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Author Topic: Help Advice on Petrol tank and battery needed pls  (Read 1439 times)

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Doughnutter

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Help Advice on Petrol tank and battery needed pls
« on: October 16, 2008, 20:10:50 PM »
I need to replace the tank on my Sierra as it got damaged pretty bad when the tank strap snapped and it dropped down onto the deck mid drift at Pod  

So i'm thinking of an alloy tank. As the cars mostly used for track use it seems silly for me to go for a great big 10 - 11 gallon tank. I reckon a 4 gallon would be fine, saving a bit of weight.

The problem I have is as I would like to the car to conform to BDC regulations the tank must be seperated from the car by a firewall. Fine If I had a saff, but a 3 door? So I'm thinking of putting the tank under the car were the original one was joining the filler pipe to the excisting one. The only problem I can see from this is that I won't be able to dip the tank to check fuel levels. Does anyone know weather a plate in the boot floor that could be removed, covering the tank would be ok? With a fireproof sealant? Linky to the rules ...  http://www.thebritishdriftchampionship.co.uk/news/regulations.asp]http://www.thebritishdriftchampionship.co....regulations.asp


Also I'm not sure if i'll need a swirl pot, and what type of pump i'll need. How much fuel does a 24v suck at full beans per hour? Bearing in mind forced induction is in the pipeline, I don't want to buy twice.

Any advice please?

Oh also need to replace the battery and i've been looking at the little racing battery, what sort of current rating am I going to need for a 24v, with all the lights and fans etc on?



Offline cossiemk2

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Help Advice on Petrol tank and battery needed pls
« Reply #1 on: October 16, 2008, 20:27:37 PM »
Don't know about the tank, sorry.

But the only thing you need to know about the battery is cranking amps.

ALL the load for the lights etc. must come from the alternator. If the alternator's not up to scratch it will kill even the biggest battery.(been there, done that!)

The biggest standard Ford alternator is 90A, that should be plenty.

I have that on both my cars and don't have charging issues(well, not anymore DOH)
« Last Edit: October 16, 2008, 20:28:38 PM by cossiemk2 »

Offline Mik

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Help Advice on Petrol tank and battery needed pls
« Reply #2 on: October 16, 2008, 22:00:13 PM »
If you're only going to need a small tank, then a round tank (poss custom made but I'm sure I've seen one somewhere) can be made to fit the spare wheel well. The wheel well can then be plated over with either 1.2mm steel or 2mm ali. This should be sufficient to pass scrutineering but to be honest, you'll really need to speak to a scrutineer to get the most accurate info and in the end, they'll be the one's who'll say yes or no.

Fuel level senders are available for this type of tank.

A swirl pot can be fitted under the car beside the spare wheel well fed by the standard Sierra fuel pump and any high flow performance pump can then feed the engine.

Mik

Offline robrs2

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Help Advice on Petrol tank and battery needed pls
« Reply #3 on: October 17, 2008, 21:08:50 PM »
Tom you have a lot of options.
Do you need the spare wheel well? Remove it and fit an under floor tank.

Try to fit an under floor tank in place of the old one.

Fit a new tank, think there about £50 for a copy part.

fit an incar tank inside a fire wall box

 

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