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What options avail. for my lpg & petrol tanks to low?

Tech Talk for Nissan owners.

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Posts: 150
Joined: Wed Mar 10, 2004 7:02 am
Location: Newcastle

What options avail. for my lpg & petrol tanks to low?

Post by CB0569 »

My LPG tank is a 110 litre and the petrol is a 70 litre (AUX.).
The problems i have are:

a)The gas tank is to low and it keeps hitting rocks etc.It has a bash plate on it and you can only see half of the diff it is that low.

b)The petrol tank gets hit by both the upper diff arm (which prevent articulation) and the rear uni joint hits when i have travel on the RHS.

What options do i have to either lift the gas tank (which looks near impossible) or replace it.
Also i have thought about cutting the rear off the petrol tank to allow travel and prevent the uni from hitting.

I have even thought of removing the petrol tank until i go on a trip of some sort.I would like to keep a big gas tank as a trip to Sydney and back uses a tank off this size.

Help will be greatly appreciated.
Posts: 28
Joined: Fri Aug 27, 2004 11:29 am
Location: Sydney

Post by Nigel »

Hi my GQ 4.2 was dual fuel until i converted it to fuel injection.
Had the same issues when I fitted a 6 inch lift with the aux fuel tank which I had modified to clear the rear trailing arns and the capacity was then 63 litres filling from empty.
There is not much you can do about the lpg tank unless you have a internal one fitted which will take up a lot of space.
I made up a bash plate from 6mm plate steel. I used some welding wire and made a profile of the shape and had a engineering firm bend the plate into the shape i wanted.Not many engineering firms can bend multiple angles with 6mm plate
I then held the plate under the gas tank with a trolly jack and made the front mount from 50 mm angle from the plate to the original tank mounts be carefully as you unblot the front mounts as the tank even empty is very heavy. The back sat up into the tow bar. There was a lot of work but the arangment was very strong as I could jack the rear of the patrol up off the ground using a trolly jack under the plate with no stress on the gas tank. Whlist this does not address the issus directly about lack of ground clearance at least I could drag the back over rocks etc and know that I was not damaging the lpg tank.

Regards
Nigel
Posts: 372
Joined: Mon Nov 03, 2003 10:12 pm
Location: melbourne. sth eastern subs

Post by bagsy »

Ive been having the same dramas with mine. The petrol tank can be modded by LRA who make the tanks . They just weld a notched out piece into the tank where the arm would hit it. I think this costs aprox 300 bucks , not worth it in my opinion. Just let it rub. Im looking for a banded gas tank at the moment for mine , because you can modify the bands and mount it as high as you like. But the tank with the brackets welded to it cant be lifted. hope this helps shane.......
http://www.biders4wd.com/
http://www.autobalance.com.au/
www.4bfabrications.com.au
Posts: 30
Joined: Wed Jan 12, 2005 11:38 pm
Location: Langwarrin, Melbourne

Post by Stoknisan »

Initially i had the same prob with my Gas tank always scraping, I found that when I pu the 2" lift on (which probably raised the rear by a bit more than 2" due to spring sag) the drag issue was fixed.

As far as the petrol tank goes i was lucky enough that the car had the standard tank removed and an aftermarket Brown Davis tank fitted so I have not had this prob
Posts: 342
Joined: Mon Aug 01, 2005 4:18 pm
Location: Brisbane

Post by bluemq »

Can't you lift the body a couple of inches, and then at the same time insert some spacers to lift the LPG tank by the same amount ?

That's if there isn't already more room to move it up closer to the body ?
Posts: 150
Joined: Wed Mar 10, 2004 7:02 am
Location: Newcastle

Post by CB0569 »

The lpg tank bolts to the bottom side of the chassis cross rails.The tank has angles on the side of the mounts which prevent it from going up any further.
I already have a 2" body lift so there is enough gap to go up if the tank was able to.

Its also good to see that not only i have problems with the petrol tank as well.I did get a bent arm from Pro-Comp but the arm is only really designed for a small suspension lift not a 6"lift.

thanks anyway
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rOd
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Post by rOd »

bagsy wrote: Im looking for a banded gas tank at the moment for mine , because you can modify the bands and mount it as high as you like. But the tank with the brackets welded to it cant be lifted. hope this helps shane.......


Interesting.

What do these banded gas tanks look like?

My 3" lift did little to prevent the LPG tank making contact with rocks. I addressed the problem I had with, 6mm worth of armour (2x3mm).
Dont expect mere proof to sway my opinion.
Posts: 372
Joined: Mon Nov 03, 2003 10:12 pm
Location: melbourne. sth eastern subs

Post by bagsy »

Hey rod , its just a tank with no brackets welded to it . They are mounted by using 2 large steel bands that wrap around the tank and are clamped on with bolts . I have a 2 inch body lift and plan to lift the tank up into that space .....
http://www.biders4wd.com/
http://www.autobalance.com.au/
www.4bfabrications.com.au
Posts: 342
Joined: Mon Aug 01, 2005 4:18 pm
Location: Brisbane

Post by bluemq »

CB0569 wrote:The lpg tank bolts to the bottom side of the chassis cross rails.The tank has angles on the side of the mounts which prevent it from going up any further.
I already have a 2" body lift so there is enough gap to go up if the tank was able to.

Its also good to see that not only i have problems with the petrol tank as well.I did get a bent arm from Pro-Comp but the arm is only really designed for a small suspension lift not a 6"lift.

thanks anyway


My tank is the same, you can use spacers on the top of the bracket.

IE:

Instead of:

bolt
chassis mount
tank mount
nut

do....

bolt
tank mount
spacer
chassis mount
nut

Works for me.
Posts: 150
Joined: Wed Mar 10, 2004 7:02 am
Location: Newcastle

Post by CB0569 »

bluemq wrote:

My tank is the same, you can use spacers on the top of the bracket.

IE:

Instead of:

bolt
chassis mount
tank mount
nut

do....

bolt
tank mount
spacer
chassis mount
nut

Works for me.

Can you get some pics and also was it hard to do and how heavy is it?(eg 1 person and a jack or what?)

PS:How do you get the quotes the have a different background to make them noticeable?
Posts: 1949
Joined: Wed Oct 23, 2002 7:44 am
Location: Melbourne, Australia

Post by MKPatrolGuy »

CB0569 wrote:bluemq wrote:

My tank is the same, you can use spacers on the top of the bracket.

IE:

Instead of:

bolt
chassis mount
tank mount
nut

do....

bolt
tank mount
spacer
chassis mount
nut

Works for me.

Can you get some pics and also was it hard to do and how heavy is it?(eg 1 person and a jack or what?)

PS:How do you get the quotes the have a different background to make them noticeable?


Click the 'QUOTE' button above the post you want to quote then add your reply after the '[/quote]' at the end.
[size=100][url=http://www.vickrawlers.com/]VicKrawlers.com[/url]
[url=http://www.drfwdc.org.au/]Dandenong Ranges 4wd Club[/url][/size]
Posts: 150
Joined: Wed Mar 10, 2004 7:02 am
Location: Newcastle

Post by CB0569 »

COOL!!

Thanks for that.

Craig
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