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Powerduct. Who Has Fitted Or Made One?

Clowndog

By Clowndog,
in Four Door Family & Wagoneers

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Clowndog Contributor

Clowndog

Posted
Posted

Haven't found a specific thread yet for this cold air intake mod. Anyone care to share what they ave done to get colder air in, or if thy ae instaled the official "powerduct"?

Bet there's a bunch of people who've made there own.

Share your work/secrets!

andy65b Veteran

andy65b

Posted
Posted

Your request is my pleasure.

See this link of how I made mine and some pics of it.

http://www.skylinesaustralia.com/forums/M3...html&st=140

I fitted a piece of foam glued to a piece of L shaped plastic like the other plastic I used to seal off the front.

Cheers

Andy

Clowndog Contributor

Clowndog

Posted
  • Author
Posted
Your request is my pleasure.

See this link of how I made mine and some pics of it.

http://www.skylinesaustralia.com/forums/M3...html&st=140

I fitted a piece of foam glued to a piece of L shaped plastic like the other plastic I used to seal off the front.

Cheers

Andy

I thought I saw that a while ago! Nice work; I like the home job coz thats what i wanna do. what about the air filter? What did you use there? Are you actually getting colder air u reckon?

KiwiRS4T Grand Master

KiwiRS4T

Posted
Posted

I made one by using a tub (like an icecream tub but actually had nails in it) about 140mm square behind the LH headlight cut a hole in the base near the top and fitted a one litre castrol oil container (so that it was also black) with the top and bottom cut off going into a hole cut in the front of the top of the standard airbox. Sealed all joints except the one going into the airbox to make it easier pull apart and remove when necesary.

Gave me an extra 20KW and cut a second off my 1/4 mile time. (Just kidding). No way of measuring the improvement really but plenty of air gets by the headlight at speed. Unfortunately the LH corner took the brunt when I wrote off my S1 so now I will have to start again. This time I also have an air diverter and scoop (from the group buy) to fit so that should help.

andy65b Veteran

andy65b

Posted
Posted
I thought I saw that a while ago! Nice work; I like the home job coz thats what i wanna do. what about the air filter? What did you use there? Are you actually getting colder air u reckon?

I haven't actually measured the temp difference but I am sure I am getting more cold air. The difference is noticeable at the top end. A bit less breathless at higher RPM.

Along the leading edge of the bonnet there is a rubber seal that runs most of the width of the bonnet. You need to either cut off about 4 inches on the intake side to make sure the cold air can get in. Or you can do what I did and that is fit a piece of wire inside the rubber seal and bend the rubber with the wire inside 90 degrees so it is out of the way.

I am using a K&N filter. I am not sure there is any real difference with it but at least it isn't a reason to slow the air intake.

Cheers

Andy

Bis-e Bee Mentor

Bis-e Bee

Posted
Posted
or you could just get lazy and buy one!!!!

be prepared to get bent over by Nissan though

I am ready and lubed up :(

I might get one put it when I take it for it's 60,000 km's service which is due in about 1500km's.

It's close to $200 isn't it?

I want to keep this thing genuine, has anyone got any pics of what the actual powerduct looks like?

Daleo Grand Master

Daleo

Posted
Posted (edited)

Geniune, pfft. Genuine rip off... A little bit of your time, some pinchweld and some black spraypaint.

Spend some time making something for your car, it's good for the soul.

Save your money for petrol :( .

Either that or eoi for stainless steel structure, tig welded, bolts, pinchweld, ready to fit; $100.

The queue begins here, I'll post pics if people are interested.

Edited by Daleo
Bis-e Bee Mentor

Bis-e Bee

Posted
Posted

Is this the thingy jig were talking about?

Has anyone gone down the "cold air induction" road? If so how much did it set you back, which system did you use, and what was the performance gain like?

post-59561-1240790538_thumb.jpg

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post-59561-1240790586_thumb.jpg

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post-59561-1240790632_thumb.jpg

Daleo Grand Master

Daleo

Posted
Posted

That is the item. The factory one is a very neat piece, I just used a piece of flat 1mm stainless, rolled the curve into it, tig'ed a lip around the edge, used a piece of pinchweld from Clark rubber. Rolling the compound curve was the hardest part of the whole exercise.

It was the first thing I did when I bought my car, so I'm not sure of the gain, but too much cold air never hurt an engine :( . Nice induction roar tho'.

andy65b Veteran

andy65b

Posted
Posted (edited)

I agree with danny that it looses a small amount of bottom end power but the upside is the top end.

Consumption may be a bit worse. Maybe I will change it back and watch the economy for a while.

Edited by andy65b
[[d a n n y]] Veteran

[[d a n n y]]

Posted
Posted
I agree with danny that it looses a small amount of bottom end power but the upside is the top end.

Consumption may be a bit worse. Maybe I will change it back and watch the economy for a while.

actually good idea i might run a full tank with a pod filter and full tank with no filter and see the difference

iamhe77 Grand Master

iamhe77

Posted
Posted
or you could just get lazy and buy one!!!!

be prepared to get bent over by Nissan though

$174 from memory

LOL!!

I guess you are standing in front of your computer at the moment?

Must be a bit tender to sit, eh? :D

Jetwreck Grand Master

Jetwreck

Posted
Posted (edited)
LOL!!

I guess you are standing in front of your computer at the moment?

Must be a bit tender to sit, eh? ;)

the only good thing that came out of it was that my wife didn't speak to me for a week....I didn't have to have 1 six pack holiday* all week!!!!

*Definition: Six pack holiday - Go to the closest bottle shop(1 minute away for me) - buy six pack - drink six pack before arriving home so the wife does not see - wait ten minutes - your on holiday! - e.g. wife's voice sounds a bit BLAH BLAH BLAH BLAH!!!....GOLD I say!!!!

Edited by Jetwreck

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