Everything is finally squared away with my turbo. However I took it out for a spin and I saw no boost. I switched the wastegates and that did not help. My boost gauge says no boost, as does my VAFC, and I hear nothing from my BOV, so theres definitely no boost. I am using the nipple on the 14b eblow on the compressor side for the vacuum for my wastegate. I can hear the turbo spool (I think, first turbo car), and the car runs fine other than that. It feels just like it did before I bolted on the turbo, minus any boost. The turbo I bolted on wasn't in great shape, there were alot of cracks around the wastegate and in that area, but I bought the turbo from a good friend who had it on his 4g63, and it pulled hard. Heres my setup if its any help-

DOHC ZC
14b w/ stock wastegate
FMIC
DSM 450s
AFC Hack
HF Mani
Adapter Plate

Any ideas?

 

And it runs fine to redline, it doesnt bog when it "should" be boosting.

 

did you double check your charge piping and whatnot for leaks?

also are the turbine blades moving/ spinning freely?

 

The charge piping looks good, if there is a leak, its not this big. Ill have to go look at the blades, but I imagine they are. Any other ideas?

 

Exhaust leak at the manifold, leaking charge pipes, wastegate not fully seated.

 

Ok, I found a large exhaust leak, and fixed it, now there is very slight boost, but not much. My AFC read a fraction of a pound. However, when I fixed the exhaust leak, I switched back to the old wastegate (its a lower PSI), and Im not sure that wastegate works. I will put back the stock wastegate tommorrow. I cannot feel any more leaks, and the charge pipes are all clamped up. The Precharger filter couldnt have anything to do with it, could it? I have it right over the turbo inlet, so that only leaves me with about a 1.75 inch circle of filtering area, and this is a very fine material.

 

Bump.

 

I found another exhaust leak, but I cant get rid of it. Its inbetween the turbo and the piece that converges the exhaust and WG exhaust (dont know what thats called). I tried torquing down the two bolts the leak is inbetween, but that didnt help. I even used a breaker bar to get it as tight as possible, I actually broke an extender clean in half while torquing it. And ideas?