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Old 10-10-2012, 02:58 AM   #351
Frmrbob
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Join Date: Aug 2011
Chapter/Region: AKIC
Location: Eagle River, AK
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Nice anybody have auto start on there cars curious on how well they work for Subaru I had a person back in New Mexico at a car and audio shop tell me it's not possible for the WRX and that they would have to rig it up and take one of my keys for it to work. No to me that don't sound right and he was pretty shady . Looking to see what people have and what's the best with security.
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Old 10-10-2012, 03:42 AM   #352
Rookie J
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Did an oil change and put on the studs yesterday at retraC Engineering.
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Old 10-10-2012, 05:10 AM   #353
cosseywrx
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Quote:
Originally Posted by Frmrbob
Nice anybody have auto start on there cars curious on how well they work for Subaru I had a person back in New Mexico at a car and audio shop tell me it's not possible for the WRX and that they would have to rig it up and take one of my keys for it to work. No to me that don't sound right and he was pretty shady . Looking to see what people have and what's the best with security.
I use compustar. Has a built in turbo timer which is a plus. Seeing as i use it at times with my oil cooled only turbo.
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Old 10-10-2012, 12:23 PM   #354
chanomatik
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Quote:
Originally Posted by furtive View Post
What kind of auto start?
A very basic model from Northstart from a Groupon early this year. I think it's Aerostar AS-1272? http://www.northstart.net/ I didn't care to have something more expensive that was integrated into the pre-existing Start/Stop remote features. Plus my BRZ will always be within a few hundred feet of me, either at home or at work.

It'll be my first autostart for one of my cars. So happy!
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Old 10-10-2012, 07:10 PM   #355
cosseywrx
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Manley 2618 stroker pistons
Manley sc h beam rods
79mm nitraded sti crank
Sti oil pump
Arp head studs.

2.1l stroker kit is on its way!!

2 items came in today


Last edited by cosseywrx; 10-10-2012 at 08:45 PM.
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Old 10-10-2012, 09:33 PM   #356
Nomadgene
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Quote:
Originally Posted by cosseywrx View Post
Manley 2618 stroker pistons….
Start a build thread. Interested in these stroker builds.
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Old 10-10-2012, 09:43 PM   #357
cosseywrx
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It will go in my car thread. Retrac will be building my motor
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Old 10-10-2012, 10:15 PM   #358
AKSubieDubie
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Built a voltage divider circuit for my MAF. A lot of the cobra/lightning guys use the same thing, except in the form of the diablosport Mafia.

Mine was 3 bucks and 30 minutes (including tune adjustment) instead of like $150 .

5 volts is now ~4.7V... now I can bump past 20psi!
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Old 10-10-2012, 11:34 PM   #359
Alaskan EJ20
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Quote:
Originally Posted by AKSubieDubie View Post
Built a voltage divider circuit for my MAF. A lot of the cobra/lightning guys use the same thing, except in the form of the diablosport Mafia.

Mine was 3 bucks and 30 minutes (including tune adjustment) instead of like $150 .

5 volts is now ~4.7V... now I can bump past 20psi!
exactly how is this working, is it dividing the voltage after a certain point so you dont loose drivability and idle....??? curious to know thanks, this seems like a good idea for those maxing out their maf.
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Old 10-10-2012, 11:56 PM   #360
White_Rice
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Wheels came in, now I need winter tires..............and my 2.0/2.5 installed.
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Old 10-11-2012, 04:13 AM   #361
AKSubieDubie
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Quote:
Originally Posted by Alaskan EJ20

exactly how is this working, is it dividing the voltage after a certain point so you dont loose drivability and idle....??? curious to know thanks, this seems like a good idea for those maxing out their maf.
Works via ohms law - Basic physics.

You get 2 resistors (or one and a potentiometer if you want adjustability).

In my case I got a 220 ohm resistor and a 10k ohm resistor (1/2w). You can use ohms law to find the ratio you need to multiply all the voltages in your MAF table by. In my case I ended up multiplying by ~.88 or ~.89 I forget.

So:

Tap into the MAF ground wire with the 10k ohm wire. Leave the other end for now.

Take the 220ohm and put it inline with the wire that the ECU sees (cut the wire and hook each end to each side of the resistor).

Take the other end of the 10k ohm and put it on the ECU side of the 220 ohm resistor.

I can upload a diagram later.
Then you just adjust the MaF voltage in the tune and call it good.

It works because the MAF wire can read over 5V but Ecu is capped at 5, and the resolution is hardly affected if at all since the resistors reduce voltage EVERYWHERE, and you can utilize voltages lower than like 1.2.
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Old 10-11-2012, 03:40 PM   #362
Alaskan EJ20
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Quote:
Originally Posted by AKSubieDubie View Post
Works via ohms law - Basic physics.

You get 2 resistors (or one and a potentiometer if you want adjustability).

In my case I got a 220 ohm resistor and a 10k ohm resistor (1/2w). You can use ohms law to find the ratio you need to multiply all the voltages in your MAF table by. In my case I ended up multiplying by ~.88 or ~.89 I forget.

So:

Tap into the MAF ground wire with the 10k ohm wire. Leave the other end for now.

Take the 220ohm and put it inline with the wire that the ECU sees (cut the wire and hook each end to each side of the resistor).

Take the other end of the 10k ohm and put it on the ECU side of the 220 ohm resistor.

I can upload a diagram later.
Then you just adjust the MaF voltage in the tune and call it good.

It works because the MAF wire can read over 5V but Ecu is capped at 5, and the resolution is hardly affected if at all since the resistors reduce voltage EVERYWHERE, and you can utilize voltages lower than like 1.2.
Good show old boy!!!! I assume you can use stronger resistors so insteaded 5v maf would be 4v ecu or 3.5v ecu so one can run crazy boost safely also.
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Old 10-11-2012, 05:28 PM   #363
AKSubieDubie
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Sort of, You may not need to get too hog-wild crazy.

I had a 5.6k ohm in place of the new 10k ohm before, and after scaling the MAF to where my AFRs were good the 5V end of the scale turned out to be like 550g/sec which is unnecessary in most cases.

The 10k ohm worked great for me, but you would go smaller on that resistor OR bigger on the smaller "inline" resistor. My MAF is in blow through mode in a 3'' OD pipe right before the throttle body if you want to get a comparison idea
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Old 10-11-2012, 06:23 PM   #364
_davin
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All thanks to Chano for selflessly donating his old bumper and time to help me spray it.

I also finally installed my LED Fogs I've been sitting on for some time, turned out more blue than I wanted, was hoping for white to match my HIDs but oh well. It's tempting to get yellow over-lays now but I don't want them to end up green.

And a mock up before hand just for giggles:

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Old 10-11-2012, 06:28 PM   #365
kyletakahero
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Now you just need to do the hatch ;D
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Old 10-11-2012, 06:34 PM   #366
cosseywrx
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tomei timing guide


killer b oil baffle
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Old 10-11-2012, 06:44 PM   #367
_davin
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Originally Posted by kyletakahero View Post
Now you just need to do the hatch ;D
I think I'm going to, didn't have time last night. Perhaps I'll show up to Rusty's going away party.
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Old 10-11-2012, 08:39 PM   #368
_davin
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Old 10-11-2012, 09:25 PM   #369
Cscj15
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Before


After-Taillights, mud flaps and wing back on, might take it off again depending on how it looks with my winter wheels
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Old 10-11-2012, 11:23 PM   #370
kayetealynn
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Ordered ID1000's for the WRX..

They'll be here Monday.. :-D
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Old 10-12-2012, 01:10 AM   #371
coldfiremx
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Quote:
Originally Posted by kayetealynn
Ordered ID1000's for the WRX..

They'll be here Monday.. :-D
Damn is that really necessary?
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Old 10-12-2012, 01:28 AM   #372
tribalwrx
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Quote:
Originally Posted by coldfiremx

Damn is that really necessary?
Haha hope your ready for her answer for that question...


Oh it's time for a shot of rum lol
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Old 10-12-2012, 01:46 AM   #373
coldfiremx
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Quote:
Originally Posted by tribalwrx

Haha hope your ready for her answer for that question...

Oh it's time for a shot of rum lol
Patches O'Houlihan: Necessary? Is it necessary for me to drink my own urine?

Peter La Fleur: Probably not.

Patches O'Houlihan: No, but I do it anyway because it's sterile and I like the taste.

Peter La Fleur: ...Okay.

[while everyone is doing the shuttle run]
Patches O'Houlihan: Come on! I get better runs in my shorts!] (left that in strictly for humor)
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Old 10-12-2012, 01:46 AM   #374
cosseywrx
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im at 650cc and i thinkn of upping to 850cc or so after my build
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Old 10-12-2012, 02:40 AM   #375
granny
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Quote:
Originally Posted by Cscj15 View Post
Before

After-Taillights, mud flaps and wing back on, might take it off again depending on how it looks with my winter wheels
Looks way better! I would keep the wing.
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