GF Racing carb A/F ratio data reading on track.

[cajun]

Got a new little machine that I'm Playing with to dial my jetting in.

This is a 4th gear roll on street run with GF Racing HRC replica Airbox and Dynojet jet kit with a TRS full system and Ignitech box.

I'm not sure of the HP just yet as the dyno I run on doesn't have RAM air capabilities. I'm still not done tuning it though. Have to make a 6th gear run.









To explain the way the graph works a little is............ The Redline is RPM correlating to the left side of screen and the Green is the AF and that graph is on the right.

This is a 4th gear mid-range check







And a 5th gear roll on to 10k and held to check.

[Cammo]

Looks like it has a fuelling glitch from 7-8k rpm, probably not an issue really for a race bike though. Does it run well through the rev range?

What sort of a/f sensor are you using?

[cajun]

Yeah but if you look at the smooth roll on in the 3rd graph it's not there. But you are correct, I doubt it will see 7-8 on the track. And it actually pics up smooth at 7-8 it's 5-6 that it kinda studders. But when I look at the meter it's running rich at that time like 11.1:1 AF ratio. I think it has to do with the Ram Air not taking effect yet.

The meter is a Daytona WEGO 3 A/F data logger.

[Wozza]

What are you using to read RPM?

[cajun]

The red line represents the RPM. Reading off wire that transmits to the tach and calibrated to that.

[Wozza]

I see. I'm looking to get the Innovate LC-1 but it does not read RPM.

[cajun]

This is the link to the machine used. But you can find them cheaper on ebay.

http://www.daytona-sensors.com/WEGO3.html#paypal