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Fixed

 

Freakish dyno pulls? Outrageous? Huh? I care to disagree my friend. My tune hasn't changed a friggin bit since I put down 407 and there was no doctoring to just make a glory pull. I daily drive the car 72 miles a day and the motor is about 500 miles from rolling over 60k. Even with the knock light setup I have which will flash slow at 4 counts and flash quickly at 8 counts, I haven't seen a blink. I have more the deepest confidence and trust in the amazing talents we have here in the northwest. I don't think anyone was trying to offend but just share our experiences with you and what might help.

 

I have a question to all. While running pump gas (91) with 25+psi what is your ignition timing?

Also what are your egt temps at that time?

This question is for a stock frame turbo on a 2.0 or 2.3L

 

Also I would like to know if you road race these cars that are tuned like that? 25 psi 5* of timing from 5k up. I am assuming your egts are above 1400F?

What would be the consequence of that?

 

Gas cars will cruise at 1050-1400. In an extended pull (20 minutes) my car with this setup never went over 1650. Ryons wont even turn the header red in a pull, but with the infared on it it didnt go over 1400 on the dyno. For the record his runs 13* out the top, -1* at peak boost, and at 5k is at 4* depending on how the car loads up. That is with cams, header, and SMIM.

We tune on 92, but that is irrelevant to this discussion since this is about E85. While I appreciate that you feel you have been called out since it was on your dyno and I assume you may have tuned it or an employee of yours did that is not what was intended. I offered some input on timing at peak boost and E85 in general and it was met with...disdain.

This is a tuning approach that Bryan (Razorlab) and myself have been playing with for awhile. I will dig up the thread but if you do a search for "Biggy boost on 91" you will see exactly what is possible if you put your mind to the task. We have the ability to run E85 now so the days of pumpgas and big boost are becoming less relevant.

 

Yes we do take that approach here as well. The issue is that the 2.3 would consume more volume that the turbo would flow. At that point hot hot air is of no use. In fact that car is running the appropriate timing but boost would have done nothing at this point.

I do agree on 2.0. As I run 29psi on pump on my car. I was running 41psi on my stock evo 8 turbo making 472tq and 400hp. I am very familiar with that style of tuning. But with this setup it did nothing.

Here is a link of my car on the stock evo 8 turbo with stock air box and stok air filter,stock cat running 41 psi on E85. The car currently runs a FS635 with a Buschur 2.0. I am far from shaby on tuning. I just dont want this to become a thread where my shop gets bashed on. Thats all. Also please note this car is road raced and ran at very prolonged periods of time.

http://www.socalevo.net/index.php?op...topic=66011.60

James Reese

 

Retuning for 30 psi - We'll see if my car likes it next week

Thanks for the advice

 

Big Block IX: What is the static C.R. on your 2.3 stroker motor?

 

holy crap nice power band nice nice

 

I made 438whp 471wtq on the stock turbo/stock block on 93+100%meth@33.5psi. There is definitely more power left in your setup.

 

Static C.R. is a term im not familiar with..

 

Static Compression Ratio

 

Actually, no. The E-85 should be capable of making the same power and running as high or higher boost than the MS109. My car hits 30-32 psi at peak TQ and then falls off to only 23-24 or so at redline.

I am REALLY impressed with your power curve though. The early torque is amazing (a full 500rpm sooner than my 2.0L/Green/E85 combo) and I am impressed that you can hold 400whp out to 7K rpm. With that kind of result there's no reason to push any harder!

One thing to consider, if you bought the E-85 any time after Sept in any place north of southern Texas, you most likely only have E75 or E80 . . . the "real" stuff would be significantly less knock prone. . .

EVOlutionary

 

Appendix a in either of the documents linked will tell you what class of fuel or minimum ethanol/alcohol content for a given month. What is interesting is the quote below (taken from doc. in link lists minimum content of ethanol or "higher alcohols"

If anything worht reading or saving to see what months you have a specific blend available at your local pump

Ethanol Classes as defined by the US dept. of Energy

ASTM volatility class 1=79% min. vol. 2 74% 3=70% or e70

Ethanol, plus higher alcohols 79 74 70

http://www.nrel.gov/docs/fy02osti/30849.pdf
http://www.e85fuel.com/pdf/storing-handling-e85.pdf