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Discussion Starter · #1 ·
at the mo my car is running at 1.1 bar my m8 is remaping it with a 300zx ecu and changing my boost cont so it will be running at 1.3 bar should i upgrade my head gasket or are they goog foe 500 bhp
 

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R34 Next?!
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1,029 Posts
I'd suggest speaking to RSP first then.
 
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