It makes sense but your still relying on a single swtich to switch fuels....if that fails then kaboom.

In the original posts he says no having to worry about a meth pump failure so I dont really see the safety factor being that much greater if that is in fact how he is doing it.

 

More info please?

 

I am sure you could build in a redundant second switch and warning light if the first fails.

 

I still like the idea of haveing two seperate tanks and just open a valve to use which ever fuel and change the tune. No second set of fuel lines, pcm, injectors, etc...

This is still a very cool idea though. I just like to be very, very simple. lol

 

Its 2013 and This is America....

 

You guys should ****** up that dual injector sheetmetal Hogans intake from Competition Products broom sheet that has been for sale for $1000 forever.

 

We talked about doing it that way for awhile, but being able to drive down the highway and that bike pulls up next to you makes it no fun that way. This way we can just mash it and race, no waiting or anything.

No injectors all don't fire all the time. Pumps have to be on all the time as you have to maintain some type of fuel pressure since boost comes on so fast.

Not a single switch, it has plenty of failsafes built it, no way possible for it to ever be on pump gas in higher boost.

They shut off completely, leaving them on would dilute down the e85 and lower the octane, not ideal on a high HP setup. If someone wants more than 1300rwhp then easily can run e98. This setup on maxx's car was built so an injector and tune change and can be 1500rwhp capable.

As mentioned above, if you do it this way you would not have fuel pressure when you went into boost, talking a split second change from vacuum well into boost, kicking on the fuel pump at boost wouldn't work. The 1st pcm controls all timing and pump gas injectors, 2nd pcm controls e85 injectors. It's not as simple as it sounds honestly, LOTS of little tricks to making it work right and if you aren't careful when tuning both you could EASILY hurt something.

 

Perhaps the name of the thread should've been

"Dual Fuel on the fly(87 and e85) on stock pcm's!- Teaser"

Just razzin' ya...

 

I've gave out a lot of info on it, sorry I'm not giving out a wiring schematic, diagrams, and tune. We've got a lot of time/testing in making this work smooth and flawless. To my knowledge nobody has done this before with 2 pcm's and pump and e85.

 

I get it man. hence the " Just razzin ya"

I understand.

 

that's smart as hell!

 

They have alot of time and work in it I have seen it I am sure knowing these guys they got it to work!

 

do you have to split all the pertinent engine signals to BOTH pcms? ie, tps, clt, iat,mat? o2?

obviously, the MAP signal is split. or are you using two map sensors?

very neat setup

 

Probably uses j1939 communication wires between the two computers. If the second computer is on the first computers network then it should read all the sensors from it.

 

Some yes and some no, splitting of some sensors will not work optimally we have found.


Didn't use that

 

Well done, and even better that it is from KC guys.

 

Nice work guys. Pretty damn cool thing to do for a street car.

 

So when are you gonna start selling these dual fuel systems?

 

Hats off to you guys. That is a great idea. Now I won't have to have someone following me with 40 gallons of e85 for a night of racing

 

congrats on getting this done fruit cakes. last time i was out at the shop maxx was talking about it.