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GU 4.2 Air Box Lid

Tech Talk for Nissan owners.

Moderators: toaddog, V8Patrol

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Posts: 19
Joined: Sun Jul 05, 2009 8:18 pm
Location: ROCKVAGAS

GU 4.2 Air Box Lid

Post by THE HULK »

Guys, ive been told you can put a 3 ltr lid on a 4.2TD, and it gives you a few more ponies, any body done this if so, was it worth it? :roll:
Posts: 61
Joined: Sat Jan 19, 2008 9:15 pm
Location: adelaide

Re: GU 4.2 Air Box Lid

Post by tim75b »

definitely if you are finding the 4.2 lid is a restriction it wasnt a straight swap for me as the pipe is a slightly different angle and size and i had to trim a plastic bit off the box to fit but still well worth it for me
Posts: 1918
Joined: Fri Aug 26, 2005 4:28 pm
Location: Melbourne

Re: GU 4.2 Air Box Lid

Post by GUtripper »

I have a billet alloy lid on mine made by Jimmybill on the pootrol forum.... on bench tests it substantially outflowed the 3.0 lid.

I wouldn't go so far as to say it gives a big increase in hp, but it does improve throttle srsponse, and the engine happily revs beyond 3000rpm whereas previously it felt like it was being strangled and/or starved of air.

Throttle response and rolling accelleration around 90-100kmh is a lot better.
My friends aren't holding me back..... I'm pulling 'em forward.
Posts: 783
Joined: Sat Jul 09, 2005 6:57 pm
Location: geelong

Re: GU 4.2 Air Box Lid

Post by GQ4.8coilcab »

GUtripper wrote:I have a billet alloy lid on mine made by Jimmybill on the pootrol forum.... on bench tests it substantially outflowed the 3.0 lid.

I wouldn't go so far as to say it gives a big increase in hp, but it does improve throttle srsponse, and the engine happily revs beyond 3000rpm whereas previously it felt like it was being strangled and/or starved of air.

Throttle response and rolling accelleration around 90-100kmh is a lot better.
how much?
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Posts: 15
Joined: Sat Apr 25, 2009 10:08 pm
Location: Melbourne

Re: GU 4.2 Air Box Lid

Post by charged88 »

You could just run one of these:

http://cgi.ebay.com.au/NISSAN-PATROL-HI ... 2eb31c291c" onclick="window.open(this.href);return false;

they can also make them with a 4" inlet at a little extra cost
Posts: 1143
Joined: Sat Feb 10, 2007 6:11 pm
Location: Canberra

Re: GU 4.2 Air Box Lid

Post by chunks »

I was considering a billet lid, but that airbox looks half decent, anyone on here running one?
Posts: 61
Joined: Sat Jan 19, 2008 9:15 pm
Location: adelaide

Re: GU 4.2 Air Box Lid

Post by tim75b »

they are only new to the market from what i have seen but definitely on my to do list
Posts: 19
Joined: Sun Jul 05, 2009 8:18 pm
Location: ROCKVAGAS

Re: GU 4.2 Air Box Lid

Post by THE HULK »

Thanks guys, have PMed Jimmybill, and have ordered one of his high flow lids - Think i will stick with the standard box and filter ect for the moment. :D Cheers.
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