May be getting bigger injectors soon...has anyone here switched over to something bigger than 450's...what's the easiest way to do this...Use an existing 450's tune and lean out the whole fuel table a small percentage?...or is there a magical button in Binhacker that does this conversion automatically?

 

Put in a tune for the 450cc and then lean it 10% across the whole fuel map, then run it on the dyno and tune from there. The exact amount in a perfect world would be 18.2% less, but you are better to be richer than lean.
Happy tunning !

 

10% lean for 550's or 720's???

 

550 cc, I don't think you can run 720s , unless you lower the base fuel presure a bunch. Stick with the 550s, you should be good to 300 plus to the wheels.

 

how far off do you think the spark maps will be after the recalibration...

 

Don't touch the spark map, Why would you change it ?, Go to the fuel map, highlite the whole thing then add 10%, go to the dyno and get it dead nuts from there!

 

I remember talking to Bill at Zdyne about a year and a half ago...he told me he was working on a basic 720's tune for someone...unless you heard otherwise, I think you can run 720's...unless that info has been changed...

 

I run 550cc and i just changed the 440cc setting to 550 and typed in the base and gamma that was giving with the instructions. I tuned the car on the street with only a a/f gauge to aid me and ran 12 flat with the stock motor with this set up.

 

holy cow!! are you saying you've run 18psi on the stock D16...Wow!

BTW, I Instant Messaged you...

 

no i ran that with a B18a. Here are the base and gamma for 550cc and 750cc.
The Injector Recalibrator
550cc Base: 0.63 Gamma:0.016
750cc Base: 0.50 Gamma:0.016

 

dragsol, couple of quick q's after playing around w/ binhacker...

1. when you do the recalibration to 550's, it has to be from the stock tune...in otherwords, you can't just do a recalibration directly from an existing 450's tune...otherwise, the base and gamma inputs make the fuel values really low...correct?

2. I have a 12psi tune that works prettty good for my 450's...If I wanted to use this same tune w/ my 550's, it would probably be better to just lean the whole fuel table a certain percentage, correct? The base and gamma inputs are only if you are starting from scratch (stock tune)?

3. The base and gamma inputs only recalibrate for the N/A portion of the tables, right?