BorgWarner Opinions
#26
Just in time to die
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Originally Posted by GoodfellaFD3S
Supposedly the ported shroud will decrease compressor efficiency slightly and lead to a bit of lag. Any comments ron?
-S-
*edit nevermind chris basically beat me to it.
Last edited by Zero R; 09-15-06 at 02:58 PM.
#27
Original Gangster/Rotary!
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Here is where I picked up the 'decreasing comp. efficiency' from:
http://www.turbobygarrett.com/turbob...o_tech103.html
<<A Ported Shroud compressor (see Fig. 2) is a feature that is incorporated into the compressor housing. It functions to move the surge line further to the left (see Fig. 3) by allowing some airflow to exit the wheel through the port to keep surge from occurring. This provides additional useable range and allows a larger compressor to be used for higher flow requirements without risking running the compressor into a dangerous surge condition. The presence of the ported shroud usually has a minor negative impact on compressor efficiency.>>
I'm still thinking about running one just to get the sound
http://www.turbobygarrett.com/turbob...o_tech103.html
<<A Ported Shroud compressor (see Fig. 2) is a feature that is incorporated into the compressor housing. It functions to move the surge line further to the left (see Fig. 3) by allowing some airflow to exit the wheel through the port to keep surge from occurring. This provides additional useable range and allows a larger compressor to be used for higher flow requirements without risking running the compressor into a dangerous surge condition. The presence of the ported shroud usually has a minor negative impact on compressor efficiency.>>
I'm still thinking about running one just to get the sound
#28
Just in time to die
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I agree totally with what they say there, from the person I've spoken to there, it's not the kind of decrease I was led to believe. They were explaining it to me as a shift in the map more than a actual decrease, come to think of it if it pulls the map as a whole to the left it could slightly I guess, who knows. Either way I haven't seen it negatively effect anything other then a slightly softer response which isn't a bad thing. Broken09's car could use that when at 20+psi. It's just too violent for street rubber when it comes on and is actually more enjoyable at 17psi.
-S-
-S-
#29
Yes its slow
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I switched to the MP GT-45. It uses the Anti surge housing..I couldn't tell you the difference, since they all come with that housing but, I have heard alot say that it does change the surge line and broad'n the comp map. Then I've heard its mainly for diesel apps since they are running hi boost for longer periods of time, it quiets the "spooling" sound and makes it a whistle instead. Im still looking into it. BUT, I will tell you mine is very loud, whistly wise and a makes distinct noise upon hi-rpm decel from boost(not the bov)...I dunno could be me.
#30
Please somebody help!!!
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So i know that you can send other brand turbos to turbonetics for a custom ball bearing center cartridge. is there any way to get an extended tip wheel into a non BW housing? I'm not looking for 550hp and would rather have faster spool.
#32
Just in time to die
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Originally Posted by NissanConvert
So i know that you can send other brand turbos to turbonetics for a custom ball bearing center cartridge. is there any way to get an extended tip wheel into a non BW housing? I'm not looking for 550hp and would rather have faster spool.
-S-
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