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Old 01-27-2009, 12:41 AM   #1
backslider
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93GF 95GC 02GD 01SF-T

Impreza GC8 help! car wont start after tranny swap..

Alrighty, I'm at my wits end and cannot figure out why my car won't start.
I tore the car down to do headgaskets, tranny swap, and rear end.

The car will only produce ignition spark from two coils. All coils have been tested and work, the car has fuel, the timing has been triple checked. Now when the heads were pulled the machine shop snapped my cam sensor bracket in half. They welded it back together and it seems to be posistioned correctly. I have about a .028 gap between the cam sensor and pick ups on the back of the intake sprocket. I purchased new cam and crank sensor and still nothing. I am planning to check compression tomorrow. Is there something that needs to be done with the tranny swap? Is my cam sensor out of spec???
The car is a 98 2.5rs with a legacy twin turbo(converted back to single turbo, ej20h) it is being ran with EMS 8860 stand alone. The tranny was a 98 rs and now has a full 02 wrx drivetrain swap, including flywheel. Nothing is wired to the tranny as my 98 tranny was all disconnected also.

Please help.
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Last edited by backslider; 01-27-2009 at 05:30 AM.
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Old 01-27-2009, 01:06 AM   #2
reddevil
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Well, if you are running a standalone, then its either the tuning on the standalone, or you busted something.
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Old 01-27-2009, 02:44 AM   #3
backslider
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I reloaded the saved files for my stand alone after it wouldn't start. Nothing changed there. How critical is the placement of the cam sensor pick up? The plugs seem real wet after I pull them but I'm not sure if its too much fuel or the lack of combustion. I tried unplugging the injectors and spraying starting fluid in and it would get a little ignition sometimes.
Just to be sure, when doing the timing belt one would use the notch on the crank the coincides with the #1 piston @ tdc, is that correct? I did a timing belt on this car before and didn't have any problems, so I am pretty lost. The previous owner had some pretty ratty wiring and I'm about to jump into that soon if nothing else popps up.
Also I'm at a point where I'm starting to second guess myself as where the coils are plugged into the harness, starting to think maybe I mislabeled the front from the rears. My friend did hook the fuel lines up wrong and I've been thinking maybe he blew out the fuel pressure regulator.

And to ease my mind, putting in the tranny and flywheel from a 02 will not have any affect on the timing? No speed sensors or anything?
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Old 01-27-2009, 12:33 PM   #4
DSM_Outback
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Your thread title is misleading. As it seems you've done a little bit more than just tranny. Is this on a Phase I DOHC?
Cam sensor gap is fine, I did the same thing to my heads and my gap is much more huge-er than .028".

If I'm not reading your posts wrong, it sounds like you're T-belt is not timed properly.

Do not use the crank pulley keyway to find TDC. Do not use the triangle on the crank gear to find TDC. Locating the crank for timing should be done with the trigger plate behind the crankshaft timing gear, one of the teeth has a groove in it, line this one up with the mark on the oil pump, then line up everything else. A good quick and dirty way to check proper timing is to pull the number one cylinder spark plug, gently put a screwdriver into the cylinder, bring the piston up to TDC and look at the cam gears all the arrows on the cam gears (if you have them) should either all be pointing up or all be pointing down. If one times the cams off of the crank gear triangle you will be 90 degrees out, if you do off the crank pulley keyway, you'd be 180 out.
51 belt teeth from crank mark to driver's side intake cam mark, 28 teeth between intake and exhaust cams on both sides and 54.5 teeth between passenger side intake cam mark and crank mark.

In your double post about the cam sensor, I read you only have 2 coils firing at a time. I believe the 4424 ECU usually batch fires Subaru coils and I thought the 8860 could be configured to fire coils sequentially. If firing batch style with external igniters set up the software as 4 cyl/2rotor, 2 igniter, ign fire edge falling, and at least 2ms dwell. If you need help getting your brain around coil firing order, hit the Goto dropdown menu and click on ignition simulator, it should be firing 1 and 4 at the same time and 2 and 3 thereafter. If you are sequential, it should be set to 4 igniters. Make sure ign coil wiring is set up for 1-3-2-4 firing order.

Last edited by DSM_Outback; 01-27-2009 at 12:53 PM.
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Old 01-27-2009, 01:28 PM   #5
backslider
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Sorry about the title. Since I was pretty sure the timing was correct(actually 100% sure) and that I thought my only other two varibles were the flywheel and tranny, or the sensor pickup bracket, I was thinking something along the flywheel.
I'm pretty new to subbies, been a mitsu guy for years, phase 1 phase 2, open deck closed decked, all that jazz I haven't researched yet. What I do know is that its a ej20h. Its the older version of the twin turbo legacy's.
Looking at your timing post, ut sounds like that is my problem. I used the crank cog triangle to line everything up. I thought I was @ tdc using a screwdriver but I've been sooooo second guessing myself that I might have fubared that also.
Thanks for the help. I am waiting on some version 3 seats to show up today or I would be with the car breaking down the timing belt again. Hopefully she will be up this weekend!

Again, thanks to you all that did take the time to reply.
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Old 01-30-2009, 04:11 PM   #6
backslider
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OK folks I have a pic of the crank gear. The pic of the green dot @ 3oclock is the triangle on the sprocket. (the one i used to time the motor) The green dot @ 12oclock is a line that I did not use. There are no other marks. So I should go with the one on the back side of the gear that in the pic is @ 12oclock?

Last edited by backslider; 01-30-2009 at 04:12 PM. Reason: spelling
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Old 01-30-2009, 11:00 PM   #7
backslider
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well it was the timing belt..... After three long months she's back on the road!!!!!!!!
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Old 01-31-2009, 12:01 AM   #8
DSM_Outback
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The one at 12 o clock.
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