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Old 12-22-2011, 09:05 AM   #76
vicious_fishes
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http://www.full-race.com/store/turbo...180-turbo.html

someone send them one of these to compare
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Old 12-25-2011, 02:30 PM   #77
CatfaceType-R
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Quote:
Originally Posted by stretchedk7 View Post
whats up carmi ^ and what turbo? its not the hta86 right?

Hey rob, merry Christmas to you and your fam. Sorry for the late response, had to double check some facts; it's the MAP EF4. It's ridiculous and makes the fpblack outclassed.
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Old 12-25-2011, 02:53 PM   #78
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Quote:
Originally Posted by soon2bblackongold View Post
Hey rob, merry Christmas to you and your fam. Sorry for the late response, had to double check some facts; it's the MAP EF4. It's ridiculous and makes the fpblack outclassed.
outclassed



2.3L FP black....., the EF4 is not even BB...

I can't wait to install my FP Black
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Old 12-25-2011, 07:23 PM   #79
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If you really want to compare dyno charts of what a turbo can do on an Evo, this is why I bought the HTA GT3794...A few words and the dyno chart from their website. I am not looking for a sub 600 HP turbo. I am looking to build something way too nasty for the average guy on the street. I also want to drive the car and sometimes you just get things going before making it over the top. When I go to the VP C16 tune, I am looking to get near 750-800. For a street car with a leather interior, that ain't bad.

This unit has a standard GT35R configuration, so it can easily replace an existing GT35R without modifying the header or manifold. It is available in either 3" vband or 3" 4 bolt outlet. No other turbine housing options are available at this time.

This turbocharger is recommended for applications running 40psi boost pressure that target the 800-900whp range. The FP HTA™ GT3794R has exceeded 900whp easily during testing as well has running 8's in the quarter mile with trap speeds in excess of 160mph.
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Old 12-25-2011, 08:18 PM   #80
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Needs C16, a retune and the power will show.

C
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Old 12-25-2011, 09:29 PM   #81
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Nice Set Up!!!
Hey Clark would it be worth getting rid of my GT4094r for a hta 3794r I wonder how the spool and power would match any ideas please.
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Old 12-26-2011, 08:24 AM   #82
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Quote:
Originally Posted by juanmedina

outclassed

2.3L FP black....., the EF4 is not even BB...

I can't wait to install my FP Black
For sub ~600whp yup, definitely outclassed and will be on a Subaru 2.5 even better.

I love your fp black dude, but just saying this ef4 is the tits, spooling in the 3k's and 600whp??? That's no joke
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Old 12-26-2011, 10:17 AM   #83
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Quote:
Originally Posted by soon2bblackongold View Post
For sub ~600whp yup, definitely outclassed and will be on a Subaru 2.5 even better.

I love your fp black dude, but just saying this ef4 is the tits, spooling in the 3k's and 600whp??? That's no joke
This the graph that I think you are talking about:



The FP black that I posted spool faster and it is a 2.3L vs a 2.4L... Plus I believe the EF4 turbo is running a ball out tune with more boost.
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Old 12-26-2011, 01:55 PM   #84
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Quote:
Originally Posted by juanmedina View Post
The FP black that I posted spool faster and it is a 2.3L vs a 2.4L... Plus I believe the EF4 turbo is running a ball out tune with more boost.
The FP Black is also capable of 730+ AWHP.
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Old 12-26-2011, 05:30 PM   #85
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From what I've seen in Evo's (There's not a whole lot of info on this EF4 Turbo) It seems to spool a little slower than an FP Black... It also seems to make about the same power as an FP Black or maybe even a little less (More people need to push it to see if it can crack 700+ like some FP Black's have done before). All this is to be expected since their size are comparable.

My biggest concern about the EF4 would be the reliability... this thing being thrust bearing and trying to do 35+ PSi... I don't know but it might need one hell on an engine oil! Just like the FP Black's, but there a lot of people running them and they are proven.

Bottom line... I'm not seeing the magical 3000+ rpm spool/600 WHP Turbo.

About ther OP 3794... I'm impressed by the spool... powerwise I'm not impressed. Maybe the C16 Map changes my mind... good luck!
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Old 12-26-2011, 07:25 PM   #86
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q16 or bust!!!
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Old 12-29-2011, 03:44 AM   #87
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Quote:
Originally Posted by Speed View Post

About ther OP 3794... I'm impressed by the spool... powerwise I'm not impressed.
That sounds like as if the relatively (too?) small turbine side is the culprit here: it helps spool quickly, but chokes the turbo up top.
Sounds like a textbook example of it?
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Old 12-29-2011, 08:56 AM   #88
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This turbo wasn't designed to be run at 22 psi, so it's power is going to be down for now. Once the boost gets into the 30's it should really start to pick up power.
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Old 01-01-2012, 10:26 PM   #89
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I think once it's aired out a bit it will start to throw down. It's probably happiest between 28-38 psi I would think.?
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Old 02-19-2012, 10:42 AM   #90
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The OPs car was tuned yesterday. 604hp/520tq at 30psi

Hybrid motor, built long block
GS2 cams
Stock intake manifold
Modded WRX injectors
Single intake fuel pump
No aftermarket fpr
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Old 02-19-2012, 11:08 AM   #91
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Quote:
Originally Posted by Matt_H View Post
The OPs car was tuned yesterday. 604hp/520tq at 30psi

Hybrid motor, built long block
GS2 cams
Stock intake manifold
Modded WRX injectors
Single intake fuel pump
No aftermarket fpr
that power with those parts is no joke.

what are the injectors flowing & what kind of fuel pump is it?
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Old 02-19-2012, 11:25 AM   #92
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I'd have to let the tuner answer the injector question, I'm sure there will be a post up soon about the car. I believe the pump is a Aeromotive 340.

The owner said the next step was 700hp.

But that looks like he'll need to get new/bigger items that you bolded.
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Old 02-19-2012, 02:36 PM   #93
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The Modified stock injectors wont reach 600whp even with the pressure cranked. The only way this happend was with a big correction factor on the dyno. Probably 12 to 20 % range.
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Old 02-19-2012, 11:38 PM   #94
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Probobly on a dyno-pack huh...
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Old 02-20-2012, 03:53 PM   #95
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Quote:
Originally Posted by vicious_fishes View Post
that power with those parts is no joke.

what are the injectors flowing & what kind of fuel pump is it?
for a turbo that is supposed to flow that much air even at 30 psi it should be way above that,570-600whp is what a stock cammed sti running a 35r w/1.06 would make on c16.And Clark has a good point,that fuel system is not enough to even support those numbers.I hate to say it and it might be a little premature but another case of bigger isn't always better.
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Old 02-20-2012, 09:18 PM   #96
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Quote:
Originally Posted by Clark Turner View Post
The Modified stock injectors wont reach 600whp even with the pressure cranked. The only way this happend was with a big correction factor on the dyno. Probably 12 to 20 % range.

Really? Enlighten me, please.
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Old 02-21-2012, 08:47 AM   #97
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where was the op's car tuned at?
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Old 02-21-2012, 11:49 AM   #98
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Quote:
Originally Posted by Clark Turner View Post
The Modified stock injectors wont reach 600whp even with the pressure cranked. The only way this happend was with a big correction factor on the dyno. Probably 12 to 20 % range.
Actually the modded injectors flow just over 1000cc, Aeromotive pump and c16. Fuel Was maxxed out. Obviously we don't use any correction factors (never have never will)
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Old 02-21-2012, 12:12 PM   #99
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good numbers but I have a hard time thinking the Black will outflow many comparable turbos because the hotside wont let it flow past 650whp (i think alot of turbos would show good numbers pushed past 30psi...Clark may be correct in saying the stock FPR wont be able to keep up with modded injectors even on C16 but i doubt they used a high CF to achieve the 600 mark (just went balls out of the tune like juan said)..

What was the timing passed 5k? Do the cams in this setup make a huge difference?

So the GT3794r might be out for anything but drag strip applications. would the A/R allow for good steet use under 30psi? This turbo just seems to large for many street builds, How would it compare to a GTX3582 with 1.06 A/R

Last edited by ArSoN9; 02-21-2012 at 12:19 PM.
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Old 02-21-2012, 12:23 PM   #100
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What kind of dyno was this on?
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