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Bussey's Billet GT2867 323bhp V


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Love this, sick of seeing huge turbos on starlets like!!

I get that a bigger turbo gives you a higher scope for power but its all about drivability imo.

Bang on mate !

This setup feels like a CT9 with a massive kick up the ass, I love it :D

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  • 3 weeks later...

Cheers everyone :)

Car lasted 4 days before another problem had cropped up.

She won't boost over 0.5 bar and the external wastegate won't open up.

So far, waste gate has been rebuilt with genuine new diaphram and seats all checked. All new vaccum lines, turbo removed and checked over, the whole pressure system smoke checked. Boost solenoid checked over and works fine.

So yeah, at the moment it has myself and some very clued up people extremely confused.

In the mean time new exhaust :) and some pictures of when she was last out about 2 weeks ago.

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Centre silencer is now gone. The only silencer in the system is now the one pictured one the left, and that's at the rear.

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Edited by Bussey
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we had a external wastegate (that was genuine) that needed piped up in a way that seemed incorrect to allow it to make boost.

was a fella on here with a red glanza V

Phil

But it worked fine before mate, then the boost just suddenly crept down, literally no reason behind it either!

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Surely if the wastegate wont open you'd be getting over boost?

You would think so!

obviously the boost is bleeding off somewhere

small crack appearing in diaframe from gate i think ??

Wastegattes been fully rebuilt and checked by Owens mate

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What spring do you have in it?

The only thing that is controlling boost is the wastegate, I reckon it's your boost controller.

Edited by TimD
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What spring do you have in it?

The only thing that is controlling boost is the wastegate, I reckon it's your boost controller.

It's 0.65 bar, was new 2 months ago.

Currently it won't boost past 0.5, hence why the screamer isn't opening up :(

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You need to try a bleed valve or something to see if you can get some more boost out of it.

The wastegate is doing it's job in that you aren't seeing overboost. You might no be getting .65bar, but that could be down to a tired spring.

Edited by TimD
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