Mcx nytro issue. Doesn't build boost

[bigbird]

Had to tear my sled apart to replace starter. I have missed something putting it back together. Sled idles great, runs fine until it calls for boost. Will slowly ramp up boost to about 5 lbs. and that's it. I've checked every connection 4 times and am very confused. Any help appreciated. It's an mcx 270 kit

 

[08nytromtxa]

Sounds like your extra injectors are not kicking in.


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[bigbird]

I was told it would pop and miss if they weren't coming on. It runs smooth

 

[08nytromtxa]

What's it make for rpm? Did you mess with waste gate rod? Is your throttle cable tight?


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[Thistledoo]

Put a small amount of air into the box and the inj should fire and at idle it will flood her out or stumble heavy. Then u know there working for sure

 

[up-high]

Probably a boost leak. Get a piece of abs pipe diameter of the intake side of turbo. Glue plastic abs cap to abs pipe. drill a hole in cap just smaller than air chuck. Heat chuck and thread into cap. Put 15# of air into intake and listen for air leak.