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Old 05-26-2006, 08:46 PM   #1
STimo
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11.3@123, 10's a commin'

Default Garage Tuning '05 Rotated 30R STI

I am dropping my car off Monday the 29th at Harman Motive to have the Perrin GT30R .82a/r installed and tuned. I was going to go with a SZ55 in the beginning because i didn't want to switch all that needed to be switched when going to a rotated mount, but after doing more research i realized that a rotated mount turbo kit would better suit my needs.
Since i live in California i am pleagued with 91oct. gasoline. To deal with this i decided to buy a 54 gal. drum of VP motorsport 109 (R+M/2=105) and mix with 91 octane to make 93 octane. My goal is for 400+whp on pump (93oct). Since i have ecutek i can only do one map for now, which is a good thing since much over 400whp on the stock bottom end is starting to get a little scary.
My mods are:
Perrin GT30R .82a/r turbo (all oil and water lines)
Perrin DP
Perrin big maf intake
Perrin UP
Tial 44mm external wastegate
255lph fuel pump
Perrin Fuel rails
PE850 injectors
NGK LFR7AIX one step colder plugs
Stromung exhaust
Ecutek
Perrin FMIC
Halman MBC
Koyo Radiator
If you guys have any Q's or comments feel free to ask. Otherwise i will let you know how everything turns out!

EDIT: Spun a rod bearing so ended up building a shortblock at Outfront Motorsports. It includes;

Closed-Deck 2.5L STI Shortblock
Forged JE Pistons
Forged H-Beam Rods
ACL Race Bearings
1/2' ARP Headstuds
11mm Subaru Oil Pump
Kevlar Timing Belt
08+ Nitrided STI Crank
Supertech Dual Valvesprings w/ Ti-retainers
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Last edited by STimo; 01-29-2010 at 06:51 AM.
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Old 05-26-2006, 08:51 PM   #2
02WRX2.5
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Get the boost controller. Good luck
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Old 05-26-2006, 09:02 PM   #3
Paul
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how will you be mixing the gas? If this is your DD i bet that will get old quick. Any reason why you didnt go with a alky kit?
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Old 05-26-2006, 09:07 PM   #4
2LTL2L8
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You won't need a boost controller as long as your tuner knows what he is doing....he may have to change out the pill in your boost line though....I'm running Ecutek and XEDE and I have a GT30R.82 running well over 20lbs of boost with the stock boost solenoid.
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Old 05-26-2006, 10:09 PM   #5
STimo
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^^Yeah Dan told me the car will usually hold ~21psi on the stock solenoid. He wanted to try and use the stock one first, and if he ran into any problems he would know in the first 20min and then i could go ahead with probably an electronic boost controller.

Paul: Reason i want to mix gas is because it is the safest thing to do. And yes it is my DD. I just bought a 54 gallon drum of VP ms109 and mix 2gal of race gas for every 10gal of fuel to make ~93oct. I thought this would be basically as simple as an alky kit and safer but it seems that the place where i live has a problem with a drum of gas in the garage so now i'm kinda wishing i went with the alky kit.
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Old 05-26-2006, 10:18 PM   #6
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Quote:
Originally Posted by 2LTL2L8
You won't need a boost controller as long as your tuner knows what he is doing....
If he wants to run more than 22.5 psi, or have MUCH quicker spool in lower gears with the EWG, he will end up with one - everyone does. The ECU boost maps do an OK job up to little over 20, but you simply can't fine tune the duty-cycle like you can with an EBC. I've run the GT30R both ways - the difference is like night and day.

STimo - you're going to be blown away by that combo. As you know I tout the .63 ar, but you made a great choice for what you want the car to do.
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Old 05-26-2006, 10:21 PM   #7
STimo
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^^Thanks for the advice Fly, i'll ask Dan if maybe i should just buy one and have it installed before the tune if it helps spool that much. What do you think the difference was approx?
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Old 05-26-2006, 10:32 PM   #8
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Difference - as in power? Well, in my case the most boost I could get in 1st was about 17 psi and in 2nd about 19 psi using the ECU. With an AVCR, I get target boost (22.7 psi) in every gear, right on the money. The difference between 17 and 22.7 on the dyno is about 60 whp, give or take. It's significant.

PM Rainmaker - he's got his head wrapped around this whole issue pretty well. He's a very competitive AutoX'er and he swears by his EBC.
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Old 05-26-2006, 10:44 PM   #9
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Um... yeah i hate you. Kiddin...

<-- GT30R in December 06!!
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Old 05-26-2006, 11:37 PM   #10
STimo
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^^What boost control would you guys recommend? I have heard that the avcr isn't that good, but i dunno for sure, i just heard that it doesn't function properly all of the time. I like the blitz sbc-id III, and kinda like the HKS EVc 5 but don't know much about either.
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Old 05-27-2006, 12:26 AM   #11
flycaster
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The EBC de jour seems to be the new DTEC.
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Old 05-27-2006, 01:06 AM   #12
STimo
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^^Awesome, thanks for the info fly. I have the EBC's narrowed down to the Blitz sbc-id III, Turbo xs DTEC, or the HKS EVC 5 if i end up gtting one. I dunno the difference between the three so if one of you guys out there can enlighten me on the different features and which one works best go right ahead.
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Old 05-27-2006, 01:16 AM   #13
flycaster
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If it were me, I'd go with the tuner's preference - he's the one who'll end up progamming the thing. Not only that, but if it gunnybags on you later, he'll be much more likely to help you out if you buy it through him.

Just my $0.02.
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Old 05-27-2006, 01:29 AM   #14
STimo
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Quote:
Originally Posted by flycaster
If it were me, I'd go with the tuner's preference - he's the one who'll end up progamming the thing. Not only that, but if it gunnybags on you later, he'll be much more likely to help you out if you buy it through him.

Just my $0.02.
I was thinking basically the same thing. Dan has influenced a couple of my purchases since he will be the one tuning it, and i figured that he is probably recommending these parts for a reason . For example i wanted to go with a smaller size injector than the PE850's but Dan highly recommended them so i went with those instead.
Damn fly, you're just full of good info. I should have consulted with you before i started on this project .
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Old 05-27-2006, 03:45 AM   #15
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Very interested to see how your set up turns out. I am looking at getting the same turbo upgrade and basically a very similar setup to yours except with a Cobb AP and forged pistons. I'll watch for your updates
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Old 05-27-2006, 04:21 PM   #16
STimo
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Quote:
Originally Posted by Black-STi
Very interested to see how your set up turns out. I am looking at getting the same turbo upgrade and basically a very similar setup to yours except with a Cobb AP and forged pistons. I'll watch for your updates
Honestly i've done ALOT of research and if your goals are similar to mine (~400whp) i think this is the all around best kit for that goal. It leaves you some headroom later if you want more hp to just add a race gas or meth/alky injection map. It also looks alot better than a bolt-on turbo. The only thing i don't care for too much is the intake in the perrin kit, i'm trying to decide on staying with it or going with a custom aluminum 3' intake (kinda like the ultimate racing kit i guess). Good luck on your kit though, i think you made a good choice.
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Old 05-27-2006, 04:28 PM   #17
STimo
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I also found a friend that lives close that was willing to store my 54gal. drum of VP ms109 for a 5gal. storage fee. So i have decided for sure to just do the 93oct tune for now until i save a bit more money. I'm just trying to make up my mind on wether to go with the Perrin intake or the 3inch aluminum intake. I'll talk to Dan and if he tells me the aluminum will run the same as the Perrin or better i'll probably go with the aluminum as long as it doesn't cost more.
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Old 05-27-2006, 04:37 PM   #18
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Subscribed
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Old 05-27-2006, 04:48 PM   #19
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Quote:
Originally Posted by STimo
Damn fly, you're just full of good info.
Unh, unh, there's no "S" on my t-shirt. Trust me, I've written my fair share of "tuition" checks buddy.
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Old 05-27-2006, 04:51 PM   #20
2LTL2L8
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Quote:
Originally Posted by STimo
Honestly i've done ALOT of research and if your goals are similar to mine (~400whp) i think this is the all around best kit for that goal. It leaves you some headroom later if you want more hp to just add a race gas or meth/alky injection map. It also looks alot better than a bolt-on turbo. The only thing i don't care for too much is the intake in the perrin kit, i'm trying to decide on staying with it or going with a custom aluminum 3' intake (kinda like the ultimate racing kit i guess). Good luck on your kit though, i think you made a good choice.

Well I'm not sure what kinda Dyno that Harman uses, but if its a Dyno Dynamics Dyno that loads the rollers you will HAVE NO CHOICE but to ditch the Perrin Intake. Because of how much load the roller place on the engine, the temps get too high under the hood and the "metal MAF housing" that the perrin kit uses will read intake tems in excess of 50 degrees Celcius and start pulling timing. Me, as well as many other people have had to modify the perrin intake to place it into the fenderwell to get the MAF housing away from the high under hood temps. The MAF should only read the temp of the air coming in, but since Perrin Uses a Metal housing, it gets heat soaked and starts pulling timing, so you can't get a good tune in without having to wait 20 minutes while you ice dow the intake.

Even if you do get it tuned you have to deal then with your car pulling timing every time you pull up to a red light, or a staging lane at a dragstrip. Only after you have been driving for a minute or two will the MAF housing cool off enough to bring the temps down.

-jason
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Old 05-27-2006, 05:00 PM   #21
STimo
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^^Well thanks for the info but that's not what i wanted to hear . I actually have never even heard or read about this problem. I'll see what Dan has to say about this since he has tuned a couple of these. But if this is the case i might have to go with the custom intake for sure then.
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Old 05-27-2006, 05:23 PM   #22
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Wow, with Flycaster around, I really don't have much usefull to add...

Quote:
Originally Posted by fly
If it were me, I'd go with the tuner's preference - he's the one who'll end up progamming the thing. Not only that, but if it gunnybags on you later, he'll be much more likely to help you out if you buy it through him.
Wiser words could not be said.

Quote:
Originally Posted by fly
The EBC de jour seems to be the new DTEC.
True...true... and PDXTuning has them on sale for $425. Thats a pretty good deal for something that includes a knock light.

Both Greddy and Blitz make pretty highly thought of EBCs too. I havent used either one of those.

Something else important to consider, however...

Installation of a good EBC will cost almost as much as the EBC itself. These things are not trivial to install, and having it done right is rather high on my list.

In regards to the AVC-R, I love the actual functionality... but Ive recently had some problems with mine. Investigation has left me feeling that perhaps they arent as reliable as I'd like. However, most breakages look to be the solenoid. The Perrin EBCS is an available plug-in replacement for ~$70. Just my luck, my issue currently feel like either the brain or the wiring to the solenoid. Sadly, Im on a MBC until I can work it out. I miss my first gear boost, but I sure do like having 24 psi back. (How does my poor car put up with this? )

I also (personally) would go for the .63 AR GT30... but my requirements and desires have nothing to do with your car.

Don't be too anxious to spend money on enhancements yet, either. Wait until the new stuff is installed and then see what works, what doesnt work, and where you want to see improvements before buying anything. You may find that something breaks or something doesnt meet your expectations. If you can run the stock EBC until then (I did for awhile), then it sounds like a good idea. Also, the stock system will keep your hands off the boost until you know that what you got wont break anything. I know myself that I would be turning up the boost on the way home from the tune
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Old 05-27-2006, 06:19 PM   #23
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Monday the 29th? These guys work hoildays?
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Old 05-27-2006, 06:20 PM   #24
Phil Jr.
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Quote:
Originally Posted by STimo
^^Awesome, thanks for the info fly. I have the EBC's narrowed down to the Blitz sbc-id III, Turbo xs DTEC, or the HKS EVC 5 if i end up gtting one. I dunno the difference between the three so if one of you guys out there can enlighten me on the different features and which one works best go right ahead.
I think your two options for boost controllers should be the DTEC and AVCR because those are the only two I am aware of that have gear specific boost control. The AVCR is pretty complex and the settings arent very intuitive. I read a few long threads about setting them up and I think once you know all the different settings it will make sense and be easy to adjust. I havent heard of any reliability problems.

I dont know much about the DTEC but ppl seem to like them more than the AVCR. You have the nice option of using it for guage readings as well (EGT, boost, etc etc) which is really handy if you dont have seperate guages...like killing two birds with one stone (just dont expect to read more than one guage at a time ).

If you dont want to spend the $350+ on either one of these I think you would be best suited with a cheap EBCS like the perrin one because it will do all you need short of gear specific control. good luck
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Old 05-27-2006, 07:06 PM   #25
STimo
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Thanks for all the good info Rainmaker and everybody i really appreciate it.

I want to go with an electronic boost controller but my funds may not allow it at this time. If the stock solenoid doesn't work and i don't have all the funds for the boost cotroller and install i may be forced to go with a hallman MBC until i get some more cash.
Has anybody else heard of the problem that 2LTL2L8 was referring to about the maf sensor being made from metal and heat soaking horribly causing timing to be pulled? This has got me worried a bit.
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