Miata Turbo Forum - Boost cars, acquire cats. - hallman mbc wont let me go over 6psi?

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- - hallman mbc wont let me go over 6psi? (https://www.miataturbo.net/prefabbed-turbo-kits-3/hallman-mbc-wont-let-me-go-over-6psi-5497/)

penpen989

11-05-2006 05:41 PM

hallman mbc wont let me go over 6psi?

hi, i have the hallman pro mbc. i turned it a few cranks to try to raise boost to 8psi but it wont go over the stock 6psi.... am i doing something wrong? its all hooked up right and i have good vac reading on the gauge.

Mach929

11-05-2006 06:14 PM

do you have it inline with the wastegate and the compressor housing?

magnamx-5

11-06-2006 05:10 PM

how is your spool up could it be a leaky turbine to manifold gasket this will limit your boost and slow spool considerably. also as mach929 said is it between the boost source and the WG?

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