IHADAV8.com - Turbo Buick Tech, and Nonsense

Tech Area => General Buick Tech => Topic started by: trashmechlv on September 16 2013, 08:14:49 PM

Title: mixing e85 and 100 octane
Post by: trashmechlv on September 16 2013, 08:14:49 PM

Anybody tried mixing e85 in with 100 octane? I was searching on some sites but seemed to turn up old posts. Would it be beneficial for slightly higher octane and lowering cost? Maybe be able to run more boost?

Title: Re: mixing e85 and 100 octane
Post by: motorhead on September 16 2013, 08:22:11 PM

It will screw with your AFR... so no, it won't work.

Title: Re: mixing e85 and 100 octane
Post by: Steve Wood on September 16 2013, 09:34:18 PM

eric makes some e85 chips, but you need larger injectors and a good pump because you have to flow a lot more of it to make the power.  You don't get very far on a tank and alky is very corrosive altho the ethanol is not as bad as methanol

Title: Re: mixing e85 and 100 octane
Post by: Charlief1 on September 16 2013, 11:26:08 PM

On street gas you can run as much as 30% E-85 but on race fuel I don't think you'd want to use that much. Maybe 15% so you don't mess with your tune any.

Title: Re: mixing e85 and 100 octane
Post by: TURBOPOWERED68 on September 20 2013, 06:22:35 AM

i mixed E85 and 93 and the result was awesome.
The car must have been rich and the E85 leaned it out just right.
BTW i never went WOT just and few 10 psi pulls.
Idle and cruise seemed un affected.