quick overboost, spike question.

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Old Aug 9, 2011 | 10:37 AM
  #1  
Freshdot's Avatar
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From: NYC
Default quick overboost, spike question.

the quick low down,

greddy 18G with ATP 14psi actuator, hondata PWM boost by gear, s300.

i'm supposed to make 21psi from 3rd - 5th gears.

why on god's green earth will this setup keep spiking? I've set the boost by gear to as low as 16psi in 3rd and 4th and still I keep hitting my boost cut which is 22psi. I won't lie, the vacuum from the actuator to the PWM has a pretty decent kink in it..could something this stupid cause this? if not....thoughts and suggestions please.
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Old Aug 9, 2011 | 12:57 PM
  #2  
cdaiscool's Avatar
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From: Ann Arbor, MI
Default Re: quick overboost, spike question.

Has it ever worked? Did it start randomly? Are your hoses ran properly?

I'd get the kinked line fixed, and then go from there.
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Old Aug 9, 2011 | 01:11 PM
  #3  
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Default Re: quick overboost, spike question.

I've had issues controlling my boost since I first put the setup together, on the day of my tune my actuator wasn't positioned right i wasn't making my 21psi til really late in the RPM's..since i was unhappy with that, i probed around figured that out and fixed it. Now this stupid *** spike issue is the problem. I just want to make my 350 or so WHP when i'm supposed to and have it hold already..Jesus H. Christ.
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Old Aug 9, 2011 | 01:33 PM
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Default Re: quick overboost, spike question.

Fix your kinked line and go from there.
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Old Aug 10, 2011 | 08:19 AM
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Default Re: quick overboost, spike question.

What they said, fix the kink first.
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Old Aug 10, 2011 | 09:34 AM
  #6  
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From: NYC
Default Re: quick overboost, spike question.

will do, will have an update in a day or 2
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