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Re: Dave's Evo X Build/The Life of Dave blog
Glad to hear it wasn't fuel related, but makes sense based on the problems you described.
So after you dial in the MAP table, are you switching parts in one at a time, like the big intake pipe next for MAF scaling, then injectors, then E85? Hopefully if you follow a good progression you should have the car on e85 with the big injectors running like stock. |
Re: Dave's Evo X Build/The Life of Dave blog
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However, the plan is to finish dialing in MAP tables and the big ass MAF on stock injectors, move to dw1300's and scale, limp ass pump gas map (no idea on power for this, going to run like wastegate boost), then e85 and power time. I am hoping to have the car back on e85 by next week. |
Re: Dave's Evo X Build/The Life of Dave blog
Glad to hear you are getting this car dialed in finally! Proving Grounds or bust!
if bust then time to buy a v8.. ;) Shawn |
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Re: Dave's Evo X Build/The Life of Dave blog
Did some more logging today, car is almost ready for DW1300's. Things are moving now with Jon's help. My MAP tables were way low before causing close loop operation to be really icky and trims to have to do all the work, which was really sucky for normal driving. Obviously open loop was still solid before but now driveability is really starting to shine. The car feels better than stock right now, very very smooth.
Here is a snapshot of my recent log. LTFT is actually LTFT in use, so if you are using the idle one is diplays that or cruising it shows cruise. http://i21.photobucket.com/albums/b2...rentlogpic.jpg You can also see the different values the car is seeing for MAPcalc and MAFcalc and the actual load follows the lower of the two. We are moving on to getting the MAF dialed in better. I am guessing the closer you get those two calculations, assuming they are correctly done, the better the car will run. So as you can see still need some MAF work. DW said my injectors will be back Wednesday so hopefully another 1 or 2 revisions and we will be ready for them and I can actually do a pumpgas tune this thursday/friday and the weekend. I am also picking up a new wastegate from MAP, swapping for the newer/better turbosmart one that comes with the newer turbos. Mine struggled to hold 16psi on wastegate boost before and it was supposed to be a 25psi so I am guessing that was causing some spool/top end issues on the car. Better safe than sorry :) |
Re: Dave's Evo X Build/The Life of Dave blog
Another new MAP today. There is another table called the fuel calibration table that was smoothed out, seems to be helping too.
Back in boost now...5-10psi pull happened today. Feels good. I also learned a lesson today.... Do not flash a map on the car when you are already running late to work. I got a weird COM error from my laptop, seems to happen a lot as I am using a virtual machine. Well car got stuck in programming mode which if you cycle power on the car, you brick your ecu. So I had to sit there troubleshooting the virtual machine to hurry while the radiator fans spun forever. Was worried the cars mini battery was going to die. After 20 mins I had a successful reflash lol. |
Re: Dave's Evo X Build/The Life of Dave blog
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Re: Dave's Evo X Build/The Life of Dave blog
No, I don't think I can handle it, but I don't trust you either :)
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Re: Dave's Evo X Build/The Life of Dave blog
Logs looked good from today. Car is ready for the DW1300's.
Essentially what my car will be using is a purposeful hybrid of MAF and SD. Essentially 120 load and below will be MAF, above 120 load all SD baby. So I will be swapping the 1300's on tomorrow after work and get back to logging. It feels like I am making headway finally. |
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In theory SD should clean up the load curve up top too and allow a smoother powerband and possibly more power from smoothing it out. I guess we will see. |
Re: Dave's Evo X Build/The Life of Dave blog
Stock injectors, rail and fuel lines off...
http://i21.photobucket.com/albums/b2...6/a1093a87.jpg http://i21.photobucket.com/albums/b2...6/3578fdf9.jpg Big beefiness back in.. http://i21.photobucket.com/albums/b2...6/4f2e5660.jpg New hotness wastegate, old one behind... http://i21.photobucket.com/albums/b2...6/d4e68bfa.jpg And installed... http://i21.photobucket.com/albums/b2...6/24d54a48.jpg Threw on the new MAP, fired right up. HOwever, a very scary noise occured! Like really loud, sounded like heat shield rattle, but then i noticed it echoed through my exhaust so I thought I dropped something into there or in my turbo or something. Well I spoke with Baka/Jon and the only thing I figured it could be as the motor was running good was wg preload. He agreed, said the flapper was rattling crazy like. So looking at the wastegate I definitely didn't preload it enough. So I waited for the car/manifold to cool down. And it was a bitch to get the arm back off because the new wastegate is at kind of a funny angle. Finally got it off, but to preload it enough, I just cannot get the damn arm back on the flapper. So going to attack tomorrow again, maybe after some wheaties, but the turbosmart wastegate doesn't seem to move at all when I pull it like my other wastegates have, beefier i guess. Anyone possibly have an air pump or something to help get this wastegate open that wants to stop by tomorrow? I don't want to drive it because its so damn loud/rattly right now but I might have to in order to get somewhere with compressed air. If anyone can help just post up, thanks! |
Re: Dave's Evo X Build/The Life of Dave blog
Just got a tip that I can use a can of dust off to help out with this, so going to try that tomorrow. Still if anyone wants, you can join the fun!
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Re: Dave's Evo X Build/The Life of Dave blog
Yea, you shouldn't be able to even put the WGA arm back on the flapper arm w/o a compressor, read the directions--there's info on how to set the preload. Basically tighten it up about 2.5 turns from where it slips on easily.
Also, you might have the mounting bracket on backwards--mine was lopsided and I put the short end closest to the engine. I had it on the other way and the wga was not straight if I wanted to get it onto the arm. |
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Do you have the turbosmart one from MAP? It doesn't look like you can put this on backwards to me. The angled bracket also only fits one way and I lined it up the same as the one I took off. Just trying to figure out what you meant by the lopsided comment to make sure I don't have mine that way. |
Re: Dave's Evo X Build/The Life of Dave blog
Makin progress!
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Re: Dave's Evo X Build/The Life of Dave blog
Well in typical Murlo fashion this became much more difficult than necessary fixing the wastegate lol.
So I picked up some dust off on the way home from work and assumed I could get the hose on my wastegate over the nozzle on the dust off. The nozzle was way bigger! While trying to cram the hose on the nozzle, can slipped from my hands and dropped on concrete floor, cap exploded off, need to go get a new one! damn it. Now its getting dark and my dumb ass ran over my brand new LED shop light last night, so I didn't have one so I went on a mission to get new shit but it was just after 9pm. So after running into closed places everywhere I found some new tube/hose at Lowe's and a new dust off at target. No shop light as auto stores were closed. Got home got the contraption together and fired and just like hollywood said, extended the arm prefectly! It worked really baller actually lol. So got it back on and went to put the damn C/E clip on the flapper...dropped :( Spent 45 mins looking for it as I didn't have anything else I could really use. Even jacked the car up to pull the undertray, nothing. Then last ditch effort I grabbed my magnet hoping to get lucky and snag it, nope. So whatever, need to get a new one of those but had to make sure this fixed the terrible noise. Fired the car up, bam sounded great again :) So not the cleanest thing but I just need a new clip or cotter pin and I am golden again! Stopping by auto store tomorrow to grab a bunch in case I fail some more. Then back to tuning! |
Re: Dave's Evo X Build/The Life of Dave blog
Glad you got the issue fixed.
Why does it feel like someone needs to supervise your wrenching efforts? I kid .. I kid What happened last night sounds comical and should be on youtube. In all seriousness, the clip is probably sitting on the transfer case or cradle, worst spot ever to try and fish something out. |
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You don't have a small compressor? |
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And yes, dust off! No compressor yet, its on my list of tools to buy. The shit worked beautifully actually, I was very impressed haha. A guy on the national forums recommended it, said he carries it with him while street tuning to dial in wastegate preload, worked pretty dang slick :) |
Re: Dave's Evo X Build/The Life of Dave blog
LMAO!
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Re: Dave's Evo X Build/The Life of Dave blog
yeah, sorry.
Shawn had me cracking up though. Buy a small one, if you ever make it to the track I can see you wanting one. |
Re: Dave's Evo X Build/The Life of Dave blog
E clip on stupid wastegate arm, new DW1300 MAP loaded.
Logged it. Trims within +/- 3%. Lets do this shit. |
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:lol: sorry I couldn't resist.
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Re: Dave's Evo X Build/The Life of Dave blog
That hurts! Lol
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Re: Dave's Evo X Build/The Life of Dave blog
:flowers:
If you are cruising around sat. night hit me up. I'll be outside working on the car. |
Re: Dave's Evo X Build/The Life of Dave blog
First pull in a long time with some boost...car is feeling pretty good right now. I mean the pull felt doggy as its 10's for afr's, 19-20psi, 10* timing at most and pump gas, but its progress!!
http://i21.photobucket.com/albums/b2...umpgaspull.jpg Can't wait for some more boost and then finally some E85 again. |
Re: Dave's Evo X Build/The Life of Dave blog
http://i21.photobucket.com/albums/b2...26/Newplot.jpg
The car is pretty knock prone down low...(2500-3500) area so we are trying to dial it back there, but he thinks its just the motor noise. I guess we will know when he trys adding more fuel etc. edit: FYI, these numbers aren't really comparable to yesterdays...different road...this one wasn't flat at all, downhill a bit, so for sure inflated. But yesterdays where I went WOT was slightly uphill so whatever lol. I am not really doing the pulls for VD, simply for tuning but yea. |
Re: Dave's Evo X Build/The Life of Dave blog
So tonight while doing a WOT run, the car felt like it hit a wall. I thought maybe it was IC pipe or wastegate arm that popped off...nope none of that.
Spent like an hour reviewing logs and finally found that in my map the MAF tables above 3.4V were all messed up. Found out the MAF table either got corrupted or Jon just pasted the wrong stuff in for the high volt side. Anyway, glad it wasn't anything major, I was seriously like omg wtf just happened, As the car seriously flatlined (i thought the motor was toast again :() but its just that it fuel cut essentially... but it lives to fight another day! So, reviewed the cruise/idle logs. Mine are within 1-2%, car drives better than stock now. It's just WOT and partial boost pulls now, no more cruising around aimlessly. |
Re: Dave's Evo X Build/The Life of Dave blog
So Jon also showed me this which I have seen screenshots of before but never knew what it was. $25 for this software which is apparently ECUtek hacked, but damn, it makes reading logs so much damn easier.
Here is just a few quick shots of me playing around with it. WOT run from dyno above. (411whp one or whatever) http://i21.photobucket.com/albums/b2...26/logview.jpg Same run...as you can see MAP (Speed density) is the red line, MAF calc is the grey and actual load is the blue. Just so you can see how the Evo X ecu looks at those. http://i21.photobucket.com/albums/b2...6/logview2.jpg stupid jagged maf |
Re: Dave's Evo X Build/The Life of Dave blog
Latest pull today....car felt pretty damn good.
http://i21.photobucket.com/albums/b2...mpgas22psi.jpg Still a spot during spool where I think MAF drops a bit low and it leans out a bit, but Jon will clean that up :) Car honestly felt awesome for the first time in months, very smooth, and actually a bit of pep now! |
Re: Dave's Evo X Build/The Life of Dave blog
Nice! Now leave it alone and bring it to the PG :)
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Re: Dave's Evo X Build/The Life of Dave blog
^Can't, must smooth out the pump gas tune a bit more. It's still very very conservative. 10's AFR's and I think I just barely hitting 13* of timing up top.
Not sure what timing is safe on pump at 10:1 compression, I am guessing 14-15 is still "safe" but I will let the professional deal with that. I think I will be close to 500whp with a bit more fuel work, bit more boost and smoothing out. Not looking to break records with the pump tune at all. Then comes E85 fun. I think to even be close to competitive at PG i will need an E85 tune. I don't think I will do great there but the better I do the more fun I will have. |
Re: Dave's Evo X Build/The Life of Dave blog
When you get it tuned on corn lets run. From a roll or a dead stop
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oh, another bit of playing with logviewer. Here is another shot (better) of map calcs vs. maf calcs. Look how ugly the maf line is, then how nice the map line is...then notice how smooth load follows it! http://i21.photobucket.com/albums/b2...vsmafcalcs.jpg |
Re: Dave's Evo X Build/The Life of Dave blog
Looks like this new set up should make for a very real tuned car. You going to break 500 at db?
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Re: Dave's Evo X Build/The Life of Dave blog
Don't know...I would assume. Even on Shane's conservative tune my car hit 494 at DB last fall on E70. With more fine tuning and a lil boost I don't see why not.
My real goal has always been 600whp on a dynojet which is like 520ish on DB's dyno. We will see if I get there. Not going to push it but if it happens I will be happy. If not I have a few more mods to add yet (intake manifold and throttle body) then its on to a bigger turbo if I really want to add more power which I don't think i do. My car feels like a great balance of response/top end as I could expect out of a 4 cylinder (in an evo X at least). |
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