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 Post subject: air box
Posted: Mon Nov 07, 2005 1:59 pm 
Oompa Loompa
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Joined: 21st Dec 2004

Ride: EF2 XR6

Location: Brisbane
QLD, Australia

just installed a new unifilter into my EF2 XR6. On replacing this I noticed on the inside of the airbox cover there was a tube which ran almost the length of the cover. Is this necessary or can i hacksaw it off so the air can run directly into the engine?
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Posted: Mon Nov 07, 2005 2:47 pm 
Smokin em up
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Ride: Falcon RTV

Location: Maryborough
QLD, Australia

Leave in, it draws the air from the centre rather then the end of the box.
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 Post subject: Re: air box
Posted: Mon Nov 07, 2005 5:57 pm 
Getting Side Ways
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xr6digga wrote:
just installed a new unifilter into my EF2 XR6. On replacing this I noticed on the inside of the airbox cover there was a tube which ran almost the length of the cover. Is this necessary or can i hacksaw it off so the air can run directly into the engine?
yeah dude, I service my wifes EF panel unifilter couple of months back after 5400K's. notice a concentrated thick black round circle in the centre of the filter, put it up against the sun light & you can't see throu it.
I compared it with the utes filter{unifilter} which was spread out evenly. still see alot of sun light throu it, EL & AU sucks air from all 4 corner of the filter.

I ended up hacking it off. ended up with a 80mm opening. :P

 

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Posted: Mon Nov 07, 2005 5:59 pm 
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Ride: '95 EF's

Location: Leederville
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the EF airbox lid was flow-tested as the best out of the EF/EL/AU lids, due to the trumpet inside of the lid.

so remove if you wish, it won't make sweet FA of a difference!

 

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Posted: Mon Nov 07, 2005 6:31 pm 
Getting Side Ways
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uglybob wrote:
the EF airbox lid was flow-tested as the best out of the EF/EL/AU lids, due to the trumpet inside of the lid.

so remove if you wish, it won't make sweet FA of a difference!
but if you remove the trumpet & mount a inbox pod filter & 80mm adapter will that make sweet FA of a difference?
All I can say is it has a better throttle response, less service on the EF filter.

 

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Posted: Mon Nov 07, 2005 6:34 pm 
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again, pods have been proven to show next to no real difference over panel ones.

each to their own - if you want to cut it off, go for it - but either way its not going to really change much power-wise!

 

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Posted: Mon Nov 07, 2005 7:05 pm 
Getting Side Ways
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uglybob wrote:
again, pods have been proven to show next to no real difference over panel ones.

each to their own - if you want to cut it off, go for it - but either way its not going to really change much power-wise!
good think I didn't purchase one of those fancy 3" mendral bent intake pipes & pod filters. hehehe

all those test was done on stock lids. EF with 55mm tube opening or bell mouth. against 55mm ventury opening of au's side of box.

but did they test a 80mm bell mouth adapter for comparision?

 

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 Post subject: air box
Posted: Mon Nov 07, 2005 8:38 pm 
Oompa Loompa
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Ride: EF2 XR6

Location: Brisbane
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thanks for your replies guys.
seems like it it best to keep the trumpet in there as removing it is just a s**t of a job with no real enhancement to the running of the car.
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 Post subject: Re: air box
Posted: Mon Nov 07, 2005 11:47 pm 
Getting Side Ways
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xr6digga wrote:
thanks for your replies guys.
seems like it it best to keep the trumpet in there as removing it is just a s**t of a job with no real enhancement to the running of the car.
leave it as is unless you have some major mods eg: blueprinted, full engine balance, lighten flywheel & driveshaft, big cam, extensive head work, injectors, extractors, exhaust & aftermarket ECU.

 

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