Turbo sounds wierd!

[Enemigo]

I've searched to see if i was able to get an idea of whats making the noise.. well, last weekend we installed my tubular manifold.. everything was working perfect, no problems. Yesterday i warm up my car at work and drive home. From out of no where, when i spool up my turbo is super loud. Sounds like a bird. When i got home, i checked for problems and noticed that 2 out of the 4 bolts holding the turbo to the manifold came loose!.. so i took them out and replaced with self locking bolts. I tightened then nice and snug. Take it out again, same problem!.. turbo sounds abnormally loud. It sounds like i have an exhaust leak somewhere as well.

Will an exhaust leak make you hear the turbo 10X's louder than normal spool?

[ltsPureLuck]

do you have the clips that hold the those bolts down?

[Enemigo]

the one side fell off cuz the bolts backed all the way out.. it must have gotten lost in the process of driving home, but now that i put in self locking bolts, i don't think they will back out at all.

[GSXRJJordan]

yeah a lot of people lose the little locking clips when they install aftermarket manifolds... just head to a Nissan dealer (or order them from West Covina Nissan or Courtesy Nissan online) and get the locking clamps from a Z32 TT - just throw the nuts on and bend the locking tabs up around the nuts.

It's really the ONLY thing that'll keep those nuts from backing off.

[Enemigo]

well, those clips aren't what i'm worried about.. i can get one.. its the sound of the turbo thats boggling me.. i don't get why it would sound like a 1000hp turbo drag car. It spools very very loud. seems like i was running no downpipe!

[ltsPureLuck]

maybe blown turbo outlet gasket, on my t25 one of the studs broke off on the turbo outlet and found out i had a blown gasket. the car was very loud and i used RSR exmag exhaust (really quiet exhaust)

car feel any slower?

[Enemigo]

u talking about the gasket that goes from the turbo to the elbow? i dunno, i would have to check to see.. but the car boost fine and holds boost. It doesn't feel slower.

[Enemigo]

bump..................

[Sileighty_85]

well just run the car and look/Feel for the sound while a buddy rev's the engine to pin point the location

Now if its a griding/scraping noise only on spool up / Boosting, then your Turbo's dead