1/2 or 5/16 Plenum Spacer

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Paperpusher
Posts: 12
Joined: Sat Mar 11, 2006 4:08 pm
Car: 03 G-35

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So did I make a mistake by installing the 1/2 spacer on my 03 G-35? Because I don't hear/see any one reccomending the 1/2 just the 5/16. Did I make a mistake?


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G_whizz
Posts: 5783
Joined: Thu Mar 09, 2006 5:34 am
Car: 2010 G37 Coupe Sport
Location: Canada eh

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Nooo...not a mistake...but...from what I understand your engine cover doesn't fit properly!

Or does it?

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joe603
Posts: 8200
Joined: Mon Nov 21, 2005 5:45 am
Car: 2014 Durango R/T
Location: Atlanta

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I think you wont gain as much airflow as the 5/16 spacer...check out their website for an explanation.

Paperpusher
Posts: 12
Joined: Sat Mar 11, 2006 4:08 pm
Car: 03 G-35

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It fits fine, and runs great.

Paperpusher
Posts: 12
Joined: Sat Mar 11, 2006 4:08 pm
Car: 03 G-35

Post

According to Motordyne, the 1/2 spacer has the most HP gains up to 14

g35beaver
Posts: 12
Joined: Tue Jan 30, 2007 11:20 am
Car: '06 G35 Sedan AT

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is yours coupe or sedan? according to my research, 1/2 is only for sedan as coupe doesn't have enough hood clearance..hence 5/16.


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