50 trim compressor/ .63 A/R turbine - Boost Forum

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50 trim compressor/ .63 A/R turbine
Sunday, February 20, 2005 11:45 PM
Heres the deal im lookin at runnin a T3/To4E with a 57 trim compressor and .63 A/R turbine which flows aboot 640 cfm according to this site i was checkin out, and a 50 trim with the same A/R flows aboot 588Cfm. So what im wonderin is whos runnin a turbo that size and what kinda numbers r u seein? it cuz i know the 57 trim will get more power but the 50 trim will spool faster. It seems like 52 CFM wouldnt make THAT big of a difference but i could b wrong. Any info as always is appreciated

Thx
Dan







You got this wierd flappin thing goin on with your lips, ya might wanna get that checked out.....

Re: 50 trim compressor/ .63 A/R turbine
Monday, February 21, 2005 6:44 AM
the size of the exhaust a/r makes a large difference. larger will gain you higher top end power and the other is great for low end spooling and quick power. personally i'd say go with the 57 trim.


I was a retard, and now I'm permanently banned.
Re: 50 trim compressor/ .63 A/R turbine
Monday, February 21, 2005 4:00 PM
i have a question how do u get the trim size if you only have the a/r



Re: 50 trim compressor/ .63 A/R turbine
Monday, February 21, 2005 8:46 PM
Re: 50 trim compressor/ .63 A/R turbine
Tuesday, February 22, 2005 6:33 AM
syn wrote:i have a question how do u get the trim size if you only have the a/r


trim is the compressor a/r


I was a retard, and now I'm permanently banned.
Re: 50 trim compressor/ .63 A/R turbine
Tuesday, February 22, 2005 7:01 AM
Personally Id go smaller. I run a 46 trim on my 2.2 and I can make 13psi by around 3500 or so. I think I would even consider swapping down to the 40 trim...

I had a 57 and it sucked.

Dan


YEP, my 60' times suck

247HP/267ftlbs at 13psi with built motor

Project updates and stuff: www.clubhousecustoms.com
email: dhc1902@yahoo.com
Re: 50 trim compressor/ .63 A/R turbine
Tuesday, February 22, 2005 8:03 AM
you are going to be flowing a lot of exhaust and making enough cfm to be spooling that 57 trim around 3500. you'll be making full boost at 6000. great for 15- 18 psi IF YOUR MOTOR IS BUILT AND THE FUEL SYSTEM IS READY FOR IT. my recommendations, larger injectors, walbro 190 pump, aeromotive adjustable fuel pressure regulator, never settle for those piece of @!#$ FMUs when dealing with over 8 psi. but if you are only planning to stay on stock bottom end... that 57 trim will be a taaaaaaad too big for ya


I was a retard, and now I'm permanently banned.
Re: 50 trim compressor/ .63 A/R turbine
Tuesday, February 22, 2005 12:04 PM
Wow lots of post with good info. i forgot tho i AM building a 2.4 motor and im swapin that in. so i wont b runnin the 2200.

KC- yea im gettin fat asss injeectors (workin on the equation right now) abd a bigger pump and fuel rail. I also have a S-AFC II and im workin on the Adjustable FPR too. so i think i should b set to run 15 psi at the track, but daily im only lookin at aboot 8 psi. Also does it really make boost that late on a 2.4? i really hope not other wise i got some changing of plans. LOL

Thx Dan







You got this wierd flappin thing goin on with your lips, ya might wanna get that checked out.....
Re: 50 trim compressor/ .63 A/R turbine
Tuesday, February 22, 2005 12:20 PM
Is this going to be a stock 2.4? If so I bet it doesnt breathe a ton better than my built 2.2.

Kane ran his 2.4 at 11psi I think (T3 super 60) and runs 13.7s or so if I recall correctly. He makes boost fast but is almost at the limit of the T3 (about 300HP MAX). I would still say the 46 trim will work just fine. The 46 trim is what Steve uses on his 3.1 turbo wagon, wtih great results.

Dan




YEP, my 60' times suck

247HP/267ftlbs at 13psi with built motor

Project updates and stuff: www.clubhousecustoms.com
email: dhc1902@yahoo.com
Re: 50 trim compressor/ .63 A/R turbine
Tuesday, February 22, 2005 1:03 PM
It really all depends on how much hp you want to make.


- 93 mph in the 1/8 mile
Member of J-Body Of Michigan.

Re: 50 trim compressor/ .63 A/R turbine
Tuesday, February 22, 2005 1:03 PM
KC Absolute Performance wrote:you are going to be flowing a lot of exhaust and making enough cfm to be spooling that 57 trim around 3500. you'll be making full boost at 6000.

Hitting full boost at 6,000 rpm with a T3 / T4 57 trim compressor with a .63 a/r turbine housing on a 2.4 ? That doesnt sound right at all. There are 2.2s ohvs out there running bigger compressor housings than that hitting full boost way before 6k rpm.
There was once a 2.4 running a 62-1 compressor housing with a stage 5 turbine wheel making 22-25psi before 6K rpm.






275hp & 306tq - 1999 2.2 ohv
13.2 @ 108 mph
-1996 2.4 liter + Turbo + Built motor + Torco + More boost = Lots o' Power
-2000 Mustang GT + 2004 Cobra motor, Whipple 2.3 supercharger,
built rear-end,Dodge Viper spec T56 6 speed, bolt-ons = wheelies at the track!!!!!


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