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Hi all, is there anyone here that could tel me what the standard boost pressure is on the Astra h Sri turbo pls, seem to be struggling on getting a answer. Tia 馃憤
 

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Discussion Starter #4
It鈥檚 only the z20 LEL 170. Fitted a boost gauge the other day and only seem to hitting 8 psi on a good day at best. Also got in touch with a guy today about a stage 1 tune and they got back to me with a gain of 30hp takes it to 200 and 50nm of torque taking it to 300nm. Just new to the scene of modding and need advice 馃憤
 

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Thats about right then..

I have a z20ler ecu for sale if interested?comes with car security code for programming too
 
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