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| Forum name | Turbo/Nitrous Tech |
| Topic subject | do you need to use an SAFC if you have an SFMU????? |
| Topic URL | https://forums.2gnt.com/dcboard.php?az=show_topic&forum=i8&topic_id=47108 |
47108, do you need to use an SAFC if you have an SFMU?????
Posted by tim97rs, Apr-20-03 02:58 PM
:wary
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47109, RE: do you need to use an SAFC if you have an SFMU?????
Posted by 96eclipse2nr, Apr-20-03 03:09 PM
from what i have heard, the safc can be used for fine tuning your a/f ratio, but i dont think its needed
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47110, RE: do you need to use an SAFC if you have an SFMU?????
Posted by ner947, Apr-20-03 03:10 PM
no. most people try not to use it at all because of timing advance issues. however, the S-AFC gives you the oppurtunity to do some nice fine tuning, for example if you match up your boosted and static fuel pressures but that throws off your idle pressure, you can correct using the AFC.
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47117, RE: do you need to use an SAFC if you have an SFMU?????
Posted by dougie2, Apr-20-03 03:59 PM
You pretty much need some sort of fuel tuning device with injectors larger than 390cc. Other then that you should be albe to tune fairly well with the S-FMU.
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47119, RE: do you need to use an SAFC if you have an SFMU?????
Posted by turbosrule, Apr-20-03 04:05 PM
dude i'am running 440cc right now. s-afc unplugged and it runs better on em then the stock ones.
go figure.
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47124, RE: do you need to use an SAFC if you have an SFMU?????
Posted by dougie2, Apr-20-03 04:42 PM
Yeah, I'm running DSM 450cc injectors now with only an S-FMU.
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47125, RE: do you need to use an SAFC if you have an SFMU?????
Posted by Dave_FL, Apr-20-03 04:53 PM
I am going to try and do that here shortly
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