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09-28-2005, 03:52 AM | #1 |
Scooby Specialist
Member#: 72263
Join Date: Oct 2004
Chapter/Region:
SCIC
Location: Los Angeles
Vehicle:2008 Impreza STi Dark Grey Metallic |
Vibration under acceleration
ive just recently started to notice when i accelerate in any gear, i start getting vibration thru the steering wheel, seat and floor. it happens after i build about 12psi of boost.
im just wondering if it is my clutch not being able to hold the power or something. i launched my car, slipped it at 4k and the clutch just start slipping when i came off it completely. thru first and 2nd. if the clutch is the problem, what recommendations do you guys ahve for clutch selection? only a conservative 270whp. mods: 2003 stage 4 wrx w/ 42k miles vf30 ported and polished, sti pinks, walbro stock transmission, clutch, ej205 ive looked in clutch shudder but im not sure if thats it. since its only when im boosting past 12 psi. thanks in advance.
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09-28-2005, 04:33 AM | #2 |
Scooby Specialist
Member#: 72263
Join Date: Oct 2004
Chapter/Region:
SCIC
Location: Los Angeles
Vehicle:2008 Impreza STi Dark Grey Metallic |
do you think transmission and engine mounts will fix the vibration?
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09-28-2005, 06:15 AM | #3 |
Scooby Specialist
Member#: 73073
Join Date: Oct 2004
Chapter/Region:
SCIC
Location: Anaheim/ LBC/ hayward
Vehicle:2006 EVO IX GG |
the same thing happen to me. Plus we got the same setup except i got a perrin fmic. My clutch been slipping for awhile. It was back to normal 2-3 months and now its start to slip again. I hope installing the ACT street clutch and maybe the lighten flywheel would fix that problem.
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09-28-2005, 04:11 PM | #4 |
Scooby Specialist
Member#: 72263
Join Date: Oct 2004
Chapter/Region:
SCIC
Location: Los Angeles
Vehicle:2008 Impreza STi Dark Grey Metallic |
i havea blitz fmic.
so its the clutch slipping just a little when boost starts to hit? ot really feels like something isnt balanced and is vibrating really fast. |
11-22-2005, 04:26 AM | #5 |
Scooby Newbie
Member#: 38502
Join Date: Jun 2003
Location: Melbourne, Australia
Vehicle:2003 STi Black |
I'm getting the same thing. It only happens under hard acceleration and it feels like there's a ball bearing inside the steering wheel itself is probably the best way to describe the vibration/rattle when accelerating.
Anyone have any ideas. |
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