createddeleted
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« Reply #30 on: April 24, 2012, 05:19:22 PM »
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Im going with a gt30 eliminator kit from atp. Best bang for the buck since a friend is a dealer. For now i'll be running stock maf on 10psi of boost max untill i put in a new timing belt and clutch.
I had a 28rs eliminator kit. Just /: The setup I have now with a real manifold is just so much better. Get a high flow manifold or ported one. |
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marcello7x
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« Reply #31 on: April 24, 2012, 08:05:38 PM »
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Im not building my block so i dont mind the less power. I know i can tune for less low end, but the slightly delayed spool because of the stock mani is a nice safety against rod bending low rpm trq spikez.
Then if i build the block i will build a custom tubular mani to replace the stocker, and the up pipe. But for my big power needs i have my hotrod with a stroked nitrous motor. Should dyno at 700 rwhp with spray. So i dont mind keeping my 1.8t tame.
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createddeleted
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« Reply #32 on: April 24, 2012, 10:09:27 PM »
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Im not building my block so i dont mind the less power. I know i can tune for less low end, but the slightly delayed spool because of the stock mani is a nice safety against rod bending low rpm trq spikez.
Then if i build the block i will build a custom tubular mani to replace the stocker, and the up pipe. But for my big power needs i have my hotrod with a stroked nitrous motor. Should dyno at 700 rwhp with spray. So i dont mind keeping my 1.8t tame.
Its not even about power. I had more fun with my stock turbo. However my eliminator kit, oil and coolant, even with an upgraded intercooler wanted to overheat nearly every time I hit traffic. |
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marcello7x
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« Reply #33 on: April 25, 2012, 09:54:46 AM »
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Good to know. Was it due to the cast up pipe design, or the stock mani itself?
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marcello7x
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« Reply #34 on: April 26, 2012, 06:12:49 AM »
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Back on topic a bit. Does having a high KFMIRL and limiting it down quite a bit by LDRXN cause a significant loss in resolution in the code?
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marcello7x
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« Reply #35 on: July 04, 2012, 08:59:55 AM »
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Back to tuning this thing once again. Since the last posts i have built the motor with new rods, bearing and rings, installed a t28 flanged mani, 630's and inline pump. I ran a long to check afr last night and everything is running safe at 10 psi. Am at the limit of my stock maf, and going to run a mafless log, If all is still in check, im then going to bump up the ldrxn to around 15-20 psi and log from there.
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Jefnes
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« Reply #36 on: July 06, 2012, 12:09:34 PM »
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Still trying to work with this c2 file?
Give potter/collier a call: 502 895 3660
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marcello7x
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« Reply #37 on: July 11, 2012, 12:24:23 PM »
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I would have been better off starting from scratch, but at this point its running and driving. Put about 1500 miles with it, putting on a bigger maf housing today and seeing of that was the bottleneck and how bad it was.
Basically drivability is great, power isnt where is should be. But since its my daily i can work on it as i go without much worry. Currently i can only benchflash at work, so tuning it will take some time since its alot of trial and error for a noob.
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azaiats
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« Reply #38 on: July 11, 2012, 03:02:09 PM »
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Why bench flash it? You can't flash it with nefmoto?
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2003 1.8T AUQ @ 06A906032HP - k04/e05 20psi - 317cc @ 4.5fpr - K&N @ stock box - ceramic clutch - 18" tsw wheels @ yoko's 235/45/18 @ eibach lowered springs deka's 870cc in on the way down... boost wait for me  |
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marcello7x
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« Reply #39 on: July 12, 2012, 09:37:46 AM »
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My laptop doesnt want to place nice...its killing me.
So after some research i found that the regular wideband 1.8t maf sensor element is the same part number as the 225 tt element. So throwing it in a vr6 housing should make it the same as a 225 maf. With the 225 maf table it doesnt want to idle well. Not sure if it is due to turbulent air or not since all i have is a cone at the end of the maf.
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marcello7x
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« Reply #40 on: July 12, 2012, 10:33:36 AM »
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the idle search went away after a few minutes of driving so i believe i have the correct map. It pulls just under 3 g/s at idle. I went to go for a wot pull after seeing the afr fairly safe and my laptop died. Going to log a run on my way home from work and post it up.
I feel im not making as much power as i should at 20psi. What do you guys suggest logging?
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kenmac
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« Reply #41 on: July 12, 2012, 10:45:00 AM »
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If the boost is there, and the fueling is there, but the power is missing, your likely culprit is timing. What do your CFs look like at WOT? Adjust timing so that the corrections are somewhere between -3 and -6.
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marcello7x
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« Reply #42 on: July 12, 2012, 11:26:22 AM »
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I'll look at timing on my drive home. From memory i was around 20* btdc at WOT. But im really need to confirm this.
What is timing usually set to, i never ran logs on a stock, or let alone any car before.
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azaiats
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« Reply #43 on: July 12, 2012, 02:54:11 PM »
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I read this somewhere, but need to confirm/check out:
"As for ignition timing I'd start with around 25-27* at 0 psi. Ramp it down to around 12* at 15 psi. High vacuum areas will probably want 35-40*. After your torque peak you can start feeding back a little more advance. Probably 3* total between torque peak and redline. That should get you in the ballpark. Keep an eye on the knock detector and read the plugs often to look for signs of detonation."
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2003 1.8T AUQ @ 06A906032HP - k04/e05 20psi - 317cc @ 4.5fpr - K&N @ stock box - ceramic clutch - 18" tsw wheels @ yoko's 235/45/18 @ eibach lowered springs deka's 870cc in on the way down... boost wait for me |
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marcello7x
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« Reply #44 on: July 12, 2012, 03:26:30 PM »
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I read this somewhere, but need to confirm/check out:
"As for ignition timing I'd start with around 25-27* at 0 psi. Ramp it down to around 12* at 15 psi. High vacuum areas will probably want 35-40*. After your torque peak you can start feeding back a little more advance. Probably 3* total between torque peak and redline. That should get you in the ballpark. Keep an eye on the knock detector and read the plugs often to look for signs of detonation."
Thanks that helps alot, very close to what im seeing. Here is the log, its pulling up to 8*. Car pulls much better now that the fuel trims have adapted a bit. Im going to look at adjusting those but that will be in another post, i just want to get the log up here. PS i need to check intake air temps, its hot out and my front mount is undersized. No spare $$ at the moment for a bigger core. |
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