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Old 05-30-2011, 02:29 AM   #1
fateo66
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Default How do I run non-avcs cams on a 06 sti swap?

I'm in the process of doing a 06 STI swap into a GC and will be running non-avcs 02-05 wrx style cams in the heads. As I understand it the wrx cam sensor is designed to pick up a magnetic signal from the left intake cam gear. As opposed to any 06+ wrx or sti that uses two hall effect sensors that pick up a signal from the back of a cam.

The wrx style cams still have pick ups on the back side that a hall effect sensor could pick up but they are opposite of what an AVCS cam has.

WRX style


STI style



What needs to be done in order for a reflashed stock 06 STI ecu to be able to pick up the cam position correctly?
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Old 04-25-2012, 04:32 PM   #2
fateo66
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bump?
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Old 04-25-2012, 04:59 PM   #3
wrxsubiemod
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Why don't you want to use the sti cams and be done with it?

To run the wrx cam you'll need the front crank sensor and wrx ecu
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Old 06-01-2012, 11:30 PM   #4
ciper
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People have done the reverse of what you want, converting the AVCS STI cams to run in a WRX. They block off the oil passages and the cam gear works as normal.

I'm curious why you would want to go in reverse.
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Old 06-03-2012, 10:10 PM   #5
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Those top ones are JDM AVCS cam pickups, the WRX does not have rear sensors. The WRX has a front cam sensor the USDM STI does not have. you will have no cam position sensing.

It sort of seems like you dont know what you are talking about since the way you are setting it up it will not be able to run.
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Old 06-12-2012, 03:34 PM   #6
fateo66
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I'm sorry I have not been present in this thread since I started it.

To start off I believe you are mistaken or you have not read the OP closely.

Quote:
Originally Posted by lukeskywrx View Post
Those top ones are JDM AVCS cam pickups, the WRX does not have rear sensors. The WRX has a front cam sensor the USDM STI does not have. you will have no cam position sensing.

It sort of seems like you dont know what you are talking about since the way you are setting it up it will not be able to run.
The top picture is NOT JDM heads it is a WRX cam in USDM single AVCS head.....


Now the reason I asked the question is simple I'm run non AVCS cams in an AVCS head. (there is many reasons why people do not want to run AVCS in big builds)

I have done exactly the above setup in several cars but all of them run a standalne ECU, in the 06 GC/STI I was hoping to run a stock ecu since the advance in speed density and tuning of the 32bit ECUs is quite impressive.
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Old 07-12-2012, 11:46 PM   #7
novacivic
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Why not just use the sti cams and plug the oil port on the cam and get wrx cam seals and gears? I just recently did this same thing on a big build we did at the shop where I work.
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