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Narrow band tuning ?

Old 07-20-08, 01:35 PM
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Narrow band tuning ?

having a lot of trouble tuning safc using stock wide band o2 sensor. From what I read i am supposed to be shooting for 0.45 volts. At 1000rpms I can get it to bounce around 0.45 volts but once I bring it up to 2000rpm the lowest i can get it to go is around 0.75 volts.

I have a 255 walbro

It has larger secondary injectors (1000 cc I think, not sure I didnt put them in)

FCD

strangely the car doesnt have a boost sensor, but it runs fine without it .

I have my lo setting at 35 and my high at 55.

any ideas?
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Old 07-20-08, 03:44 PM
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after some more reading im going to set my low position to 98 and my high to 99 since i am using the tps. Unfortunately id dont think this is going to help since im having issues with the lo map b4 i can even get enough throttle to get to the high map.
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Old 07-20-08, 04:33 PM
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As i suspected it didn't really help at this point.

I know someone here has experience with these things.
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Old 07-20-08, 07:51 PM
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im starting to think there is something wrong with the safc because even when i just set everything to zero it makes the car run like crap. Any ideas im about to scrap this thing for an rtek 2.1
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Old 07-20-08, 10:43 PM
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Get a wideband. Narrow band is a BAD idea for tuning.
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Old 07-21-08, 01:41 PM
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forget it, I just bought an rtek 2.1 today and am getting a wideband on friday.

Things should be much better this way.

Thanks for the wide band comment, I appreciate the feedback.
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Old 07-21-08, 01:49 PM
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smart man...let me know how that rtek 2.1 works for yah....im getting one too in a bit..i i figured its good enough for the power i want. 350 rwhp ^_^
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