Correct if you have a tune set for 550's you can run 740s and your car should run OK.. or what i tell a lot of 240 owners just throw some 370cc injectors in there.. that will run great and will actually lean you out a little bit on the stock computer which is GOOD for power since E85 has a higher octane.CrazyInteg wrote:drape123 I want to know your opinion. E85 is about $1 cheaper per gallon than premium here and we have about 5 stations in my city that sell it at a wide variety of prices.
So in your opinion can I buy 33% larger injectors (555 -> 740), adjust the FPR to get the proper AFR and call it a day? Would I want to advance my timing a degree or two? I know that it's not ideal for daily driving, but I would just be running rich which isn't horrible.
Specs : fully built SR, upgraded turbo, Enthalpy tune, Tomei FPR, Walboro 255 pump
True, you can either turn the fuel pressure up or get larger injectors.. for a NA car looking for a few extra HP you can drop in 370cc injectors and advance the timing 5 degrees and call it a day.. other than that you need a retune.WDRacing wrote:You can't just "run" E85. You need a way to increase the fuel flow, since E85 requires roughly 30% more fuel then pump gas does.
In a 2006 Accord I did run E85 with no problems, no alterations, exept the check engine light kept tripping due to the O2 sensor. But aside from that the car started, ran just fine for the couple months I did it until E85 and regular gas got too close in price to justify the use of E85.WDRacing wrote:You can't just "run" E85. You need a way to increase the fuel flow, since E85 requires roughly 30% more fuel then pump gas does.
Well I want to keep everything the same to get a fair dyno comparison. I'll keep you guys posted. I have a BUSY weekend coming up, but I'll try to get my dyno graphs scanned/uploaded before next Monday.WDRacing wrote:With the added boost you can run you should see more like 50 or 60 depending on the boost increase and timing ramp.
Um, running higher octane fuel has NO added benefits unless you increase boost or timing. Especially since you're going to be burning more fuel then compared to pump since the soich of E85 is about 30% richer.CrazyInteg wrote:Well I want to keep everything the same to get a fair dyno comparison. I'll keep you guys posted. I have a BUSY weekend coming up, but I'll try to get my dyno graphs scanned/uploaded before next Monday.
yeah E85 is miracle fuel. im running 16 degrees total timing up top at 30+ psi no detonation on a gt35S13FX wrote:Let me add this, at 8 psi on stock timing with E85 you will easily see at least 40tq extra to the wheels.
My friend and me went as far as going to 14psi on stock timing with e85, and had no detonation at all.
My guess would be anywhere after 14psi thats also depending which turbo you use.
We are using a Precision GT32. We haven't gone over 14psi on stock timing he has been driving like this for a couple months now. But I think that up to 14psi on that turbo stock timing is fine, and see very nice gains.
After that you might need to monitor timing closely and start pulling but I'm sure it wouldn't have to be much.
I don't know why this was directed at me.WDRacing wrote:Um, running higher octane fuel has NO added benefits unless you increase boost or timing. Especially since you're going to be burning more fuel then compared to pump since the soich of E85 is about 30% richer.WD
To correct WD- 850cc's with E85 are like 590cc's on gasoline.nelson8708 wrote:I havent bought the injectors yet. I am just trying to figure out whether to get 850 or 1000cc. I get what you mean on timing with bumping the low load cruising portion of the map. I am just worried that with out a good EMS or a injector driver i wont be able to control 1000cc injectors very well at idle and cruising. I think i am going to go with the 850cc injectors. I really dont want to get over 90% duty cycle but, i think the 850cc injectors suit me well for now. I think that is the max a walbro and stock fuel lines can push anyways.
Can a walbro push 1000cc injectors or is it maxed before that.