'FUEL QUESTION" A GOOD ONE I HERD - Performance Forum

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'FUEL QUESTION" A GOOD ONE I HERD
Friday, May 15, 2009 11:33 AM
ONE OF THE DRAG GUY near me made a good point so i think about he E85 stuff

the local track sells cam12 for 8$ a gallion for 120 octaine he said why not just run a couple of gallion's of E85 which is 110octaine with just regular 93!1

can you mix the two together and make that work???? i know for the carb bowl swap you need to replace all the gaskets with alchoal resistant stuff but
would it be safe for injection or will it F@#k something up im not willing to try it out un till i get some feed back sp let me know

Re: 'FUEL QUESTION" A GOOD ONE I HERD
Friday, May 15, 2009 6:38 PM
if only there stoich ratio was the same.........


Chris





'02 Z-24 Supercharged
13.7 @102.45 MPH Third Place, 2007 GMSC Bash SOLD AS OF 01MAR08

Re: 'FUEL QUESTION" A GOOD ONE I HERD
Friday, May 15, 2009 6:40 PM
a simple answer is that it is as simple as mixing them. however, being that much more ethanol is needed, stock injectors and fuel pump don't keep up. that and a tune would be needed for anything above E30. It's just not worth it on a stock engine, though.



87 Firebird
All stock...........lol.
Re: 'FUEL QUESTION" A GOOD ONE I HERD
Friday, May 15, 2009 9:00 PM
randizzle wrote:a simple answer is that it is as simple as mixing them. however, being that much more ethanol is needed, stock injectors and fuel pump don't keep up. that and a tune would be needed for anything above E30. It's just not worth it on a stock engine, though.

Yeah, I've seen the factory S-trucks setup of E85... and always figured that, even if I were to add a turbo, I'd put some 10:1 pistons in it to take advantage of the increased octane content. Maybe even 12.5:1 slugs in a N/A app to take advantage of the vaporization of latent-heat characteristics it has.


Go beyond the "bolt-on".
Re: 'FUEL QUESTION" A GOOD ONE I HERD
Friday, May 15, 2009 11:37 PM
Nickelin Dimer wrote:take advantage of the vaporization of latent-heat characteristics it has.


Yup, ethanol requires like 3X the heat added to turn into a vapor. Latent heat of vaporization --> Gas: 900 btu/gal :: Ethanol: 2,400 btu/gal.
This means it can cool the in coming air charge much more than gas alone.

EDIT: Spelling.
EDIT: Elaborate

This is the whole idea behind WI, takes heat out of the air charge.





Edited 3 time(s). Last edited Friday, May 15, 2009 11:45 PM

"Never argue with an idiot. They'll drag you down to their level, then beat you with experience!" -Anonymous
Re: 'FUEL QUESTION" A GOOD ONE I HERD
Saturday, May 16, 2009 9:55 PM
And cooler air in means a lesser likelihood of detonation... Hence the mention of notion of using 12.5:1 slugs.


Go beyond the "bolt-on".
Re: 'FUEL QUESTION" A GOOD ONE I HERD
Saturday, June 06, 2009 12:31 PM
good info thanks i stick with running cam12 at 8$ a gallion only need 2 gal with less then half a tank
Re: 'FUEL QUESTION" A GOOD ONE I HERD
Saturday, June 06, 2009 1:23 PM
you are running 120 octane in a car that doesnt need it?



Im a Xbox 360 fanboy...and damn proud of it!!
Re: 'FUEL QUESTION" A GOOD ONE I HERD
Saturday, June 06, 2009 2:16 PM
99redz24 wrote:you are running 120 octane in a car that doesnt need it?


Given what I've read in other threads and from his profile, you sir are 100% correct.








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