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Old 04-03-07 | 04:58 PM
  #901  
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I cant find my other book (lent to a friend maby?)

but maximum boost says Aprox 450 feet per second is the max you want for airflow velocity in a tube in general

they say 600cfm is 293 cfs in a 2.5id pipe

maby 3" is to much

ive seen a few kits greddy included that have 2.75-3" compressor side piping, and post intercooler goes down to 2.5

I made all the piping in my IC setup 2.5
Old 04-03-07 | 05:06 PM
  #902  
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Originally Posted by Andy87t2
that is true, because if it was flowing better with less boost, i cold potentialy make the same power right? or more power even?
Potentially, if say the IC setup was restrictive

Originally Posted by Andy87t2
it would take longer to reach peak boost, but isnt it possible that it couldnt reach peak boost because of all the extra room it needed to fill? depending on the size of the turbo ofcourse.
it would make sence that it would take longer, more volume takes more well.. volume to bring up the pressure

Originally Posted by Andy87t2
because i almost doubt a stock s4 turbo would fill that much 3 inch piping and an intercooler and reach peak boost before redline.
Id tend to agree with you
Old 04-04-07 | 09:02 PM
  #903  
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yeah, i'm going with 2.5"
Old 04-05-07 | 09:14 AM
  #904  
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yea. No point in 3 inch unless you have a big *** turbo or really short pipes
Old 04-05-07 | 09:19 AM
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I just got a random idea.... What if you could same how integrate a bar and plate design into the piping itself, thus no need for an intercooler :o Im sending some plans to hks
jk but it would be pretty sweet imo
Old 04-05-07 | 10:46 AM
  #906  
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If they bar's were really long, the setup would be very restrictive because of much more surface area for the air to pass along

If the bars were really short.. you would have to have alot of them and the 'pipe' would end up something like 24x12x3... oh wait thats the size of my core


back to the drawing boards with ya!
Old 04-05-07 | 12:06 PM
  #907  
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LIES! Or a cryogenic system would ultimately have the same effect.
Old 04-05-07 | 12:11 PM
  #908  
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mcoman is logged on to my account so if anything retarded gets posted by me, blame it on mcoman
Old 04-05-07 | 12:11 PM
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no harm was done wile mcoman was loged in under tIIsleeper and all misleading posts have been edited

Last edited by tIIsleeper; 04-05-07 at 12:17 PM.
Old 04-05-07 | 02:50 PM
  #910  
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Originally Posted by tIIsleeper
LIES! Or a cryogenic system would ultimately have the same effect.
explain?
Old 04-05-07 | 03:09 PM
  #911  
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haha, just leave the a/c in there, and hook it up to run through the intercooler piping? or as a jacket for the piping? haha. that would be sweet, it would make just enough more power to make up for the paricitic loss from the a/c ! somebody try it. haha.
Old 04-05-07 | 03:10 PM
  #912  
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wow we need spring, we're getting a bit odd at this point.....
Old 04-05-07 | 05:05 PM
  #913  
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yeah we do need spring, however it just snowed.... Alot to the point i went snowboarding on a random hill yeasterday. i have over 6" snow left in my yard even after this low 40deg day

lame
Old 04-05-07 | 07:32 PM
  #914  
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is this meet still up?
Old 04-05-07 | 07:46 PM
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not sure.. its been so long that i dont even remember when the meet is
Old 04-05-07 | 07:57 PM
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alrigh casue there is 60 pages of it so oi just want to know the date
Old 04-05-07 | 10:19 PM
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not realy much of a date, more like several dates. just kinda a general mass/new england discussion thread realy now, but if there is a meet coming up, it will be posted on here.
Old 04-05-07 | 10:57 PM
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ight
Old 04-06-07 | 07:15 AM
  #919  
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Hmm NH is going to have to change there laws soon or my open wastegate is legal?


"Exhaust cutouts that allow gases to bypass vehicles muffler are illegal if they can activated from the operator inside the car"
Old 04-06-07 | 08:38 AM
  #920  
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you cant activate your wastegate can you? didnt think so!, and if it's a problem, just plumb it into your exhaust.
you guys in nh have it easy.
Old 04-06-07 | 08:39 AM
  #921  
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everything is illegal in ma. thats why i decided it would be best to go with a bnr, since its an internal wastegate. but i would just got with a t04b if i could run an external legally
Old 04-06-07 | 08:55 AM
  #922  
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bmwrx7 man, i see you are looking for an n/a i'll keep my eyes open for you, my friends neighbor sold a 90' gxl for 1700 last year with 60k original miles, and barely a scratch on the original paint.
i wasnt carefull, when i bought mine and ended up paying way too much for what i was getting.
Old 04-06-07 | 10:22 AM
  #923  
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yes we will have a meet sometime soon... should i just send out PMs to people now and get dates that work and don't work? that is what we did with the last meet. i think i'll jusy go ahead and do that..
Old 04-06-07 | 10:29 AM
  #924  
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Originally Posted by Andy87t2
bmwrx7 man, i see you are looking for an n/a i'll keep my eyes open for you, my friends neighbor sold a 90' gxl for 1700 last year with 60k original miles, and barely a scratch on the original paint.
i wasnt carefull, when i bought mine and ended up paying way too much for what i was getting.
damm please let me know i really want one idc as long as it runs nice and paint is ok thanks
Old 04-06-07 | 10:40 AM
  #925  
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Jacob, clear up some space in your PMs!!


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