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E85 and fuel lines (evo 8/9)
My Evo 9 has been sitting close to 6 years with e85 in the fuel tank and fuel lines, and I’m currently getting things back together slowly. Head and block are at the machine shop, t-case is on its way to getting rebuilt, and multiple parts are on order to get this thing back together and on the road by the end of the year. I’m debating on changing the fuel lines, as I’d really hate to dump $30k+ getting this car rebuilt, and then have my fuel pump or injectors plug up and give me issues. Anyone have any experience with a car sitting this long with e85 in it and having no issues with the fuel lines degrading? If there’s a kit out there that upgrades all the fuel lines I’d be interested in purchasing something like that. |
6 years with E85 is really bad if your fuel is exposed to atmosphere moisture. Check your fuel pump and all aluminum lines. My car sat 3 months without injectors so the fuel rail was open to atmosphere from end of February until last week. Here are a few pictures of my oem fpr
connection to oem fuel rail.https://cimg5.ibsrv.net/gimg/www.evo...0c6b374561.jpg https://cimg1.ibsrv.net/gimg/www.evo...28f2279fdd.jpg |
Hey Ben. (my oil pumping bud) Great to see the Red Beast being re-built
Definitely pull the pump & check the condition of the tank (post the pics). For sure a new FP is needed IMO Might be best to get turned on 91 first so we can get those lines cleaned out. Maybe a 2nd brush up tune after 2-3 tanks of 91 I bet the lines are fine (especially after a 91 flush) (my 9th year on E85) Joe :beer: |
Originally Posted by MinusPrevious
(Post 11828229)
Hey Ben. (my oil pumping bud) Great to see the Red Beast being re-built
Definitely pull the pump & check the condition of the tank (post the pics). For sure a new FP is needed IMO Might be best to get turned on 91 first so we can get those lines cleaned out. Maybe a 2nd brush up tune after 2-3 tanks of 91 I bet the lines are fine (especially after a 91 flush) (my 9th year on E85) Joe :beer: |
Originally Posted by 2006EvoIXer
(Post 11828220)
6 years with E85 is really bad if your fuel is exposed to atmosphere moisture. Check your fuel pump and all aluminum lines. My car sat 3 months without injectors so the fuel rail was open to atmosphere from end of February until last week. Here are a few pictures of my oem fpr
connection to oem fuel rail.https://cimg5.ibsrv.net/gimg/www.evo...0c6b374561.jpg https://cimg1.ibsrv.net/gimg/www.evo...28f2279fdd.jpg |
I'd check the condition of the fuel tank, I bet it's in a very bad shape. I let my car sit for 3 years with a tank full 93oct fuel & the fuel tank got totally ruined & I had to replace it.
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Got some time to tear apart the fuel pump assembly yesterday and it looked surprisingly clean |
Originally Posted by l888apex
(Post 11828875)
Got some time to tear apart the fuel pump assembly yesterday and it looked surprisingly clean |
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Originally Posted by MinusPrevious
(Post 11828876)
Thats good news Ben {thumbup}
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I’ll be swapping out the fuel pump anyway, and possibly some of the lines going to the fuel rail with the STM kit once the car is closer to completion. Bank account is drained after buying JRZ’s, paying for my head work, ordering all new pulleys, belts, head and main studs, head gasket, water pump, oil pump, and conrods in a weeks time :crap: |
The rubbers all look good & still very pliable
Great to have you back in the game again Cant wait for the completion :beer: |
That's nice to hear! I'll probably swap out my AEM 320 in about 3 months.
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Wow- I haven't been running E85 very much because I only drive my car a small few hundred miles a year. I do start it every 10 days (I have a reminder set on my phone) and let it run until the fans come on. Only time I don't do this is when something is taken apart and it won't run. My evo is pretty much only a project to work on (I enjoy working on it more than driving it). This makes me feel a little more confident to put some E85 in.
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I'm really happy to see this post and all of the positive things posted! I'm in the Navy and recently just left to go float around on the ocean. Being away from my car for about 3 months while it sits, unattended. I was super worried after seeing a post on facebook about not leaving a car with e85 in the tank. Granted my car only has about a 1/8th of a tank in it. I was stressing pretty bad. I guess the next thing to worry about is that I left my E-brake up :updown:
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I had two aftermarket fuel lines (feed from pump to rail and fpr return) dry up and crack from keeping E85 in the car parked for a while.
Glad to see yours doing well after all this time. |
Originally Posted by Evo9_Dubai
(Post 11829957)
I had two aftermarket fuel lines (feed from pump to rail and fpr return) dry up and crack from keeping E85 in the car parked for a while.
Glad to see yours doing well after all this time. |
Mine has been sitting for 2 years, the injector required cleaning and fuel pump wasn't flowing enough fuel while tuning on dyno. Also the fuel temperature sensor went bad.
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