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EF Fairmont airbox 

 

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 Post subject: EF Fairmont airbox
Posted: Thu Jan 15, 2015 7:24 pm 
Getting Side Ways
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Age: 35

Posts: 405

Joined: 8th Jul 2009

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Ride: BA MKII XR6

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?

:?

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 Post subject: Re: EF Fairmont airbox
Posted: Fri Jan 16, 2015 6:41 am 
Getting Side Ways
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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: http://www.autospeed.com/cms/article.html?&A=107828

 

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95 EF XR6 wagon, 17" FTRs, DBA, QFM, KYB/Koni, AU block, ported 4-angled EF XR6 head, SS Inductions, Territory intake, 10:1 CR, Auckland 1258 cam, Coby headers, no cat, Tickford 2.5", 2850rpm stall, J3 chip

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