Moorron
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| posted on 20/2/08 at 01:49 PM |
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Firewall to fuel tank rules.
Hi guys, quick question regarding fuel tank placement. I am building a rear engined Renault 5. It’s an inline V6 and I want to place the fuel tank in
the available space behind the driver’s seat. I am concerned about the legal bits regarding the bulk head separating the tank from the driver. At the
moment I have a fully welded in roll cage which I will have an aluminium cover on the driver’s side which is removable. The engine will be air sealed
in, but i am not sure if the tank is supposed to behind a more permanent firewall or just an air tight one. In my Indy the tank is a little further
away right at the back panel, but it is separated from the driver by the steel chassis box and riveted alloy panel.
Will I be ok with this or should a box the tank in with steel?
Cheers
Sorry about my spelling, im an engineer and only work in numbers.
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Hammerhead
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| posted on 20/2/08 at 01:51 PM |
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lotus elise has the fuel tank behind both seats, But it is accessed panel below the car so there is an aluminium bulk head in the driver compartment
to seperate you from the tank.
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Moorron
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| posted on 20/2/08 at 01:57 PM |
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cheers, any pictures?
my mates T2 renault (the rally car one) has 2 tanks each go below the front seats so there is no firewall!
Sorry about my spelling, im an engineer and only work in numbers.
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Mr Whippy
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| posted on 20/2/08 at 02:10 PM |
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That’s what I was going to suggest, make a fully welded steel box with a hole underneath for the tank to be inserted. That way it can't leak
into the cab if you’re inverted.
Fame is when your old car is plastered all over the internet
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lsdweb
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| posted on 20/2/08 at 05:43 PM |
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This lot is behind my seat! There is an aluminium cover that fixes over the top and forms the seat back. You can't see but there's a two
inch hole in the floor for any leakages and there's a nozzle from the extinguisher pointing in there as well.
 
Rescued attachment fuel.jpg
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