tuning S-AFC without dyno?
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tuning S-AFC without dyno?
i'm researching getting a SAFC since someone said it would be a good idea instead of a carb. i dont' have a dyno near by and would need to tune it myself. i'm as dumb as a brick when it comes to tuning electronics so i need to know how much of a challenge it would be.
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Doesn't matter which way your tunning to change the air/fuel ratio your motor ingests, you should always be doing it on a dyno with a wideband gas analyser.
But to answer your question, SAFC's are very intuitive and easy to change settings.
Edit: First sentence there is a bit in-coherant.. I ment, it doesn't matter if your tunning a carb or an EFI system, you need to do it on a dyno... yeah that makes a bit more sense.
But to answer your question, SAFC's are very intuitive and easy to change settings.
Edit: First sentence there is a bit in-coherant.. I ment, it doesn't matter if your tunning a carb or an EFI system, you need to do it on a dyno... yeah that makes a bit more sense.
Last edited by White_FC; 02-12-04 at 05:40 PM.
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i really don't have access to a dyno or wideband for as long as i'm sure i would need it. is there anyway i can make sure it is close to accurate? i have an A/F gauge now, but i know they aren't that accurate
#6
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Originally posted by *a*jones*
i really don't have access to a dyno or wideband for as long as i'm sure i would need it.
i really don't have access to a dyno or wideband for as long as i'm sure i would need it.
#7
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We say to do it on a dyno because most Dyno places will have a Wide band Air/Fuel sensor on loan or use to help get the ratio's set and it's a controlled enviroment.
That and getting your numbers there is fun too.
Once I get my car running I want to take it in and get this done to keep my mind at ease.
That and getting your numbers there is fun too.
Once I get my car running I want to take it in and get this done to keep my mind at ease.
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#9
I break Diff mounts
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Well yes and no.
If you get a wideband($300+++) then you can get the A/F's set pretty well in real time.
A dyno can get you on a controlled run so you know RPM and A/F correlation.
It is a lot of money for a wideband though.
Unless your going to have a 400+ HP beast with aftermarket EMS I recommend taking it to a place with one instead f buying one.
If you get a wideband($300+++) then you can get the A/F's set pretty well in real time.
A dyno can get you on a controlled run so you know RPM and A/F correlation.
It is a lot of money for a wideband though.
Unless your going to have a 400+ HP beast with aftermarket EMS I recommend taking it to a place with one instead f buying one.
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I ran an S-AFC on my 88 TII for years with great success and never had it dynoed at a shop. I just used the old but dyno. That's where you play with the settings while driving around. I could actually tell a difference. Maybe my butt is extra sensitive or something... ANyway, you don't HAVE to get it dynoed to run the car. You SHOULD get it dynoed if you want to fully optimize your settings and make sure you don't accidentally frag something. BTW, I had an EGT gauge installed on my car so I could monitor for excessively lean conditions and optimal burn and stuff. It might not have been "spot on" accurate, but it definitely worked.
Good luck!
Mark
Good luck!
Mark
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