i have a simjet 2300 with a simjet 2002 d1 fadec is this a loder version. if it is what is the cost to update the turbine to newer version. thanks

The latest version is D2 but it brings no real benefit to you as it only has different electronic components. I do not recommend an upgrade if it is working properly.

If you wish to have the most recent version of FADEC ECU which includes the DATA terminal and a good number of customer adjustable parameters such as start fuel ramp, de-rating of max rpm, start mode options, glow driver power etc. etc. the cost is approx. $450.00

As I said previously, I would suggest staying with what you have unless it has developed some sort of operational issue.

Best Regards,