50 vs 57

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01-25-2006, 07:19 PM

boostdummy

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50 vs 57

With a t3/t04e turbo what is the difference between the 50 trim and 57 trim? besides its bigger.

57 trim flows more? but less effiecent?

50 trim flow less?

what is a better turbo for a LS shooting for 300 whp on pump and 400 on race fuel?

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01-25-2006, 07:30 PM

SiAutoX

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Re: 50 vs 57 (boostdummy)

i have a built LS and im running the 57 and i made 402 at 25psi......tuner said that was almost maxing out my turbo......im not sure about the other, but maybe my numbers will help

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01-26-2006, 02:42 AM

boostdummy

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Re: 50 vs 57 (EF'n Turbo)

thanks for the reply....anybody else?

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01-26-2006, 06:57 AM

AaronJ

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Re: 50 vs 57 (EF'n Turbo)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by EF’n Turbo »</TD></TR><TR><TD CLASS="quote">i have a built LS and im running the 57 and i made 402 at 25psi......tuner said that was almost maxing out my turbo......im not sure about the other, but maybe my numbers will help</TD></TR></TABLE>

what .AR on both sides is it?

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01-26-2006, 07:03 AM

boostdummy

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Re: 50 vs 57 (AaronJ)

.63 turbo .60 compressor

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01-26-2006, 07:06 AM

AaronJ

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Re: 50 vs 57 (boostdummy)

no, i was directing that at EF'n Turbo.

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01-26-2006, 07:36 AM

ELSpool

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I've seen 50 trims make well over 450whp on ls/vtec's in the 25psi range. Can't go wrong with either!

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01-26-2006, 11:11 AM

SiAutoX

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Re: 50 vs 57 (AaronJ)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by AaronJ »</TD></TR><TR><TD CLASS="quote">

what .AR on both sides is it?</TD></TR></TABLE>

.63 and .60

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01-26-2006, 11:20 AM

90civichbsi

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Re: 50 vs 57 (EF'n Turbo)

I personally have the 50 trim, but ive also ridden in cars with the 57 trim. i personally prefer the response of the 50 trim more. it just seems to suit my b16 better

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01-26-2006, 03:02 PM

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boosted94cx

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Re: 50 vs 57 (EF'n Turbo)

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01-26-2006, 08:57 PM

#11

ExVtec

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Re: 50 vs 57 (boostdummy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by boostdummy »</TD></TR><TR><TD CLASS="quote">With a t3/t04e turbo what is the difference between the 50 trim and 57 trim? besides its bigger.

57 trim flows more? but less effiecent?

50 trim flow less?

what is a better turbo for a LS shooting for 300 whp on pump and 400 on race fuel?</TD></TR></TABLE>

I've got the same turbo.

406.8 @ 21psi.

I think with a few extra mods, thats with a stock intake mani.

I think upping the boost and a few more supporting mods, I can do close to 475whp w/it...

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01-26-2006, 10:06 PM

#12

*Boostwerks*

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I say 60 trim. Why loose the extra flow with the 57, and 50, and a marginal decrease in lag?

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01-26-2006, 11:00 PM

#13

SiAutoX

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Re: 50 vs 57 (s13-t)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by s13-t »</TD></TR><TR><TD CLASS="quote">

is that lane's old car?

and who did the tuning, rlz? </TD></TR></TABLE>

I have no Idea who lane is, lol and I had everything done in Maryland

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01-26-2006, 11:06 PM

#14

Dialectic

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Re: 50 vs 57 (EF'n Turbo)

Yeah I have been thinking about a 50 trim. I have a 57 trim on a B16a2 and I don't see full boost (16 psi) until around 5300. Is this normal, anyone? I have heard of LS motors on here hitting full boost around 4300. I don't know if people are exagerating or what, but that seems really fast compared to mine.

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01-26-2006, 11:21 PM

#15

Blackack26

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Re: 50 vs 57 (Dialectic)

50 trim precision(.63 A/R) on my ls/vtec, 10 psi by 4700

2.5" downpipe, 2.25" exhaust

Also: I have read on more than one occasion that the 50 trim compressor wheel in the SC50 is very efficient, more so than the 57 trim.

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01-26-2006, 11:29 PM

#16

The Original Whitey

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Re: 50 vs 57 (Dialectic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dialectic »</TD></TR><TR><TD CLASS="quote">Yeah I have been thinking about a 50 trim. I have a 57 trim on a B16a2 and I don't see full boost (16 psi) until around 5300. Is this normal, anyone? I have heard of LS motors on here hitting full boost around 4300. I don't know if people are exagerating or what, but that seems really fast compared to mine.</TD></TR></TABLE>

Whats the turbine housing A/R? The turbine housing size has a big effect on spool time.

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01-26-2006, 11:30 PM

#17

Dialectic

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Re: 50 vs 57 (The Original Whitey)

.60 compressor, .63 exhaust.

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01-27-2006, 12:30 AM

#18

JDM turbo DC

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Re: 50 vs 57 (Dialectic)

57 trim compressor, .63ar turbine wheel

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01-27-2006, 01:24 AM

#19

rsintegra

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Re: (ELSpool)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ELSpool »</TD></TR><TR><TD CLASS="quote">I've seen 50 trims make well over 450whp on ls/vtec's in the 25psi range. Can't go wrong with either!</TD></TR></TABLE>

I agree.

50 trim for me.