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Biggest port you can do while still remain emission legal.

   
Old Jan 26, 2002 | 09:57 AM
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t_mak@mail.plymouth.edu's Avatar
t_mak@mail.plymouth.edu
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From: Norwich CT
Biggest port you can do while still remain emission legal.
Hey guys, what is the biggest port you can do when you rebuild motor while remain emission legal and driveable?
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Old Jan 26, 2002 | 11:58 AM
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mazdaspeed7's Avatar
mazdaspeed7
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From: Savannah, GA
Street ports can pass emissions on a car that is running good withg cats. Anything bigger than that might be possible, but it would take a lot more work with tuning it to perfection.
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