jet engine like stock turbo sound
#1
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jet engine like stock turbo sound
i was wondering if FD stock turbo supost make a high pitch sound when acc. from 1000rpm~4500rpm (primary only) ?
I mean, its loud enough that you can hear the turbo spooling from a block away. Im not even sure if its a stock twins or modified twins, since i bought it used 1-2yrs ago. (no mechanical problem with turbos)
so, is that nomal?
I mean, its loud enough that you can hear the turbo spooling from a block away. Im not even sure if its a stock twins or modified twins, since i bought it used 1-2yrs ago. (no mechanical problem with turbos)
so, is that nomal?
Last edited by ooEfiniRx7oo; 04-09-04 at 03:31 AM.
#2
I'd say it depends on the mods the car has (not just im the turbos are modded). Mods like intake dp and upgraded boost definately will make the turbo louder, but I'm not sure loud enough to here around the block...
To give you an idea, after I added intake I was able to hear a hissing sound inside my car when the turbos spooled up.
GL
Jason
To give you an idea, after I added intake I was able to hear a hissing sound inside my car when the turbos spooled up.
GL
Jason
#3
I'm a CF and poop smith
you should not beable to hear your turbos spool up a block away! even with a T51-kai, i doubt you could hear it a block away. perhpas something is scraping...
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SPOautos
yea my primary sounds like that "dentist drill" when the boost goes above 0.6mm^cm2.
and it literary sounds like a Bowing 747 Aircraft jet engine spooling up....lols (yes i work with passanger aircrafts)
yea my primary sounds like that "dentist drill" when the boost goes above 0.6mm^cm2.
and it literary sounds like a Bowing 747 Aircraft jet engine spooling up....lols (yes i work with passanger aircrafts)
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Sounds like a bad thrust bearing then.....rebuild time
You can check it by pulling the intake pipes off and seeing how much play is in the compressor wheel. Just nudge it from side to side and front to back. You should only have a small amount of play side to side (like a 1mm) and you shouldnt have ANY play front to back.
STEPHEN
You can check it by pulling the intake pipes off and seeing how much play is in the compressor wheel. Just nudge it from side to side and front to back. You should only have a small amount of play side to side (like a 1mm) and you shouldnt have ANY play front to back.
STEPHEN
Last edited by SPOautos; 04-09-04 at 03:45 PM.
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Originally posted by SPOautos
Sounds like a bad thrust bearing then.....rebuild time
You can check it by pulling the intake pipes off and seeing how much play is in the compressor wheel. Just nudge it from side to side and front to back. You should only have a small amount of play side to side (like a 1mm) and you shouldnt have ANY play front to back.
STEPHEN
Sounds like a bad thrust bearing then.....rebuild time
You can check it by pulling the intake pipes off and seeing how much play is in the compressor wheel. Just nudge it from side to side and front to back. You should only have a small amount of play side to side (like a 1mm) and you shouldnt have ANY play front to back.
STEPHEN
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Re: jet engine like stock turbo sound
Originally posted by ooEfiniRx7oo
i was wondering if FD stock turbo supost make a high pitch sound when acc. from 1000rpm~4500rpm (primary only) ?
I mean, its loud enough that you can hear the turbo spooling from a block away. Im not even sure if its a stock twins or modified twins, since i bought it used 1-2yrs ago. (no mechanical problem with turbos)
so, is that nomal?
i was wondering if FD stock turbo supost make a high pitch sound when acc. from 1000rpm~4500rpm (primary only) ?
I mean, its loud enough that you can hear the turbo spooling from a block away. Im not even sure if its a stock twins or modified twins, since i bought it used 1-2yrs ago. (no mechanical problem with turbos)
so, is that nomal?
Well, two different times I had that same type of loud vaccum like spooling noice. The first time was when my intercooler piping came loose when I was driving and afer tightening it the noise went away. The second time was when a shop that put my charge pipe back on for me, put the vaccum lines on wrong so it was making that loud spool up noise just like you described. I'm guessing you made sure your intercooler piping is fine, so I would get a expert to make sure that your lines are correct. It worked for me.
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I know its not the intercooler piping because I have just replaced them with greddy and it's doing the same as before. As for the lines, im not sure...so i guess i'll check that out.
thankx
but yes, it does sounds sOOOO good!!
thankx
but yes, it does sounds sOOOO good!!
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