Wastegate swap?

[jp77]

I have done a search but to no avail. The turbo on the gs-t is a evo3 (not real evo3). I have obtained a 14b turbo for cheap and was wondering if I could use the wastegate assembly on the 14b. Thanks Josh.

 

[Mr Peepers]

From what I've seen, no you can't without modification.

Most knock off evo3 16g's use a straight WGA arm that is adjustable, and have a larger hole on the end to fit the larger flapper lever pin. Otherwise they are pretty close in dimensions, spring pressure, and articulation.

Why do you want to swap the WGA's in the first place? And do you mean swap the 14b WGA to the knock off evo3 or swap the evo3 WGA to the 14b?

 

[jp77]

swap the evo 3 wga to the 14b. I thought the evo3 wga was better than 14b. The actuator arm does fit the flapper lever pin. I secured with a descent size cotter pin.

 

[Mr Peepers]

Is there anything wrong with the 14b WGA?

 

[jp77]

not that I can tell. The entire wga assembly is rusted I didn't know if that would be a problem with the actual function of the wag. This turbo came off a wrecked 2g dsm. No in/out shaft play only slight side to side

 

[Mr Peepers]

Is the hole noticeably larger than the pin itself?

I've only seen one knock off evo3 WGA and your may be different. Do you have any pics?

The one I looked at was about the same as any other 14b/16g WGA and wouldn't be considered better or worse. Evo3 WGA's(MHI/real) only have a slightly stiffer spring, which isn't much help to a 14b anyway.

Rust won't really affect it as long as it doesn't leak any air when pressurized. If you want to fit the other WGA, it should work with a little massaging to get it to match up. Just be sure it has a little spring pressure holding the flapper shut, it doesn't take much. Observe how much preload the stock 14b WGA has on the flapper and go from there. I would also use compressed air(15 psi should be plenty) to test it out while its bolted to the turbo. It should move freely and have ~3/8" of total travel.

 

[jp77]

here are some pics

 

[jp77]

Thanks for the help I will test the 14b wga tomorrow. Thanks again

 

[Mr Peepers]

No problem

Looks like it should work pretty well, just make sure it doesn't bind anywhere in its travel (the WGA arm had to be moved over to reach the flapper lever, knock off turbos have the lever sticking out more, hence the straight rod).

Good luck!