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Tial wastegate on Evo3 16g questions

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talontsi97

15+ Year Contributor
194
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Nov 12, 2004
..., Pennsylvania
I will be getting a Evo3 16g when i go to do my turbo upgrade, with supporting mods.
I have a question about using a external wastegate on the turbo. A local guy is selling a ported evo3 exhaust manifold and o2 with a Tial 40mm external wastegate mounted on the manifold for 500$$. I was just wondering if that would be alright for that turbo. Is it to much or any problems with running that? I have a Apexi n1 downpipe which i think is 2.5" and a 2.5" test pipe and Apexi n1 cat back already just so you know what exhaust I'm running. I plan on having the turbo ported to when i buy it.
Is there anything wrong with this setup up or anything i should now about. I am still somewhat new to all of this but i was figuring i can buy the manifold and o2 already ported by a good shop in the area and if it already comes with the wastegate then its good cause I have seen someone run a external on a evo16g but it was a smaller Tial so i wasn't sure if it mattered
Thanks alot
If i can think of anything else or have any questions i will be back to post
 
Yeah. There's a lot wrong with that. First of all, it's too much damn money. You can buy a really nice aftermarket O2 housing with a 40mm Tial on it for less than that. That way, you only have to remove the flapper door/arm off the turbine housing and weld up a little 1/2" hole. Mounting the gate to the manifold, you have to weld a plate to cover up the wastegate hole in the turbine housing. Honestly, if it's just a 16G, port the wg hole and stick to an internal gate. Save the $500 for something else.
 
Listen to the man....get a new EVO3 ported with 34mm internal wastegate on ebay for $550.

You'll be all set.
JJ
 
talontsi97 said:
What would be a good price for this setup then? Im not dead set on getting it I just thought it would be a good combo for the price if it was alright

There is no good price for parts you absolutely don't need. Only good price is free, or something you can buy it for and resell for a profit.
 
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