Does a 1991 NA Coupe have 6-port intake

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09-25-10, 01:33 AM

S5na91

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Does a 1991 NA Coupe have 6-port intake

Does a 1991 NA Coupe have 6-port intake with 5th and 6th auxiliary ports that open up at around 3500 rpm? thanks

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09-25-10, 02:36 PM

farberio

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Yes it does. They open up via the air pump.

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09-25-10, 07:21 PM

RotaryRocket88

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http://mazdarx7.iougs.com/intakeair.shtml

This site is mostly S4 NA, but this page has a picture of S5 NA port actuation and an explanation. You'll find lots of information in the 2nd gen FAQ, which has links to the factory manuals as well.

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09-25-10, 10:05 PM

hashman626

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thanks for the link but i've all those pictures already, i have an haynes automotive book for 96-91, those are all scans out of the book haha

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