Turbo Surging???
#21
Thread Starter
TECH Senior Member
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Joined: Oct 2004
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From: Crystal Springs, MS
im still tryin to figure this out...
Say im WOT on the interstate and pull my foot off the throttle... my boost gauge goes instantly to 20inHg... i would think that it would take a second to bleed off the pressure...
i guess im wrong???
Say im WOT on the interstate and pull my foot off the throttle... my boost gauge goes instantly to 20inHg... i would think that it would take a second to bleed off the pressure...
i guess im wrong???
#22
GFYS and STFU
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From: Here and sometimes there too.
As soon as you let off it will go into vacume. The wave of pressure slam's into the TB and instantaneous goes back the other way. High pressure will always find low pressure to equalize and in this case it will go back out the turbo which is free spinning. Happens real fast.
#24
Just let out of the throttle slowly, it won't have the pronounced effect you are hearing when you slam the throttle shut.
After I put a long intake tube on my STS kit, the compressor surge sound is barely noticeable now.
The shorter your intake on the turbo the more you will hear the sound, a BOV will reduce the sound slightly but will not get rid of it.
Listen to my old videos and tell me if this is the sound your hearing, right after I get out of the gas.
http://video.performancetrucks.net/p...1-75CCCF33CBAE
After I put a long intake tube on my STS kit, the compressor surge sound is barely noticeable now.
The shorter your intake on the turbo the more you will hear the sound, a BOV will reduce the sound slightly but will not get rid of it.
Listen to my old videos and tell me if this is the sound your hearing, right after I get out of the gas.
http://video.performancetrucks.net/p...1-75CCCF33CBAE
#25
Originally Posted by nonnieselman
Now the big question....... what size BOV would suffice?\
Was lookin on Jegs earlier and found one for bout $100... but i dont know which one to get....
Was lookin on Jegs earlier and found one for bout $100... but i dont know which one to get....
38mm or bigger. I've forgotten your turbo size, but am thinking its a 67?
#26
12 Second Truck Club
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Joined: Jun 2006
Posts: 2,093
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From: colorado above 6000 ft.
Originally Posted by TG02Z71
Just let out of the throttle slowly, it won't have the pronounced effect you are hearing when you slam the throttle shut.
After I put a long intake tube on my STS kit, the compressor surge sound is barely noticeable now.
The shorter your intake on the turbo the more you will hear the sound, a BOV will reduce the sound slightly but will not get rid of it.
Listen to my old videos and tell me if this is the sound your hearing, right after I get out of the gas.
http://video.performancetrucks.net/p...1-75CCCF33CBAE
After I put a long intake tube on my STS kit, the compressor surge sound is barely noticeable now.
The shorter your intake on the turbo the more you will hear the sound, a BOV will reduce the sound slightly but will not get rid of it.
Listen to my old videos and tell me if this is the sound your hearing, right after I get out of the gas.
http://video.performancetrucks.net/p...1-75CCCF33CBAE
Yeah thats not what mine sounds like. Mine is more like a rattle snake flutter, kind of hard to explain. If I knew how to post vids I would. I just learned how to post pics.
#27
Originally Posted by WJ MARK
Yeah thats not what mine sounds like. Mine is more like a rattle snake flutter, kind of hard to explain. If I knew how to post vids I would. I just learned how to post pics.
Maybe even what waste gate your running has an effect on the surge sound too??
#29
Thread Starter
TECH Senior Member
iTrader: (10)
Joined: Oct 2004
Posts: 14,068
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From: Crystal Springs, MS
Originally Posted by TG02Z71
Just let out of the throttle slowly, it won't have the pronounced effect you are hearing when you slam the throttle shut.
After I put a long intake tube on my STS kit, the compressor surge sound is barely noticeable now.
The shorter your intake on the turbo the more you will hear the sound, a BOV will reduce the sound slightly but will not get rid of it.
Listen to my old videos and tell me if this is the sound your hearing, right after I get out of the gas.
http://video.performancetrucks.net/p...1-75CCCF33CBAE
After I put a long intake tube on my STS kit, the compressor surge sound is barely noticeable now.
The shorter your intake on the turbo the more you will hear the sound, a BOV will reduce the sound slightly but will not get rid of it.
Listen to my old videos and tell me if this is the sound your hearing, right after I get out of the gas.
http://video.performancetrucks.net/p...1-75CCCF33CBAE
Yea thats the sound it makes, ill get some videos this weekend.. gettin my trans back in tonight.



