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what could be wrong with my gst?

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boostingsx98

10+ Year Contributor
158
0
Sep 23, 2008
Seven hills, Ohio
I currently have a 95 gst. Mods are 16g, full 3inch exhaust,fmic, walbro 255, ported and polished head. Boostin at 11-12psi. So here is the story. Yesterday i was driving my gst with my buddy and everything was fine. This morning i wake up to turn the car on and its idling a bit rough. So i let it warm up things got a little bit better. I started to drive it and i could go passed 3 thousand rpm because it would bog. So i check for a blown coupler or boost leak but i couldnt find one.. another weird thing i noticed is when i gased it in neutral i would build boost up to ten pounds! how is that possible?? Can anybody give me an idea or clue on what could be wrong with my gst?
 
I currently have a 95 gst. Mods are 16g, full 3inch exhaust,fmic, walbro 255, ported and polished head. Boostin at 11-12psi. So here is the story. Yesterday i was driving my gst with my buddy and everything was fine. This morning i wake up to turn the car on and its idling a bit rough. So i let it warm up things got a little bit better. I started to drive it and i could go passed 3 thousand rpm because it would bog. So i check for a blown coupler or boost leak but i couldnt find one.. another weird thing i noticed is when i gased it in neutral i would build boost up to ten pounds! how is that possible?? Can anybody give me an idea or clue on what could be wrong with my gst?

Like stated before you definately need a fpr for sure!;) Also Make sure you have NGK spark plugs in you car, they are the only ones you want to use in our cars. And there is only 2-3 types of spark plug wires you want to use with our cars, I would perfer the NGK wires 40$. If you don't have this in you car I would start there since it most likely is your problem, considering you are so rich.:thumb:
 
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