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ltho1998
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Albuquerque, NM Oct/22/02 User ID: 10630 Name: Lam
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8/29/2006 |
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I found a turbo kit that a guy is selling for 500 bucks (friend price). However, the drawback is that it includes a T25 turbo. I was at a local car show and picked the brain of turbo heads and basically got different answers. Some say that the T25 is too small of a turbo and the compression map does not work well with the B18B, others say that the T25 is fine and dandy.
The friend i'm buying the turbo from says it works fine. But i'm just wondering if anyone else has had experience with installing/running a T25 turbo on a G3, b18B teg
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Mah LS/VTEC ownz joo |
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PMP_C_TEG
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Raleigh/Wilm, NC Sep/08/02 2000 LS User ID: 7888 Name: Quintin
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12/19/2009 |
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I own a t25 but dont have it installed yet. I got it b/c of the quick spool times since it is so small. I'm not going for a big boost application so I figured it would be just great and I just couldn't pass up the price of 75 dollars for a t25 with only 20,000 miles on it w/ no play whatsoever.
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14.19@99 and counting Sig courtusy of Matt. my car |
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JustinKlemgold  |
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PA Mar/03/02 2002 Type-S User ID: 673
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9/9/2010 |
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What's wrong with a T25? Less spool up time, and you'll have plenty of power IMO. If I ever went turbo, this would be my weapon of choice...
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02 RSX Type-S. Love it.
HT and TI....pretty much the same now. Sad.  |
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Jspd
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Dallas, TX Jun/11/02 User ID: 3035
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7/11/2005 |
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too small IMO. i had one and sold it for a T3. if you spool to quick it hinders your traction off the line. i like my power band i bit higher up the RPM band.
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We'll always remember you! Aunie R.I.P.
Dont be an ass, just drive by. When i want to crush your ego, I'll let you know. |
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ltho1998
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Albuquerque, NM Oct/22/02 User ID: 10630 Name: Lam
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8/29/2006 |
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Jspd, how much boost were you running? At what psi did you begin to notice the turbo was not flowing enough?
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Vince
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Aug/16/02 1986 RS User ID: 6326
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- Unknown - |
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I have a Warner IHI RHB5, these are pretty small also...but fast spool up is what I want!
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shadowdawn
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Little Falls, NJ Sep/20/02 1999 LS User ID: 8728
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3/17/2006 |
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A t25 is too small for our motors, for like a b16 or civics its not too bad. But for a teg you won't get much if any top end power, and thats the only place our cars make power. Also traction will be an issue, as if we don't have enough problems with boost+fwd smaller turbos kill you that much more.
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DefiantGSR
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San Jose, CA May/31/02 1995 GSR User ID: 2578
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1/13/2009 |
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Quote: Originally posted by shadowdawn on Apr/06/03
A t25 is too small for our motors, for like a b16 or civics its not too bad. But for a teg you won't get much if any top end power, and thats the only place our cars make power. Also traction will be an issue, as if we don't have enough problems with boost+fwd smaller turbos kill you that much more.
our cars have a low rod ratio...we tend to have a good amount of power in the low-mid rpms. Our top end is what needs the help.
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PGMFI website
Uberdata website
Boosted hybrid website
^ for the serious enthusiast. |
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ltho1998
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Albuquerque, NM Oct/22/02 User ID: 10630 Name: Lam
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8/29/2006 |
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Well, i already have the manifolds n stuff to accomodate a T25. So would a 14B suffice? 16G? 20G? Note: I want to run stock internals and have no projections to break into 12 psi
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JustinKlemgold |
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PA Mar/03/02 2002 Type-S User ID: 673
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9/9/2010 |
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Quote: Originally posted by DefiantGSR on Apr/07/03
our cars have a low rod ratio...we tend to have a good amount of power in the low-mid rpms. Our top end is what needs the help.
Whaaaa? Are you sure about that? Seems every dyno I've ever seen from an Integra with VTEC, the power is up top...
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DefiantGSR
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San Jose, CA May/31/02 1995 GSR User ID: 2578
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1/13/2009 |
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Quote: Originally posted by Justin Klemgold on Apr/07/03
Quote: Originally posted by DefiantGSR on Apr/07/03
our cars have a low rod ratio...we tend to have a good amount of power in the low-mid rpms. Our top end is what needs the help.
Whaaaa? Are you sure about that? Seems every dyno I've ever seen from an Integra with VTEC, the power is up top...
Justin, I didn't say we dont make peak power at top rpms..i said we make a good amount of power at low-mid rpms and top ends needs help.
from the articles(page 2 & 3 of engine package 1):
A. Effects of Long Rods (High Rod Ratio)
They do not promote good cylinder filling (volumetric efficiency) at low to moderate engine rpms due to reduced air flow velocity. This type of rod will produce very good mid to upper RPM torque.
LOW ROD RATIO EFFECTS ON CYLINDER FILLING AND VOLUMETRIC EFFICIENCY (HOW WELL A MOTOR BREATHES)
- with a lower rod ratio, intake vacuum rises sooner ATDC and higher flow speeds can be reached earlier in the rpm range. Provides very good intake and exhaust velocities at low to moderate engine rpms causing the engine to produce good low end torque, mostly due to the higher vacuum at the beginning of the intake cycle
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scarecrowX
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Minneapolis, MN Mar/18/03 1994 RS User ID: 19400 Name: Karl
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5/15/2008 |
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in a teg, the T25 will fall flat on its face above 5000rpm. it may keep spooling, but you'll be so far out of the efficiency window of the compressor that you'll be feeding your engine something like 350* air. say hello to your new friend, detonation. the 14b would be a better choice if you already have a manifold that's ready for the T25 (they havve the same inlet/outlet flanges- the T25 flanges on dsm's are different than standard t-series flanges)
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1991 toyota MR2 turbo
1998 Audi A4 1.8T Quattro
2004 Nissan 350Z |
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Jspd
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Dallas, TX Jun/11/02 User ID: 3035
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7/11/2005 |
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i have not boosted my car yet but a friend of mine has with a t25 and was running 8 psi. his top end wasnt there at all. after like 4900-5200 there wasnt much at all. you could change the housing, but that wouldnt help much at all. id go bigger. from everyone i know with turbos and those who build turbo motors the t25 is too small. if you want talk to boostcontrol, or ski_rebel_3. they could give you some good advice.
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thomkatt
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cow-tippin in, OH Jul/26/05 1994 LS User ID: 59909 Name: Thom
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6/21/2010 |
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i have been trying to read up a little on T25's most articles ive read, offer little insight, ive gathered it will spool quick, but will fall on its face around 5200.
i have a T25 ( nissan ) setup , and basically i wanted some further insight from anyone with experience.
i plan on running 6lbs. stock engine(B18B).
this is not intended for drag racing, or top speed driving, i just want to play around with boosting my first car.
trying to make it a little quicker around town and on some curvy backroads. wanted to know how it would stil perform on the highway.
Ive been reading on HT,here, HMT and most threads reguarding T25's in integras just get off topic really quick or is full of people just arguing about what they"heard".
thanks in advance to anyone that helps. sorry to revice an obviously old thread, but this is where i was when i decided to just ask for someone to hold my hand and help me with this.
Justin, if you read this, is your belief in the T25 the same as it was when you replied to this post?
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the transformation!
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