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Impco 300A Mixer with airbox not even air-tight??

Tech Talk for Nissan owners.

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Posts: 110
Joined: Sun Sep 07, 2008 10:22 pm
Location: Australia, QLD Sunshine Coast

Impco 300A Mixer with airbox not even air-tight??

Post by BrentE »

I have just been checking out my air box and it isn't even air tight? Are they supposed to be like this or is mine dodgy? The bottom piece of plastic isn't big enough. I have some pictures..

Are there any aftermarket air-boxes that are available?

Image

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1991 4.2 petrol shorty, dual batteries, IPF spoties, ROH Alloy's, roof racks, 2inch lift kit, 33 inch tyres, 2 1/2 inch exhaust with extractors, rock sliders
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Post by chimpboy »

Looks much the same as mine used to.

It is pretty sub-par for a 4WD but that's the way it comes. I saw one guy who bought a cheap stainless saucepan (yes, a saucepan) at the right diameter, a bit of rubber etc and you have a rather good-looking cover for your air filter.

With mine I ran the intake out to the snorkel but never did get around to sealing the air filter housing before I sold the car.
This is not legal advice.
Posts: 110
Joined: Sun Sep 07, 2008 10:22 pm
Location: Australia, QLD Sunshine Coast

Post by BrentE »

Haha saucepan nice :) i found two shops that do the custom airbox fairly pricey :?

http://www.millweld.com/a/Airbox
and
http://www.bigo4x4.com.au/default.asp?page=custom

no idea if they can do freight although.
1991 4.2 petrol shorty, dual batteries, IPF spoties, ROH Alloy's, roof racks, 2inch lift kit, 33 inch tyres, 2 1/2 inch exhaust with extractors, rock sliders
Posts: 14
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Location: melbourne

Post by missinnissin »

you can get an air/water seal from clark rubber
Posts: 19
Joined: Sat Jan 26, 2008 1:30 pm
Location: Warragul, Vic

Post by outtacontrolpatrol »

I used a VN 5.0l airbox to ensure good filter seal, made stainless mixer cover, bit of silicon hose and 3inch stainless snorkal. works awesome and still allows easy acess to rear plugs and leads.

http://www.flickr.com/photos/40257133@N08/4139086345/

http://www.flickr.com/photos/40257133@N08/4139088003/
Posts: 186
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Post by Chook350 »

i used a 20 litre drum, cut a hole in the bottom, and then cut the base off another as the lid, 2 holes either side and pipe into that.
Posts: 110
Joined: Sun Sep 07, 2008 10:22 pm
Location: Australia, QLD Sunshine Coast

Post by BrentE »

outtacontrolpatrol wrote:I used a VN 5.0l airbox to ensure good filter seal, made stainless mixer cover, bit of silicon hose and 3inch stainless snorkal. works awesome and still allows easy acess to rear plugs and leads.

http://www.flickr.com/photos/40257133@N08/4139086345/

http://www.flickr.com/photos/40257133@N08/4139088003/
Nice job, is it better to not have airfilter where mine is ontop of mixer? I was thinking of putting pod-filter at top of snorkel when i do it?
1991 4.2 petrol shorty, dual batteries, IPF spoties, ROH Alloy's, roof racks, 2inch lift kit, 33 inch tyres, 2 1/2 inch exhaust with extractors, rock sliders
Posts: 19
Joined: Sat Jan 26, 2008 1:30 pm
Location: Warragul, Vic

Post by outtacontrolpatrol »

mine originally had the air filter over the mixer. by putting in a different airbox was able to make the mixer cover slightly more compact (used old air filter as template for diametre) plus i didn'y think that the ring filter sealed that well anyways. But i honestly dont think it'd make a massive differnce where the filter is situated. if i was gonna use just a pod filter i'd only use a high quality one like k&m. . . . but thats just me
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Location: Melbourne

Post by 1TUFFGQ »

All I did was remove the entire assembly when doing filter change and gaffa tap the whole thing. Did plenty of deep river crossing and bogholes with no problems.
GU Patrol intercooled TD42T, lifted, Cheezy sliders, ARB air locker, beadlocked Claws, Warn winch
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