Forced Induction Custom FI Setup Questions

Power issues

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Old 11-06-2006, 12:41 AM
  #11  
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Default Re: Power issues

Originally Posted by RKSskier
even if vtec didnt kick in, I dont think the power would drop off that bad, yes it would gain as much but it wouldnt just drop like a rock
That is what really had me stumped, I thought it would kinda slowly drop off, not act like it hit a brick wall.

Originally Posted by mielko
anny noises out of the engine after running it at the dyno?and is the graph shown above, the onely run with that figure?
How dit you tune it(feul managment?)
Tuned with NepTune with 450's and a resistor box, no weird noises at the Dyno, did a good 12+ runs no probs but it occasionally stalling. Once I left, went to a gas station and it had issues staying started and I called the tuner to talk to him about it and get it fixed later, then after getting on highway the light came on slightly later. But every run at the dyno looked like that.

Originally Posted by CSaddict
If you dropped oil pressure I would pull the motor or at least pull it apart and find out why.
I did pull apart the bottom end, it actually spun all the main bearings, and rods were fine...kinda weird. I'm almost thinking about getting a new stock Z6 and putting my head with cam and springs on it and running lower boost. I might not be able to afford replacing bearings and ---- too. Just this time I'll make sure I put a restricor in line.

Originally Posted by mielko
did you start with 14psi at once or did you build it up from 0 psi to 14?
Started at 14 psi, I got the WG from a friend and found that it had a 14psi spring and not an 8 like we thought. kinda scared us at first when we were expecting 8psi.

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Old 11-06-2006, 04:01 PM
  #12  
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Default Re: Power issues

have you checked your cam timing? I have had engines run flat on there face before if the cam is 1 tooth off, advanced or retarted.
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Old 11-06-2006, 09:53 PM
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Default Re: Power issues

Originally Posted by eg_project
I did pull apart the bottom end, it actually spun all the main bearings, and rods were fine...kinda weird. I'm almost thinking about getting a new stock Z6 and putting my head with cam and springs on it and running lower boost. I might not be able to afford replacing bearings and ---- too. Just this time I'll make sure I put a restricor in line.
Damn that sucks man!! good luck with the rebuild
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Old 11-07-2006, 12:15 AM
  #14  
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Default Re: Power issues

Yeah, even the crankshaft had grooves in it. I'm just gonna throw a stock Z6 with a cam in and boost it.

Originally Posted by Importordomestic
have you checked your cam timing? I have had engines run flat on there face before if the cam is 1 tooth off, advanced or retarted.
It actually ran fine before, I think it was all oil pressure with the turbo getting too much and possibly a busted VTP sensor, so no VTEC and crap performance up high.
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