2015 pro W/ Silber Detonating

[snowcheck163]

Hi every one. I have a 2015 pro with the older injector and piggy pack set up. I just got my clutching and fuel dialed in. But at WOT I'm detonating. tried adding a little more fuel just in case and 110 race fuel. I'm mixed at about 50/50 between 110 and 91. Is there a way to maybe retard my timing a little? or is there something else I'm missing.

(Used second hand kit at 5psi)

 

[wellfed777]

are you sure you not over reving ?

are you running a boost gauge and AF gauge ?

 

[snowcheck163]

It's hard to tell on rpm because det happens and shuts me down. But as far as I can tell. I'm between 82-8500rmp. Stock spring 140/330 and 78grm weights. And 5lbs of boost on the gauge. Afr is at 11.5wot 12 Middle and 14.5 at idle.

 

[wellfed777]

Yeah well they can hit rev limiter and it's hard to see on gauge
And that acts just like det
Maybe try a little more weight and see if that does the trick
If you're seeing 8500 on the guage
That makes my suspicious about rev limiter kicking in

 

[AKFULLTHROTTLE]

Yep, the DET will hit every time it over revs... Get her down to 8250 on that Pro.

 

[snowcheck163]

Okay so I had it out on a deep day. With a little more clutching I'm at 8,000rpm. Changed my tune a little. Low rpm, I'm good. Flat spot at mid but when I can get it to open up it screams. But if I tune it so mid runs good I get the det code. Also the flat spot at mid makes it un rideable. Can post video some where.

 

[wellfed777]

what elevation? What #s are you running on controller ?

 

[snowcheck163]

All ready said that. But 5lbs of boost. 11.5wot 12.5mid and 14.5 idle.
I think it's a timing thing. I know on newer kits they have a timing key that like takes out 3° at high rpm.

 

[snowcheck163]

First ride was at 5000ft second was at 8,000ft. Seemed to run better at 5. But rpm didn't change.

 

[kgra]

Run in ethanol mode will retard the timing.

 

[snowcheck163]

It is in ethanol.

 

[wellfed777]

i meant the #s on your controller

 

[Boston Racing]

Raise your blue green mode.

What are your settings?

 

[snowcheck163]

By raise do you mean go to like 14 15 or 12 11. Cus lower number is more fuel. If I remember I tried that. And mid throttle ran better but top end ran like ****.

 

[snowcheck163]

Green. 15
Yellow 12
Red 11.5
Green Blue 13
Yellow Blue 12.5
Red Blue 12.

I had the red kick in sooner due to max boost before the flue would hit and it would detonate. With where it is I get fuel then boost and it runs good at the top rpm if I have a good load. (powder, hill climbing) if I'm on the trail it detonates. Also mid throttle is laggy if not unusable. But if I feather the throttle or ease into it I can get to the higher rpm and get the turbo to really spool up and get the power. And I mean POWER. But if I let off and drop back into the mid rpms it stutters and falls on its face. Usually sending me off the front... I'll post a quick video at 5k ft.

 

[snowcheck163]

Hello?

 

[snowcheck163]

Fixed it. Bad waste gate controller. Was building like 15lbs of boost at wot

 

[wellfed777]

that makes perfect sense ! glad you got it

another reminder that running a boost gauge is a handy tool