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Discussion Starter · #1 ·
I have a 2000 GMC ambulance engine. Dual alternators and the center mounted turbo. The turbo is new and I’m using a mechanical spring tension set up.

I need to know what boost psi settings should be at different rpms.
 

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I have a 2000 GMC ambulance engine. Dual alternators and the center mounted turbo. The turbo is new and I’m using a mechanical spring tension set up.

I need to know what boost psi settings should be at different rpms.
using a boost gauge you should set your max boost at no more than 11psi. for any given rpm..
 
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Discussion Starter · #3 ·
Glad I asked. I thought it was 12-15
 
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