Re: Tell me more about the O2 - Saab Performance Bulletin Board - Saabnet.com
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Re: Tell me more about the O2
Posted by Bill U (more from Bill U) on Mon, 8 Oct 2001 00:19:37
In Reply to: Tell me more about the O2, RayV, Sun, 7 Oct 2001 20:49:24
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Get the engine up to temp
Hook digital voltmeter to 02 output with it connected.
Have AMM hooked up normally, don't try to measure resistance while
you're setting it, just check afterward
Do the adjustments with engine at idle
Make sure you're meter is hooked to a good ground
Adjust the AMM to center the voltage on .5 volts.
I started with swings from .34-.87
Ended up with .21-.78
380 ohms is where you start with everything stock,
but i would guess you could start somewhat lower.
Lower resistance leans the mixture.
I ended up at 215 ohms, but that's with oversize injectors and rrfpr
My only other mod is tweaking stock apc to get steady mid-red boost levels.
It's a good idea to know where you started, you can always go back.
The basics of this are in the Bentley manual
Let me know where you end up, and if it helps.
posted by 12.106...
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