to make them. even the same engine in a different body is not qualified. and it costs 5-10k an engine to convert and then if you want to fill up at home the cheap maching is 3k but they never have it so you need the 9k one. well the environment will have to suffer.

but being able to run flex once in a while is not a bad idea, unless it is to expensive.

anyone know? this is one i found http://www.driveflexfuel.com/store/product.php but im just begining to look. what i really need to know is if anyone did it and how did it turn out.

thanks for any help.

 

The only problem is that E85 and gasoline have totally different mechanical requirements as far as the engine to get optimum efficiency so being able to switch is just a gimmick. You'd be better off forgetting all the nonsense and just run a mix anyway like Vader has done and forget the fancy fanfare dash switches.

 

I agree. To get the most out of it, you need the vehicle dedicated to one or the other. Even flex fuel vehicles are a compromise.

You need more fuel volume delivery for E85, and higher compression to make up for the loss in efficiency and to take advantage of the higher effective octane, so just plugging in an electronic box isn't going to cut it.

 

well that did it for me. no fancy garbage here.
thanks everyone.

 

but, if you were building a fresh engine... wouldn't you want to set up for e85? the octane rating is a big carrot, yes?