can exh be to free flowing...
08-05-03, 06:46 PM
#3
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Yep. The turbo is under pressure anyways so even having the exhaust open at the turbine side of the turbo isn't going to hurt anything.
well maybe a fire but ........ whatever work right
well maybe a fire but ........ whatever work right
08-05-03, 08:33 PM
#5
From what I can remember about turbines from my thermo classes, is the bigger pressure differential, the more energy that can be extracted.
I would think that would translate into the turbo spooling faster if it did not have as much resistance to do so.
Just a thought
I would think that would translate into the turbo spooling faster if it did not have as much resistance to do so.
Just a thought
08-06-03, 07:26 AM
#6
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There is no such thing as "not enough backpressure" for *ANY* engine especially on a turbo car!
Having driven turbo cars with no exhaust to speak of, just the elbow the downpipe attaches to, I can tell you.. spool up is GREATLY enhanced!
NOW.. If you have insufficient wastegate you can run into a problem where you cannot control your boost level to where you want it, because it's TOO EASY to spin up that turbo. Of course the solution could be to get a bigger wastegate, or you could get a bigger hotside and make more power as a bonus.
Having driven turbo cars with no exhaust to speak of, just the elbow the downpipe attaches to, I can tell you.. spool up is GREATLY enhanced!
NOW.. If you have insufficient wastegate you can run into a problem where you cannot control your boost level to where you want it, because it's TOO EASY to spin up that turbo. Of course the solution could be to get a bigger wastegate, or you could get a bigger hotside and make more power as a bonus.
08-06-03, 12:51 PM
#7
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Originally posted by 87GTR
just seams that my turbo is spooling later now that I have gone to single 3 inch exh with only a muffler that 3" in and 4" out
just seams that my turbo is spooling later now that I have gone to single 3 inch exh with only a muffler that 3" in and 4" out
i went between an old hks sport and a new apexi n1 single on my t2 and the hks would make more boost than the apex. just because its shiny or single doesnt mean its better
mike
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08-06-03, 04:00 PM
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Originally posted by Icemastr
The Apexi N1 single is pretty free flowing, I would assume better than the HKS sport.
The Apexi N1 single is pretty free flowing, I would assume better than the HKS sport.
mike
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