Neon SRT-4 Dodge Neon SRT-4 is the pocket rocket that took the import scene and turned it upside down.

3rd gear boost spike

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Old Aug 31, 2009 | 06:54 PM
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Default 3rd gear boost spike

SO i just bought my srt about three weeks ago .
just recently took it to the strip and noticed first and second gear hold boost at 17 just fine , shift to third and the boost spikes over 20 pounds, im guessing wastegate ???
 
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Old Sep 1, 2009 | 05:22 PM
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what mods does the car have? i think we need more info before we can help
 
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Old Sep 26, 2009 | 07:06 PM
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Originally Posted by srtabq
SO i just bought my srt about three weeks ago .
just recently took it to the strip and noticed first and second gear hold boost at 17 just fine , shift to third and the boost spikes over 20 pounds, im guessing wastegate ???
Did you get the boost issue sorted out?

 
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Old Dec 12, 2009 | 09:42 AM
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Still a problem i just take it easy now... No hard core gasin it atm.

The car is completly stock besides the mopar blow off as far as i know.

And it has a CAI

And an APG wastegate
And when i take the pin out of the WG it feels broke or lose like i can move it allll around.. Is that normal??

But i have still not fixed this problem.
 
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Old Jan 1, 2010 | 04:54 AM
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i usually run about 19 lbs but the other day i clicked third n it spiked 26 lbs n blew two hoses off wastegate? i put a boost controller on and it helped of course but it still tries n hits 19 sometimes n i turned it down to 16
 
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Old Jan 1, 2010 | 04:56 AM
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oh the adjustable wastegate isnt it? thats prolly why if its turning then its prolly changing the amount of boost of course if it is adjustable id replace that wg
 
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Old Jan 1, 2010 | 11:00 PM
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its the gearing of the transmission that makes a higher spike in different gears.

There is a locking nut on the AGP that needs to be tightened or else it will adjust itself. A boost controller or bleeder can be used to regulate the spike like you did, but optimum psi range for stock turbo is about 18-19.
 
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