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Wideband + Safc question

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Hestman

10+ Year Contributor
95
0
Sep 26, 2010
Barberton, Ohio
Okay Ive searched for my question and the best thing I found so far is this

http://www.dsmtuners.com/forums/tuning-engine-management/244836-safc-o2-input-wideband.html

My question is simple. Can I wire the blue wire from my AEM uego Widaband 02 sensor into my SAFC to get proper air/fuel? Will the SAFC log the a/f across the powerband so I can view it and help me tune better?

Im asking because He had an SAFCII and Ill only have the SAFCI. 1g DSM 6bolt

Im getting PTE 680cc injectors and the SAFC in the mail probably tomorrow.

Current mods

-VFR FMIC
-EVO316G
-Walbro 255lph
-Aeromotive AFPR
-SBR MBC
-Megan racing 3in turbo back
-FP 272 cams
-FP exhaust manifold
-boost gauge
-Weisco pistons/eagle rods

I would like to run 20+ psi. Sorry if this question has been answered before im sure it has :aha:
 
The blue wire mod lets you see o2 voltage on the sensor check screen. If you dont have a digital air/fuel display, its very helpful for tuning. So technically you don't even need to use the blue wire sense you have a wide band.

SAFC supposedly has trouble handling injectors larger than 700cc because it starts to leave the +/- 50% tuning range. However, E85 requires 30% more fuel delivery, so this means the SAFC could handle larger injectors when running E85. You might wanna go that route tho its just a toss up for ya.

But then again your very limited on what you can do with a safc when making power sense you cant advance timing. Sense E85 runs so cold you can advance timing big time and more some serious power :) I would go with Ecmlink IMO.
 
Last edited by a moderator:
He doesn't I figured I would throw that in extra information in for him. Just to let him know theres more options out there when using a safc.
 
Oh. I thought I was missing something there, haha.

Like FWDbeast said, the BLU wire is optional and since you've got a WB that makes it even more pointless to wire in.

:dsm:
 
LOL ya, I feel if i know a little extra on something i'll throw it out there and or go the extra mile and find the information if i don't know it off hand. I like to try and help out people seeing that this is a tech forum.
 
It is funny you mention E85 Bc I am going to switch to it as soon as I get ECMlink V3.

I have weisco 10:1 pistons now so i really would feel alot safer running it.

The guy I got my motor off of made over 400hp to the wheels on 93 safely so I just wanted to get this to play with now since its more affordable. Im sure Ill get most of my money back when I go to sell it. I just dont wanna drive my car and risk leaning it out with that high of compression.

I cant wait to get my good tune though and switch to E85 and put it on the dyno. With the EVO316g I hope to make around 350whp. One can only hope :pray:

Oh and thank you for the reply. Ill save the wideband wire for when I get link. Maybe Ill have a buddy watch my a/f and drive it around LOL
 
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