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  #1 (permalink)  
Old 05-27-2010, 05:43 AM
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Default Fuel filler cap inside the boot - legal?

You may have seen the disastrous effects of the Cobra that flipped over in the US, dislodging the fuel filler cap and the resulting inferno.

or...

You just might choose to run a fabricated fuel cell with the flush mounted fuel filler cap:



I'm thinking about the legality of such tanks/cells in Australia. In reading the General Requirements for fuel tanks according to the current national code of practice standards, it says the following:

The fuel filler inlet and cap should be located outside of the vehicle. Where an inlet is located inside a vehicle, it must not be inside the passenger compartment and the inlet must be separately sealed from the rest of the vehicle to ensure fumes do not enter the passenger cabin and that provisions are made to ensure any fuel spills are localised and drain outside the vehicle.

Would you think I'm correct in interpreting that as.....

Where an inlet is located inside the vehicle (ie: in the boot), it must not be inside the passenger compartment (it's not) and the inlet must be separately sealed from the rest of the vehicle (the bootlid and the panel between the boot and the back of the seats - what some refer to as the boot firewall - seals this area from the rest of the vehicle) to ensure fumes do not enter the passenger cabin.

I'm keen to hear if approving engineers have had anything to say about this for those who may wish to use a race-spec fuel cell or bladder.
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Last edited by 750hp; 05-27-2010 at 07:20 AM..
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  #2 (permalink)  
Old 05-27-2010, 05:47 AM
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I read it the same as you. ie. it wouldnt work in a Daytona or hatch back car.

I thought the US guys were running a standard fuel cap under the flip cap?
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Old 05-27-2010, 06:24 PM
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Quote:
Originally Posted by 750hp View Post
The fuel filler inlet and cap should be located outside of the vehicle. Where an inlet is located inside a vehicle, it must not be inside the passenger compartment and the inlet must be separately sealed from the rest of the vehicle to ensure fumes do not enter the passenger cabin and that provisions are made to ensure any fuel spills are localised and drain outside the vehicle.

Would you think I'm correct in interpreting that as.....

Where an inlet is located inside the vehicle (ie: in the boot), it must not be inside the passenger compartment (it's not) and the inlet must be separately sealed from the rest of the vehicle (the bootlid and the panel between the boot and the back of the seats - what some refer to as the boot firewall - seals this area from the rest of the vehicle) to ensure fumes do not enter the passenger cabin.

I'm keen to hear if approving engineers have had anything to say about this for those who may wish to use a race-spec fuel cell or bladder.
750, I see an issue with the last statement and that provisions are made to ensure any fuel spills are localised and drain outside the vehicle.
This to me suggests the filler should be in a well with a drain piped through the floor to outside the boot space, our a raised filler with a cup type well and drain.
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Old 05-27-2010, 06:51 PM
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Hi Craig.

Are you looking at getting the Blue Beastie back on the road? It'd be great to see.

How about routing the fuel filler like the 289 cars on the top of the rear deck. The filler would then be protected by the roll bar. It'd be easy to retrofit into your existing tank setup too.

Cheers
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Old 05-27-2010, 07:20 PM
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Quote:
Originally Posted by Zedn View Post
I read it the same as you. ie. it wouldnt work in a Daytona or hatch back car.

I thought the US guys were running a standard fuel cap under the flip cap?
This I think (hope) is approved and should overcome the problem of the top being flipped open during a roll over.

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Old 05-27-2010, 08:55 PM
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The period style protruding fuel fillers disappeared because of the safety risk they pose.

I have seen many cars (mostly drag bias) inspected on the street without mention of the in boot filler.

I tend to agree with the interpretation 750 has placed on the rules - seems that many bikes have a similar set up now with the filler under the seat ...

LB
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Old 05-28-2010, 04:05 AM
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Quote:
Originally Posted by Rebel1 View Post
This I think (hope) is approved and should overcome the problem of the top being flipped open during a roll over.

I may be incorrect ????I thought it was mandatory at least in Victoria to have a mechanism to SECURE the Fuel at least as in your picture if using this type of filler and with the Unleaded nozzle return restrictor??

OZ
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Old 05-28-2010, 05:17 AM
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Yep Oz, same here. Here is a pic of the unleaded insert that's in that
filler.

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Old 05-28-2010, 05:20 AM
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I've got a regular unleaded filler neck complete with cap under my LeMans cap. It's an ADR requirement to have the unleaded only filler neck and a sealed cap. All vapors must go to the charcoal canister. The LeMans cap is purely ornamental.
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Old 05-28-2010, 10:19 AM
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if the sole reason behind this query is how to prevent an inferno, then why not just fill the fuel cell with foam...and fill it via a normal (outside) filler tube?

Are you overthinking things?

A gas cap in the boot, no matter how careful you are, will always have gas spilled around it, even if you wipe up after every fillup. The boot will always smell of gas, as will anything you carry in there.
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Old 05-28-2010, 10:38 AM
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Quote:
Originally Posted by Dumpling View Post
if the sole reason behind this query is how to prevent an inferno....
The boot will always smell of gas, as will anything you carry in there.
Nah - I was just going for the tabloid journalism angle of overstating the most extreme outcome to get some attention.

If you look at the photo above, you'll see that carrying items in the boot is barely an option anyway. I have a couple of cars that I'd like to run fuel cells in, and figured it'd be nice if I can have a mod plate code that proves their legality for the street.

David - I agree 100% and I'm looking at options now. I can picture exactly what it looks like, and I'm a bit worried it might remind me of a dog that's just had an operation...!

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Old 05-28-2010, 11:14 AM
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so you'll never want to throw a light jacket in there? A blanket and/or some bagged folding chairs to watch the activities from? A camera bag? A shopping bag full of new clothes (that your wife just spent hours shopping for while you were looking at cars)? All now smelling like gasoline.

Where will you keep the rag you wipe the spilled gas with?

Ask me how I know all this...
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Old 05-30-2010, 04:23 PM
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Quote:
Originally Posted by 750hp View Post
rofl :lol::lol::lol:
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Old 07-13-2010, 09:27 PM
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Looks like a great quality fuel filler.

Do you know who makes this?

Do you have any photos of the back side hose connection?

WB
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Old 07-14-2010, 02:38 PM
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What are the best, inline EFI, fuel filters?
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Old 07-14-2010, 06:01 PM
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Original equipment ones.
I have plumbed my fuel system so the VX Commonwhore fuel filter clips straight on with the original clips.

After all the factory have invested millions to make these engines run as good, as fuel economical and as long lasting as possable.
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Old 07-14-2010, 10:23 PM
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I was just wondering what others use after they have increased engine power and fuel pump output?
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Old 07-15-2010, 04:42 AM
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Boxhead I would not agree, oem typically use whatever is the bare minimum, and most importantly the cheapest
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