Dartanian

I want to get a feel for how much timing most of you are running on E85. I made a new basemap today and the timing seems awfully high up top. Post your setup and how much timing you are running at a given psi.

Dartanian

Nobody runs E85 or has tuned with E85 and can offer some advice on timing up top? Weird.

mn_babyboy

Help this guy out. I want to know also.

nowtype

There is no answer to his question because timing is ultimately a setup per setup type thing.

Get an hour or two of dyno time and tune your ignition timing. Increase it until the power stops. With E85 on a moderate setup you aren't going to really have to worry about detonation so you can really afford to add too much timing as if you add too much you won't blow your engine to pieces.

Dartanian

Thanks for the response. I am not looking for a solid number because I know that all setups are different but I am new to tuning with E85 and getting a general idea of where the timing should be is more of what I am after.

I plan on tuning the ignition timing on the dyno at work and I know that E85 is very forgiving with timing advance but I want to be conservative with the basemap until I get a chance to get it on the dyno.

zex_cool

not sure where i read it but i think it was around 4* more then with regular gas, on average of course.