Bnr k04-gt28
03-26-2011, 04:12 PM
#1226
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when i get my car fixed i will dyno it on 91 at 28 psi and then 50/50 at 28 psi. not sure about 100% e85 yet. but i might have to do a 60/40 meth/water or 70/30 if needed to help with more fuel.
Last edited by turbo_chevy_cobalt; 03-26-2011 at 04:32 PM.
03-26-2011, 09:03 PM
#1227
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03-27-2011, 10:21 AM
#1229
I know u want numbers bro but put it like this. On a meth tune and 26lbs i can see 450 coming easily.......... The turbo produces a good amout of air and spool time is decent. To get to the power goal it just means tuning to a extent. Advancing timing. Going a litttle leaner with the meth ect.
I know the answer and its not even close lol..
03-27-2011, 10:04 PM
#1233
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03-27-2011, 11:17 PM
#1234
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03-28-2011, 10:19 AM
#1235
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04-05-2011, 01:30 PM
#1241
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Well, I am going tonight to tune a 2860 car on the dyno. It's the dyno I always goto as well so I can overlay my old gas tune 22psi graph on the stock turbo vs the 2860 car.
He called me saying something about the coolant lines is different? I haven't installed one of these and the shop I use did the install. Anyone know anything about this?
He called me saying something about the coolant lines is different? I haven't installed one of these and the shop I use did the install. Anyone know anything about this?
04-05-2011, 01:36 PM
#1242
Ive been having an isolated issue on my side of things that has kept me from getting the car fully tuned and running right hence no dyno numbers. Ive done countless boost leak tests, Ive replace my o2 and fiddled with the MAF. The prob is low level knock at part throttle. WOT performance is outstanding though. Right when we get it tuned and running with zero KR in the low RPM where its occuring it randomly shows up and comes back later on.
Nick(BYT) has been awesome during this whole time and hes kept at it and at it and at it, poor guy lol
Im almost convinced I have a defective 2860
04-05-2011, 01:39 PM
#1243
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Im still wondering if its a leak between the turbo and manifold or the compressor cover. Only things left. You're welcome to try my spare MAF out for the hell of it!
Sending back an update now btw too
Sending back an update now btw too
04-05-2011, 01:47 PM
#1244
Well, I am going tonight to tune a 2860 car on the dyno. It's the dyno I always goto as well so I can overlay my old gas tune 22psi graph on the stock turbo vs the 2860 car.
He called me saying something about the coolant lines is different? I haven't installed one of these and the shop I use did the install. Anyone know anything about this?
He called me saying something about the coolant lines is different? I haven't installed one of these and the shop I use did the install. Anyone know anything about this?
housing.
Let me know how it goes!
04-05-2011, 01:54 PM
#1245
Yeah, Stamina has a spare MAF that Im going to try out I guess. Although when a MAF goes bad, it just stops working no? Wouldnt a leak in those areas you mentioned have shown up in during my plethora of boost leak tests? lol Im wondering if maybe somehow my breather lines got messed up during the install. Would that cause the symptoms we are seeing too?
04-05-2011, 02:03 PM
#1246
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No. You are testing the charge piping, not the manifold or compressor cover seal.
Edit: They txt'd me back, they figured it out already. Thanks for the info tho!
Edit: They txt'd me back, they figured it out already. Thanks for the info tho!
04-05-2011, 02:17 PM
#1247
Ive been doing the boost leak tests from the turbo inlet. I thought that pressurized the turbo too....???
04-05-2011, 02:23 PM
#1249
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If nobody posts their numbers by June then I'll get some and post. I'm finishing my Ph.D. and am supposed to defend in May so I am literally working all day every day. I haven't had a chance to even think about a dyno. I should have done it when I had a little more time when I first got the kit.
04-05-2011, 02:31 PM
#1250
If nobody posts their numbers by June then I'll get some and post. I'm finishing my Ph.D. and am supposed to defend in May so I am literally working all day every day. I haven't had a chance to even think about a dyno. I should have done it when I had a little more time when I first got the kit.
Last edited by cubaniche; 04-05-2011 at 02:31 PM. Reason: Automerged Doublepost