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fmu maximum boost

Old 10-05-2003, 04:33 AM
  #1  
0.5 BAR
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Default fmu maximum boost

What is the maximum boost a 12:1 fmu can run on a T3? What is the most safe boost level to run?
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Old 10-05-2003, 10:33 AM
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Default Re:fmu maximum boost

The turbo has nothing to do with it and the FMU isn't the problem when it comes to maximum limits. The FMU can run any amount of boost you want. The problem is in the injectors. At 10psi your fuel pressure has raised 120psi which is not good on the injectors. You can get a smaller disk for the FMU like a 10:1 and be a bit safer, but I wouldn't recommend anything over 8psi with an FMU.
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Old 10-16-2003, 04:18 AM
  #3  
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Default Re:fmu maximum boost

My friend is using a 12:1 with his greddy kit, he tired 15psi and next day found himself pulling the head and the oil pan off to slide the pisons out.

He basiclly totally destoryed the ring lands on one piston and the other 3 were pretty messed up.

He runs 6.5psi happily now.
8 would be max...
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