Well I have a 2.2 on a AEM infinity, 6766 forward facing, 2150s, DW300/AEM320 on a full blown double pumper. 2 stations just opened up less than 15 minutes away so iam on E85. My guage read 66.6% on the way home, 1/4th 91 and the rest E85. Anything I need to know? Cycle 91 after x amount of refills?

 

If you run a PCV and suck oily fumes into your intake manifold on decel, you should run a tank of 91 through every four of E85. This will help to remove buildup of any black injector gunk on E85 and may stop you from grenading your expensive motor.

 

Congrats for sure. I remember my first tune & run on E85 some 14 years ago. Love it!. Running 91 through now as the Gunk thing is real & we have a great thread that discusses it in detail.

The E85 just doesnt have the level of Polyisobutylene (PIB) as Gas does to control the buildup.

 

i'm tuned to flexfuel but have always run straight E85 and love the power. I've never put any normal gas through it, I suppose I have some anxiety now if there might be a motor issue if I try a full tank of 98, should I just run a couple of gallons and keep an eye on my AFRs and see how it goes?

 

I run E85 during the week and throw 91 in on weekends to keep balance

 

can you please link the thread??

 

@B00st_junkie

Heres the quote / article from a member who noted, "he's an Engineer" & follows the petroleum industry. Thread link (page 9 of the thread)
https://www.evolutionm.net/forums/e8...ispreloading=1

The deposits primarily consist of "Poly Iso Butylene," or PIB, a cleaning additive in the gasoline portion of commercial E85 blends. As far as we know, the ethanol itself doesn't directly cause this type of problem with injector and valve deposits. This PIB additive was never designed for use in high ethanol concentrations.

PIB is designed to soften engine deposits, but below a certain concentration (by total fuel volume) it is actually counter-productive. What happens is that with insufficient PIB by volume, the normal valve deposits don't soften. The PIB actually combines with these normally occurring deposits and makes build up worse.

Running PIB-free E85 is basically impossible in a practical sense. GM engineers ordered special batches of PIB-free E85, but in the real world the E85 still becomes contaminated with PIB because the entire fuel refining and transport infrastructure has traces of it. Still, with this very low PIB concentration E85 deposits can still occur at similar rates.

 

I just checked my injectors after 7 years of e85 and its super clean. must be something CA related

 

Unfortunately not as black and white as that. I was one of the first Evos on E85 and I ran E85 exclusively for 15 years or so when I lived in CA with zero amount of those issues. Others have had a ton of black gunk. :shrug:

I'm now in NY with an E85 station down the street but haven't been here long enough to do any long-term analysis.

 

Did you have to change any hoses? A tuner worked on mine and I dont know if any rubber part was changed out

 

where do you even keep your car? im in manhattan visiting for work where i will be for the forseeable future once we have our RTO and i think im gonna live in the jersey side to save money, and def not have any car here

 

You look like a West New York (Jersey) kind of guy I lived in Newark/Belleville NJ when I was working in Manhattan. Not sure how hard it is now to keep a car. Many guys closer to Manhattan do their car work in my apartment streets lol

 

I said NY, not NYC. We live about two hours north of Manhattan in the Hudson Valley. Tons of space and wonderful driving roads

When I worked in NYC we lived in Northern New Jersey. Plenty of space for cars there. The roads just completely sucked.

 

haha thanks guys. we are looking at jersey city or hoboken at the moment, maybe palisades park a little later.

 

Both those places are fast commutes to Manhattan via PATH transit. You can be in Manhattan in under 20 minutes. Jersey City will have more space for cars. Hoboken is very small, however, it's very lively with I think the highest concentration per sq/ft of bars and restaurants on the East Coast. I lived there for a couple of weeks. It is very lively, which means it's noisy ALL THE TIME and feels like a post-college playground. So, if you have outgrown that lifestyle, I would look more at Jersey City, which is also lively, but in a less obnoxious way.

I lived in South Orange NJ when I was commuting to Manhattan. It's more urban/suburban. Lots of space for cars. More family oriented. More green. I would take the NJ train to Hoboken and then PATH into world trade center every day. It would be about an hour and ten minute commute door to door. Which honestly was fine because you can relax on the train. Driving into Manhattan is an absolute nightmare and I would not recommend it.

Now we live on 3/4 of an acre in Upstate NY, with farms on one side and urban living right off the Hudson river on the other. I commute to my office in the house and I have all sorts of space for my toys. Rush hour here is when the buses line up to drop the kids off from school. hahah