5/16th VS 1/2" spacer

Forum for Infiniti M35 and M45, and Nissan Fuga owners.
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gmoney35s
Posts: 122
Joined: Sun Jan 20, 2013 10:41 am
Car: 2007 M35S

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Ok what's are the pros an cons of 5/16 vs 1/2 plenum spacer honestly just doing some research before I order

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svard75
Posts: 1564
Joined: Mon May 11, 2009 3:26 am
Car: 06 M35x
Location: Toronto, Ontario, Canada

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5/16" is plenty of added volume for NA engines the 1/2" would pertain to FI.
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zerg711
Posts: 384
Joined: Thu Sep 02, 2010 10:23 am

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From what I remember based on dyno curve, 5/16 will give gains in the lower end vs 1/2 will give gains in the top end. I'd go with 5/16.
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gmoney35s
Posts: 122
Joined: Sun Jan 20, 2013 10:41 am
Car: 2007 M35S

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Ok sounds good guess ill be ordering the 5/16
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