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EF Fairmont airbox 


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 Post subject: EF Fairmont airbox
Posted: Thu Jan 15, 2015 7:24 pm 
Smokin em up
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Age: 32

Posts: 233

Joined: 8th Jul 2009

Gallery: 1 images

Ride: EF GLi Manual, '91 EB Wagon

Location: Waikato
New Zealand

Hi guys,

I needed to replace the air intake on my fairmont, so I went to the wreckers, and got one. I see though that it has an extra pipe / hose on the inside of the upper section, that the one in the car didn't have... Is there any benefit to it, or should I remove it?


airbox.jpg [ 32.37 KiB | Viewed 71 times ]
 Post subject: Re: EF Fairmont airbox
Posted: Fri Jan 16, 2015 6:41 am 
Getting Side Ways

Posts: 839

Joined: 1st Apr 2005

Gallery: 4 images

Ride: EF XR6 Wagon, AU2 XR6 VCT

Power: 148 rwkw

Location: Auckland
New Zealand

There is probably not much in it either way. The minimum diameter of the tube is smaller, but it is bell-mouthed for much more efficient flow on entry, so probably not much difference either way in flow or restriction.

But you can do better. Replace the tube with a section of 3" PVC pipe, putting a bell-mouth in it with a heat gun, using a funnel or similar as a former. The bell-mouth makes a big difference to air flow. Here are pics of it:



95 EF XR6 wagon, 17" FTRs, DBA, QFM, KYB/Koni, AU block, ported EF head, SS Inductions, Territory intake, MLS gasket, milled, Franklin RH24B cam, Coby headers, no cat, Tickford 2.5", 2800rpm stall, J3 chip

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