Jetting software

Submitted by RAM. on Wed, 09/04/2014 - 18:40
Does anyone use or recommend any of the jetting software programs available, eg jet tech pro, Computech, NT Performance etc for a 250 twin? If so, are they effective?

Or are the traditional methods still better? Reading plugs, exhaust and piston crowns after sessions?

Any thoughts would be appreciated.


QSC Rd2 Entries

Submitted by Timw on Tue, 18/04/2017 - 09:10
Entries for Round 2 at Queensland Raceway May 20th and 21st are now open, they will close Thursday May 11th.

There will be practice available on Friday the 19th of May, Half/full Day options available $80 Half/$120 Full.

If you are interested in going let me know.

Mychron 5 2T - help!

Submitted by RAM. on Tue, 11/04/2017 - 11:16
Hi all

I used my new Mychron 5 it for the first time on my twin on the weekend and it wasn't displaying the EGTs correctly.

The sensors showed incorrect readings that never really went above 60c. I have used a Mychron 4 2T with the same application on a twin cylinder engine, which correctly showed readings up to 600c.

I swapped EGT sensors and the Y cable around to rule out if they were faulty, but it didn't make a difference. I even upgraded the firmware but nothing changed.

HRC RS125 2004 engine package

Submitted by ABR on Sun, 09/04/2017 - 07:17
2004 HRC RS125 complete engine package.
A lot of time and money spent in development, fresh topend and only 50% use on crank.

Dyno'd at 48hp with good torque on Avgas.

VHM Head
Good ported cylinder and casework
Fresh topend
Vforce Reedblock
Ignitech ignition new
Modified 1st 5th 6th gears
Kehin 40mm carb with shortened 15mm bellmouth
Stockman pipe
HRC silencer
Kawasaki fuel pump

Includes spare Treadwell cylinder that made +2hp peak.
Carbon pressurerized air box

Leathers now Mandatory in NSW?

Submitted by Cameron on Wed, 15/03/2017 - 13:34
Just heard that Eastern Creek has put laws in place that Superkarts of all divisions must wear leathers now to race.
Bit left of field, any reason behind it? havent heard of a Rotax/125GB person having an incident in a codura suit that caused issue.
ps Great how Cams went through the body they created, NSA, to discuss reasons why they backed the ARDC.
Doesnt effect me as i have both leathers and cordura but willing to bet no research was done on why leathers and if they in deed offer better protection for a Rotax or 125GB.