Thread: E85 fuel FAQ
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Old 08-14-2012, 12:30 AM   #2628
WRXt4cy
Scooby Specialist
 
Member#: 172698
Join Date: Feb 2008
Chapter/Region: MWSOC
Location: Des Moines, IA
Vehicle:
11 STi BW 8374 E85
02 v8 Spec C E85

Default

Yeah, you'd want to adjust all tables.

What size injectors did you put in? Did the guy that made your current tune scale these cranking tables down already or not? Normally you would reduce the cranking PW for bigger injectors running on gas by the value of old scaling / new scaling. For E85 you want to raise the PW back up quite a bit for lower ECTs and keep them down for higher ECTs (for hot starts).

As an example 1000s usually like about 20% more than stock PW for 68* and down, 10% around 86* and 30% less for higher ECTs.

If you think its too rich then try lowering it but usually E85 needs to be sprayed pretty rich for cold starts.

How cold is it where you are?
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