E316G WG troubles?

[Beast5500]

soo... i recently got a turbo, and it came with a wastegate but im really doubting that its the right one...

when i hold the flapper closed with the wastegate in place and rod connected and no bolts in. the legs of the wastegate that the bolts go through are a good 1/4" away from the compressor housing...

the shaft was actually bent because someone torqued it up without any spacers.

but im using like 6+ washers to shim it out this does not seem right.. whats wrong here.

 

[Beast5500]

ill have to get a pic when i get back out to the car....

i just "fixed" it i guess but would like to know whats really wrong...

i ended up putting 2 large nuts between the wastegate and the compressor housing. large as in like almost 1/2" thick. then tightened the bolts. this held it far enough away from the housing to keep the flapper closed.

but this kind of rigging shouldnt not be needed if this was the correct WG correct?

 

[Pale Horse]

That wastegate arm is definitely too long. See if someone with an Evo III 16G will post up the arm length of the OEM wga and compare it to yours. You should be able to preload it with only a few washers. They shouldn't be needed at all to make the wga functional though.

 

[Pale Horse]

He is saying he needs to add spacers in order for it to hold the wastegate flapper shut tightly enough to build boost. Which shouldn't be the case. It should provide tension without spacers.

 

[Beast5500]

He is saying he needs to add spacers in order for it to hold the wastegate flapper shut tightly enough to build boost. Which shouldn't be the case. It should provide tension without spacers.

Yes, exactly what he said.

The rod is actually so long that if i bolt the Wg to the compressor housing without any spacers it holds the flapper in the open position.

 

[96ETT]

I just had the same experience with a turbo rebuilder on here and was told that shimming it with spacers (washers) is ok. I haven run it yet though.

 

[My1GLaser]

I had to shim my brand new Evo3 16g WG with 3 washers or it wouldn't hit full boost til 5k WTF It sounds like you are having to shim excessively.

 

[Beast5500]

yea apparently i went a little too excessive because now its closed all the time..

 

[JusMX141]

Sounds like you're mixing a MHI actuator with a knockoff cover, or vice-versa. The actuator mounting towers are not the same height between MHI and knockoff covers.

 

[greekgodchaos]

I was wondering about this very same issue today actually because I have an eBay Evo III 16g with an MHI Wastegate with 3 washers on each post keeping the flapper in the closed position, and my boost builds stupidly slow. Good to know they are not 100% compatible

 

[bryanwheat]

Sometimes the older actuators will just not hold the wastegate closed if bolted directly to the housing with no washers. I am running a 14b with a stock actuator and it needed about 4 washers on each side for the gate to be closed with a little bit of tension on it.

 

[Beast5500]

im pretty sure that i have a MHI housing. but do you think a knock off wastegate would work better for my situation?