Flex fuel tune check engine

[Abilor]

Lol bro I got you. No need to get upset, the internet isnt that serious. Personally I wouldnt run anything but an FIC1k or ID1050 on that set up. Especially since tuning is out for whipple kits and you can easily read out that whipple tune and make the changes you need for injectors.

At that point you are perfectly safe to lean into that PI system a bit with the warm blend and enjoy some e30. Lord knows I did for about 20k miles and probably 200 quarter mile passes with my 22 gen3 whipple car. No you shouldnt need a BAP or pump upgrade if you keep that 3.750 pulley installed. If you push down that pulley size, id keep an eye on it but you probably will be fine still with a 3.500.

And apologies man I didnt read the context here you were replying to with boost.

Cool. Thanks. All good. And good advice you're giving.

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[DarkMatterGrey]

some states have a bigger difference than others.

In Michigan here's the current price:

87 - $2.80
93 - $3.60
E85 - $2.55

Don't even have E85 anywhere near me (except by the can $109 per 5 gallon). Instead (maybe it's an Arizona thing), we have E51 to E83 and per our state it is not legal to call it E85, but Flex Fuel instead.

Here's my thread on that topic if you're interested:
https://www.mustang7g.com/forums/threads/e85-fuel-advantages-and-disadvantages.172092/#post-3442347

When I go to car meetups, it's been the biggest topic. Not should I get a tune, nor which boost option (turbo, super, pro), but what fuel are you planning on using and where are you going to get it. Fuel options in AZ are very limited for DD's. And there's a LOT of misinformation out there.

So E30 would cost about $3.36 for you.

4.27​	0.266875​	10.8885​	E85 - $2.55
11.73​	0.733125​	42.8145​	93 - $3.60
16​	1​	53.703​	$3.3564375​

Meanwhile, I'm over $5.00 per gal for just 93 (3.5 gal of 100 at $10 per; 12.5 gal of 91 at $4 per). Note I always make sure I'm a little over on the 100 too.

3.5​	0.21875​	34.965​	100 - $9.99
12.5​	0.78125​	47.75​	91 - $3.82
16​	1​	82.715​	$5.1696875​

You're lucky!!!!

 

[Junkyard Dog]

. Wow on just the price. E85 was $1.64. 93 premium was $3.89. Thats a measurable savings even with 20% worse gas mileage.

some states have a bigger difference than others.

In Michigan here's the current price:

87 - $2.80
93 - $3.60
E85 - $2.55

E85 is about $2.80 here, so only about a dollar less than 93 octane.

 

[Junkyard Dog]

You need pcmtec to use that sensor, so it's a matter of if/when that comes to the S650, the S550 guys have been doing it

https://www.mustang6g.com/forums/th...ased-flex-fuel-install-guide-write-up.196922/

And as far as Flex fuel on a boosted car goes...talk to your tuner. Most won't do it.

So why isn't anybody doing this?

 

[ZXMustang]

So why isn't anybody doing this?

Because it’s expensive.

 

[Gojiras breath]

So why isn't anybody doing this?

Cause it's not needed. Just a tune.

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