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| OzECruisers General Discussions E/N/D vehicles General Discussion ONLY. NO TECH THREADS |
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20-01-2007, 03:24 AM
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Regular Member
Join Date: Feb 2005
Posts: 368
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Since owning the EL for about 2 years now i ended up getting an EF intake with lid from the wreckers for $40. Anyway i have noticed both bellmouths in the airbox lid have an internal diameter of roughly 55mm. The EF trumpet inside the lid goes from 80mm to 55mm and the EL/AU lid goes from about 75mm to 55mm.
Why did ford designers go with the 55mm internal diameter? does this give better low down torque compared with 80mm openings? I know the intake pipe length does matter but why the small opening? cheers.......... |
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20-01-2007, 11:36 AM
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Two > One
Join Date: Dec 2004
Location: Adelaide
Posts: 7,063
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I do believe it was primarly done for NVH. However a belmouth opening is far more efficent than the equivelent open end. AU XR8 boxes will have an aluminium 70mm bellmouth in them iirc.
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1978 LTD - 408ci - 11.5@120.6mph - 2004 S4 - 4.2 - M6 - quattro - |
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20-01-2007, 12:35 PM
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Boooostn'
Join Date: Dec 2004
Location: Adelaide Northside
Posts: 905
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It's to make the Windsor drivers not feel so bad about having a 55mm MAF ;)
__________________
2012 FPV GS Ute - Kinetic, Supercharged 5.0L, 6spd ZF auto, leather interior - The Boosted Daily! 1979 XD Fairmont Ghia - Silver, 302C V8, Full velour interior, slowly building her up to be a tough cruiser! 2002 Nissan Patrol ST - Desert Gold, 4.8L DOHC 6cyl petrol (Soon to be reequipped with a 5.7L LS1 V8), 5speed auto, lifted, locked, 33's, nature destruction vehicle! |
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20-01-2007, 05:58 PM
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melbourne
Posts: 584
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$40 buck for an EF intake lid!! u got ripped hard! got mine for less than 20
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BA XR6 TURBO - SILVER & 1970 Mustang Coupe
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20-01-2007, 06:55 PM
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Banned
Join Date: Dec 2004
Posts: 4,078
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i'm not sure, I chopped it off, didn't seem to make any differance either way.
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20-01-2007, 07:03 PM
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#6 | |||
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Regular Member
Join Date: Feb 2005
Posts: 368
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Quote:
cheers........
__________________
EL FAIRMONT Pacemaker 4499's Megaflow 2.5in Cat X-Force 2.5in Sports Exhaust Champion STEEL igntion leads K&N panel filter, EL GT Snorkel, modified airbox 16in Speedy Holotype-R mags on 225 tyres |
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Why did FORD use 55mm I.D bellmouths?
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