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masraum masraum is online now
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Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 56,773
Just for another data point.

The Mazdaspeed Miata which is a factory turbo from 2004 and 2005 has 9.5:1 and stock runs 8-8.5psi, but seems to be fine up to about 9.5 or 10 psi.

The mazdaspeed miata system seems to be fairly crude by today's standards.
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Steve
'08 Boxster RS60 Spyder #0099/1960
- never named a car before, but this is Charlotte.
'88 targa SOLD 2004 - gone but not forgotten
Old 09-03-2014, 05:00 PM
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