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01-29-2009, 11:27 PM | #1 |
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Compound charged , fully built .
*LATEST PICS ON LAST PAGE*
got a supercharged/turbocharged o6 sti under the knife . the original set up used a gt35 w a .86 ar the new setup will have a 4088 , not too sure of the exact trim and stuff . weisco pistons eagle rods k1 custom machined, knife edged , and coated crank custom bearings darton sleeving o-ringed cosworth 280's custom port&polish twin-scroll 40r AMG c32 supercharger twin plate exedy aeromotive a1000 aeromotive rails denso 1000cc's aeromotive fuel pump controller. custom lines aeromotive FPR, 10mic and 100mic filters tial 44mm wastegate 1'' 5/8 321 stainless header/up-pipe. 3 1/2 '' 321 stainless v-band downpipe. full custom 3 1/2 '' twin tip exhaust , stainless . thats it fer now . ill get some pics up tomorrow.
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Last edited by FATCanuck; 09-10-2009 at 09:59 AM. |
01-30-2009, 03:43 AM | #2 |
Scooby Specialist
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NWIC
Location: Snoqualmie
Vehicle:2006 STI / 2010 FXT Aspen White / Silver |
Unless you have 2 sets of those PE850s your going to run out of injector in a hurry. Super charger and 4088? post pic's or.
Fail Boat! |
01-30-2009, 05:25 AM | #3 |
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01-30-2009, 07:23 AM | #4 |
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Vehicle:2005 WRX STI World Rally Blue |
WOW you guys are working on this car!!! when I first got my WRX in 2004 I remember seeing this thing on on your guys website, brings back memories haha.
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01-30-2009, 09:37 AM | #5 |
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Also, why the eagle rods....are you doing things on a budget??
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01-30-2009, 10:19 AM | #6 | |
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Quote:
I'd bet all the money went into the rest of the setup, like the billet crank and those things...oh what are they called?...oh yeah a supercharger and a turbo Oh and its tomorrow, now where are the pics?!! |
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01-30-2009, 11:28 AM | #7 |
Scooby Guru
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Vehicle:2006 Legacy GT Obsidian black |
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01-30-2009, 11:50 AM | #8 |
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01-30-2009, 01:47 PM | #9 |
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01-30-2009, 02:13 PM | #10 | ||
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Vehicle:CEO PhatBottiTuning 2006 STi GTX3582 + Meth |
Quote:
Quote:
Well in case you're wondering with the fuel pressure at 50psi the injectors would flow right around 1000cc. For what its worth i was running STi pinks with a 60 lb/min turbo. Just cause most people choose to run huge injectors and no FPR doesnt mean its not possible to run smaller injectors and a higher fuel pressure. |
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01-30-2009, 02:18 PM | #11 |
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Location: portland
Vehicle:1990 Legacy wagon goes 12.387 @ 116.5 |
Well, injector size really depends upon the power he is shooting for doesn't it? Maybe he is just shooting for an autocross monster! I miss the instant boost that damn supercharger gives out! And not just the boost, the massive torque!
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01-30-2009, 02:41 PM | #12 |
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Vehicle:2006 Legacy GT Obsidian black |
A typical 40R puts out about, what, 60lb/min of air at the top of its max efficiency range? A typical conversion of HP -> lb/min is 9-10:1. So that is ~570hp.
Using RC Engineering's handy-dandy injector sizing utility, and using it recommended settings, they would need to run the injectors at 100% duty cycle and 52psi. Now let's add the supercharger into the equation... Yes, they probably need more injector, or not use such a large turbo. |
01-30-2009, 02:49 PM | #13 |
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Vehicle:1990 Legacy wagon goes 12.387 @ 116.5 |
While yes, the supercharger CAN make more boost when compounding, the use of the supercharger is more inportant in making big boost (and big torque) SOONER.
If all you are after is big boost, then there is no reason for the supercharger, just go big turbo. But if you want a monster all the time, then compound/twincharge! |
01-30-2009, 02:57 PM | #14 |
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^^ maybe meth and/or racegas also.
Doesnt the diameter of the line also come into play? If you're flowing 50 psi worth of fuel through 1/4" pipe or 50psi worth of fuel through a 1/2" pipe arent you flowing way more in the 1/2" pipe? Anyway, for a build like this I wouldnt expect the IDC to be a problem. At least not a "build stopping" problem. The first time the IDC gets high you either try raising the FP or simply stop and install bigger injectors. really not that big of a deal. although, i will agree at first glance its shocking to see 850's with a gt40, let alone a compound gt40. |
01-30-2009, 03:37 PM | #15 | |
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Quote:
Not sure what you are saying here, but that doesn't come into play with 850cc injectors. Not sure why they chose custom lines. Maybe to avoid any fuel differences from cylinder to cylinder? Or maybe intercooler/intake pipe routing. |
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01-30-2009, 03:44 PM | #16 |
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i was saying if they increased the diameter of the fuel lines doesnt that raise the effective cc's also, especially with an increased FP?
I was asking a question. Im not that familiar with FPR's, fuel lines, etc. But it would seem to me that if you increased the size of the fuel lines, you would flow more fuel, right? |
01-30-2009, 03:46 PM | #17 | |
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Quote:
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01-30-2009, 03:49 PM | #18 |
Scooby Guru
Member#: 4001
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Location: I love spherical bearings!
Vehicle:2006 Legacy GT Obsidian black |
On a side note, I always wonder why people upgrade their fuel rails and not the lines. The diameter of the fuel lines are much more restrictive than the rails.
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01-30-2009, 03:59 PM | #19 |
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needz moar pix
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01-30-2009, 04:01 PM | #20 |
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its now tomorrow, where are pics?
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01-30-2009, 04:45 PM | #21 |
Scooby Guru
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Location: portland
Vehicle:1990 Legacy wagon goes 12.387 @ 116.5 |
This is the reason I like to twin charge. Look at the boost level skyrocket! This is from a rolling start on the dyno @ 3000 rpm. Full boost 26 psi @ 4000 rpm. The first run I popped the wastegate line off and hit 32 psi @ 4000 rpm.... Wheels slipped so no dyno plot for that one.
And when you are driving around @ higher rpms, the moment you step on the pedal, its is about 1 second to full boost! No lag baby. |
02-01-2009, 02:57 PM | #22 |
Scooby Guru
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Cmon FAT, I wanna see some pics!
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02-01-2009, 05:29 PM | #23 |
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wow this thread sucks without pictures. people should really wait until they get some decent pictures up.
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02-02-2009, 09:49 PM | #24 |
Scooby Newbie
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ummmm |
02-02-2009, 09:53 PM | #25 |
Scooby Newbie
Member#: 142534
Join Date: Mar 2007
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[/IMG]
yea , sorry about the delay . im not an interweb jocky , i work . not on a computer either . with that said here we go . |
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