3406 E model getting 18psi of boost with pyro getting hot?

Pyro is hot cause it's not getting enough air. It could be leaking cac, leaking hose or piping, leaking exhaust manifold or maybe the turbo. Its hard to tell from where I sit. I'd be getting it fixed asap.

 

I drove a 6nz that did this and turned out to be exhaust housing on turbo was bad and there was dividers on the inside that direct exhaust flow on to the ex turbine all that was changed was the ex housing i have saw that the tubes in ex manifold break a piece off and go through turbo and mess the wheel up and have the same result hope this helps?

 

just take some soapy water or windex and squirt on all the boots and connections and look for bubbles. make sure you have it idled up to about 1600 or 1700 rpm. the cac you will have to plug the ends and pressurize with about 30 ibs of air to see if it is leaking.

 

keep in mind at high idle you are only going to make about 1 or 2 lbs of boost. but that is enough to find a leak, now just think when you see those little bubbles multiply that ten fold when your pulling a load- those bubbles will be huge!