Finally sucked it up and tried the Extreme RKL.....

Dodgezilla · Post by **Dodgezilla** » Sat Jun 23, 2007 10:23 am

WOW!! Just when I thought the bottom end was perfect with the Predator on Perf and the Puck on 60hp I tried the Regular RKL tune without the puck. I assume the regular tunes (non-stacker tunes) add some pressure so that's why I turned the Puck off. The truck runs soooo much better this way. It does smoke a bit more. Does that mean it's broke?

Anyways, I did make an interesting observation this morning. While running the Extreme RKL non-stack tune my fuel pressure does not pull down nearly as much when I get on it hard as it did while running the Stack tunes w/ the Puck.

Now the big question is, How will the truck react if I were to turn the Puck back on?????

MegaBOMB · Post by **MegaBOMB** » Sat Jun 23, 2007 12:59 pm

I compared the rail pressure of the Extreme RKL vs Extreme RKL Stacker tunes on my U7131 and got the same readings from both, which are:

1,000RPM - 10,200PSI
1,500RPM - 12,600PSI
2,000RPM - 16,200PSI
2,500RPM - 19,600PSI
3,000RPM - 23,500PSI

Needless to say I'm running the regular Extreme RKL tunes as it's quite a bit more powerful then the stacker tune and haven't had any issues running it with my PowerPDA.

Good Luck!

Dodgezilla · Post by **Dodgezilla** » Sat Jun 23, 2007 2:10 pm

Hmmm, how are you able to read those pressures and I can't but we are running the same Predator?????? I don't see that option anywhere when I plug it in...

MegaBOMB · Post by **MegaBOMB** » Sat Jun 23, 2007 2:16 pm

I used my Superchips FlashPuke, atleast it's good for something... HAHA

Dodgezilla · Post by **Dodgezilla** » Sat Jun 23, 2007 2:23 pm

Ah Ha!!!

Thanks for the info....

bud8fan · Post by **bud8fan** » Thu Jun 28, 2007 5:40 pm

i have been running my 7131 in extreme and rkl without my puck but now since i got my puck back from diablo and went back to the puck tunes it seems to run a hellova lot better then before...funny how the same truck runs diffrent on diffrent tunes....

MegaBOMB wrote:I compared the rail pressure of the Extreme RKL vs Extreme RKL Stacker tunes on my U7131 and got the same readings from both, which are:

1,000RPM - 10,200PSI
1,500RPM - 12,600PSI
2,000RPM - 16,200PSI
2,500RPM - 19,600PSI
3,000RPM - 23,500PSI

Needless to say I'm running the regular Extreme RKL tunes as it's quite a bit more powerful then the stacker tune and haven't had any issues running it with my PowerPDA.

Good Luck!