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Thread: Turbo header measurements??

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2013-05-20 18:58:23
Turbo header measurements??
I'm currently developing some interesting things here in Chile with the VE's but now I'm king of stuck in this LOL.
The idea is a stock bottom VE, CP 8.5 86,5mm, thow in some nice rods, and the head with valve seat shim (5 angles), sr16 cams, xcessive header and all of that stuff. Running NEMU RT
The goal is about 350~400 whp with a Holset HX-40 turbo and a more like "linear" setup to don't stress to much the gearbox.
About the exhaust header is the new stuff, I'm thinking a "longer" one.
Here we tested a few of these, one in a Clio (Lutecia) Sport w/ a GT3071 and its crazy. And now with a Lancer w/ EVO III engine stock 2.0lt with the HX40 turbo and at 5600 rpm is already at 1,5bar boost. Around 3000rpm is at 0.8bar boost

So, I need the measurements of HOW long the exhaust header should or could be to get top HP.

Here is a pic of the Lancer's header

Any thoughts??

Greetings from Chile!
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