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Old 04-27-2012, 02:38 AM   #5801
99STM
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2002 Impreza WRX
AW (6MT, E85, EWG, VF39)

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Quote:
Originally Posted by Juks View Post
I've been running E85 only for ~15,000 miles, no issues. I intend to continue for another 100k!

It didn't break the gears, pretty sure it was the piece on the end of the shift rod. We will know more soon. And how, well, flat foot shifting every time I drove it at over 400whp for about a year. The last straw was a 2-3-4 flat foot shift where it stayed in 4th, 10 miles & about a dozen stop lights from home. Amazed I made it to my driveway. I think I put too much force into the shifter when the adrenaline is going. Something to work on I guess.
I used to put a little too much force into the shfiter as well. I broke the little nylon bushing in the shifter stay twice now. I have started to be a little smoother with the shifts now. It took me a little while to realize that forcing the shifter does not make the shifts any faster, it just breaks ****. Smooth is fast.
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Old 04-27-2012, 07:18 AM   #5802
SubieLuvin
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I've found that shifting slower and smooth is wayyyy more efficient than banging a gear... And well me being a five speed and all I can't bang anyways. I've lurked around here long enough. May 8th I am getting e85 tuned...final mod list

Pnp vf34
Txs full catless tbe exhaust
Gs pnp exhaust mani x pipe combo
Gs ewg uppipe w/tial 38 mm
Five 0 1000cc injectors
Wally 255
Gs mbc
Slowmotion motorsports fmic kit
Spt intake

Very excited... Pushing for 350 whp on a dyno jet. Recently did timing belt and all fluids. Car has 105 k on it. Let's see what the little vf can do!
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Old 04-27-2012, 08:05 AM   #5803
maxpowr
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sg3 Turbo Tek Tuned
Hakt Ecu e85 30r 6spd

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lil bigger on the fuel pump will do more?^^^?
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Old 04-27-2012, 08:08 AM   #5804
SubieLuvin
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If its an issue ill replace it but for what I'm doing I dk if ill really need much more. Only reason I went with 1k instead of 850 cc on the injectors was just for some wiggle room with duty cycles/future use; they were the same price anyway. The wally was already in as well.
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Old 04-27-2012, 08:35 AM   #5805
06rexwagon
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Quote:
Originally Posted by amalgrover

he broke a 6 speed the same way that i am on my 3rd set of PPG's...no two gearboxes are going to be identical in terms of strength. what breaks one, doesn't mean it will break another. if you ask any of the big transmission builders on here, they will tell you that they get broken 6 speeds more than most people would think...just like broken PPG's...it happens more than people know about.

...and btw...i also run e85 year round. i currently have almost 10,000 miles on the current long block (the heads, fuel lines, and injectors have close to 25,000 miles of e85 only).
Here's how I broke my 6 speed last year



Shift interlock arm snapped off.
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Old 04-27-2012, 09:33 AM   #5806
340Duster
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Quote:
Originally Posted by 99STM View Post
I used to put a little too much force into the shfiter as well. I broke the little nylon bushing in the shifter stay twice now. I have started to be a little smoother with the shifts now. It took me a little while to realize that forcing the shifter does not make the shifts any faster, it just breaks ****. Smooth is fast.
That's better than breaking a shift fork.
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Old 04-27-2012, 12:29 PM   #5807
Juks
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Quote:
Originally Posted by 340Duster View Post
That's better than breaking a shift fork.
Billet forks FTW. Trick is to find someone who can build it.
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Old 04-27-2012, 12:38 PM   #5808
340Duster
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'13 500 Abarth

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I can take the box apart. Well between my father and I, we put the MRT gears in mine. I just didn't think about those at the time. I like to think the stock aluminum ones are a light weight mod
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Old 04-28-2012, 07:57 PM   #5809
FuJi K
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Old 04-28-2012, 08:39 PM   #5810
bcblues
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Quote:
Originally Posted by FuJi K View Post
start your timers! 50-100mph


Speeding Bullet 3rd/4th gear - YouTube
8500 rpm redline?
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Old 04-28-2012, 09:19 PM   #5811
xluben
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10.9s @ 126mph

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Quote:
Originally Posted by FuJi K View Post
start your timers! 50-100mph

Speeding Bullet 3rd/4th gear - YouTube
50mph @ 5.25 seconds
100mph @ 9.08 seconds

50-100mph @ 3.83 seconds!
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Old 04-28-2012, 10:43 PM   #5812
FuJi K
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Quote:
Originally Posted by bcblues

8500 rpm redline?
what you see is what it is
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Old 04-28-2012, 11:10 PM   #5813
juanmedina
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07 FPgreen 7.37@95
WRX VF39+E85 12.0, 121mph

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So how much is making fuji? I need to get a video of mine. I hope I can beat that
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Old 04-28-2012, 11:24 PM   #5814
FuJi K
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NF Performance

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Quote:
Originally Posted by juanmedina
So how much is making fuji? I need to get a video of mine. I hope I can beat that
I seriously don't know. we will not dyno this car. if you can get the same amount of acceleration, you can guess just how much this car might be making.
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Old 04-29-2012, 11:33 AM   #5815
McFearless
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Maybe some one can answer this. Didn't want to start a thread but I got my car tuned last week on e85. It was running perfectly then yesterday I came out of a store and turned it on and the CEL light starts flashing, some thing beeps, traction flashes, and cruise flashes. I think some thing is weird so I check the codes and see a misfire. I drive it gingerly a few blocks to my home and turn it off. Googled misfires and see all the crap about ringlands.

I started the car up again and the lights were gone, I checked for signs of ringland failure with no smoke and the car runs and sounds fine. Is this just maybe a fluke because of the e85 switch causing a misfire. When I say I just got e85...I mean I'm still on my first tank of e85 gas. All numbers and afr look normal. I've been monitoring the feedback knock and at most saw -1.4 every blue moon mostly in 4th gear.
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Old 04-29-2012, 12:53 PM   #5816
Junior2JZ
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What injectors do you have?
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Old 04-29-2012, 12:56 PM   #5817
McFearless
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Id 1000cc
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Old 04-29-2012, 01:01 PM   #5818
McFearless
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Also dw65c if that makes a difference. Car is running great still this more. Amazing power and torque.
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Old 04-29-2012, 01:03 PM   #5819
jnorth85
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Quote:
Originally Posted by McFearless
Maybe some one can answer this. Didn't want to start a thread but I got my car tuned last week on e85. It was running perfectly then yesterday I came out of a store and turned it on and the CEL light starts flashing, some thing beeps, traction flashes, and cruise flashes. I think some thing is weird so I check the codes and see a misfire. I drive it gingerly a few blocks to my home and turn it off. Googled misfires and see all the crap about ringlands.

I started the car up again and the lights were gone, I checked for signs of ringland failure with no smoke and the car runs and sounds fine. Is this just maybe a fluke because of the e85 switch causing a misfire. When I say I just got e85...I mean I'm still on my first tank of e85 gas. All numbers and afr look normal. I've been monitoring the feedback knock and at most saw -1.4 every blue moon mostly in 4th gear.
This can happen now and then on initial start up if you try to drive the car right away after starting. The best thing to do is wait a minute before driving after start up.

The fuel pump runs at 100% duty cycle on initial start up and then drops duty cycle after a short time.
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Old 04-29-2012, 01:17 PM   #5820
McFearless
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That makes sense, usually I let my cars warm on the in the morning and after long rest periods. After I came out of the store I just kind of turned it on and pulled away. That's when I got the alerts. Lol after researching misfires and reading about ringlands I've been scared ****less some thing is going to happen. The shop that worked on my car does amazing work so I wouldn't expect a blown engine but the ringland thing kind of shakes you up. Thanks for the response.
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Old 04-29-2012, 01:48 PM   #5821
jnorth85
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Quote:
Originally Posted by McFearless
That makes sense, usually I let my cars warm on the in the morning and after long rest periods. After I came out of the store I just kind of turned it on and pulled away. That's when I got the alerts. Lol after researching misfires and reading about ringlands I've been scared ****less some thing is going to happen. The shop that worked on my car does amazing work so I wouldn't expect a blown engine but the ringland thing kind of shakes you up. Thanks for the response.
On E85 blown ring lands is less likely. You are much safer.

Im sure the car is fine, try waiting before driving it and see if the missfire code stays away.
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Old 04-29-2012, 01:59 PM   #5822
Phatron
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Also, you may need to play with your cranking and/or warmup enrichment tables.

and hot restarts can be an issue on fmic cars if the cold pipe was sitting there heat soaking while you were in the store.
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Old 04-29-2012, 01:59 PM   #5823
Phatron
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If you log the following, you can plot them out and it will tell you how you need to change the tables based on the AF correction. You can see in this log at startup its pulling 15-20% fuel at 60* coolant temps, then is adding 10% ~145*, then drops down and is pulling 5% around 180*. You can also see the AF correction is doing a great job as the AFR is steady ~14.7 but you can make a noticable difference in startup/warmup by smoothing it out.

AF Correction
AF Learning
AF Sensor 1
Coolant Temp


Last edited by Phatron; 04-29-2012 at 02:14 PM.
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Old 04-30-2012, 10:27 AM   #5824
WRXt4cy
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11 STi BW 8374 E85
02 v8 Spec C E85

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Quote:
Originally Posted by McFearless View Post
Maybe some one can answer this. Didn't want to start a thread but I got my car tuned last week on e85. It was running perfectly then yesterday I came out of a store and turned it on and the CEL light starts flashing, some thing beeps, traction flashes, and cruise flashes. I think some thing is weird so I check the codes and see a misfire. I drive it gingerly a few blocks to my home and turn it off. Googled misfires and see all the crap about ringlands.

I started the car up again and the lights were gone, I checked for signs of ringland failure with no smoke and the car runs and sounds fine. Is this just maybe a fluke because of the e85 switch causing a misfire. When I say I just got e85...I mean I'm still on my first tank of e85 gas. All numbers and afr look normal. I've been monitoring the feedback knock and at most saw -1.4 every blue moon mostly in 4th gear.
I'm still struggling with the same issue on my car. I logged the target AFR during a hot start and found that it was actually targeting AFR's in the 12's. My wideband shows high 10's and 11's.

I thought at first that the 100% fuel pump duty cycle was driving the AFR down but after a discussion on Romraider, I learned there is a table for hot start enrichment. Its defined in the Cobb software but not in open source yet. I'm guessing it add pulse width since I'm seeing AFRs richer than the target.

If you are Cobb tuned, your tuner should be able to adjust this and fix your issues. If you are OS tuned then you'll have to wait. I'm very temped to disable my misfire codes until this gets defined. This issue is getting old.

If you're seeing mid-load knock, have your tuner check to make sure its not going to rich in those areas. I was having similar issues when my AFRs dipped to rich, learning it out took care of it.

BTW - is your misfire code always for cylinder 4? Mine is which I find odd. I figured it might catch it on a random cylinder but maybe there is some logic in the ECU that says is there is misfire on multiple cylinders then pop the code for #4. If so, this suck because no one likes seeing misfires on #4.

Last edited by WRXt4cy; 04-30-2012 at 10:35 AM.
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Old 04-30-2012, 11:19 AM   #5825
McFearless
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My misfire is #4. I haven't got the cel again. I'm tuned via accessport and from what I've gathered the -1.4 feedback knocks are probably false. So far so good though, I actually ran the motor hard yesterday to test it and still doing good.
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