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Author Topic: LPG Tank Options  (Read 4026 times)

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Lazydocker

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LPG Tank Options
« on: 07 May 2011, 12:18:39 »

Another LPG conversion is on the cards in the near future, but on an Estate.

Having done a lot of research I have found that a 77L Full Toroidal, 4-hole tank (650diax270mm) will fit into the wheel well (with slight modification) if you build a false floor into the boot and raise it by about 75mm. Not a major problem, and can be done very tidily as can be seen in the pictures below (thanks to Cliffob :y). But, it's not been as straightforward as expected because the gas tight box fouled on the wheel well... He has cured this with some a fair bit of work :y


SDC12345 by lazydocker, on Flickr


SDC12341 by lazydocker, on Flickr


SDC12348 by lazydocker, on Flickr


SDC12350 by lazydocker, on Flickr

So I'm now trying to work out the best course of action... I really need to get the biggest tank possible into the car, and 77L is it. That's fractionally smaller in capacity that the "tried and tested" 80L cylinder (obviously ::)) so the expected range is somewhere in the region of 270 miles around town, 320ish on a (spirited) cruise. Obviously, with the 'van on the back that will drop to around half that ::)

Cliff has suggested that (if he were to order again) he would probably go for the 630mm dia tank, which is 72L. This should make the installation much more simple... The floor still needs raising, but it should drop into the wheel well with no problems whatsoever :y

 I know we're talking about less than a Gallon of LPG in real terms but am struggling to get past the thought that we could get a bigger tank in :-/ :-/

Any thoughts anyone? Particularly interested in H21's opinion on this subject ;) :y
« Last Edit: 07 May 2011, 12:50:10 by Lazydocker »
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tunnie

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Re: LPG Tank Options
« Reply #1 on: 07 May 2011, 12:31:55 »

image links are dud  :y

My question is does it really need to be 4 hole tank? Could you not get away with multivalve?
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Lazydocker

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Re: LPG Tank Options
« Reply #2 on: 07 May 2011, 12:36:55 »

Quote
image links are dud  :y

My question is does it really need to be 4 hole tank? Could you not get away with multivalve?

Was suspicious they wouldn't work... Bear with me and I'll upload to Flickr so I can link to them.

Can't really use a multivalve on a car with a full compliment of cylinders and horses ;) ;) Plus, multivalve would actually be even worse to try and get into the boot
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tunnie

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Re: LPG Tank Options
« Reply #3 on: 07 May 2011, 12:41:43 »

Quote
Quote
image links are dud  :y

My question is does it really need to be 4 hole tank? Could you not get away with multivalve?

Was suspicious they wouldn't work... Bear with me and I'll upload to Flickr so I can link to them.Can't really use a multivalve on a car with a full compliment of cylinders and horses ;) ;) Plus, multivalve would actually be even worse to try and get into the boot

Give dropbox a whirl, nice and easy  :y

I assumed multivalve would be a smaller unit like mine, not a large box length, so thought it would have been easier to fit  :-/
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Lazydocker

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Re: LPG Tank Options
« Reply #4 on: 07 May 2011, 12:45:46 »

Quote
Quote
Quote
image links are dud  :y

My question is does it really need to be 4 hole tank? Could you not get away with multivalve?

Was suspicious they wouldn't work... Bear with me and I'll upload to Flickr so I can link to them.Can't really use a multivalve on a car with a full compliment of cylinders and horses ;) ;) Plus, multivalve would actually be even worse to try and get into the boot

Give dropbox a whirl, nice and easy  :y

I assumed multivalve would be a smaller unit like mine, not a large box length, so thought it would have been easier to fit  :-/

Images weren't hosted by me, they were from an email from another member ;) ;) I'll upload them in a mo... They're on the way to Flickr as I type :y

Might try Dropbox in the future actually... May be easier, having seen it at work when I was at yours :y
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tunnie

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Re: LPG Tank Options
« Reply #5 on: 07 May 2011, 12:48:33 »

Quote
Quote
Quote
Quote
image links are dud  :y

My question is does it really need to be 4 hole tank? Could you not get away with multivalve?

Was suspicious they wouldn't work... Bear with me and I'll upload to Flickr so I can link to them.Can't really use a multivalve on a car with a full compliment of cylinders and horses ;) ;) Plus, multivalve would actually be even worse to try and get into the boot

Give dropbox a whirl, nice and easy  :y

I assumed multivalve would be a smaller unit like mine, not a large box length, so thought it would have been easier to fit  :-/

Images weren't hosted by me, they were from an email from another member ;) ;) I'll upload them in a mo... They're on the way to Flickr as I type :y

Might try Dropbox in the future actually... May be easier, having seen it at work when I was at yours :y

I find it very good, as you could have "borrowed" the images from Cliffo, saved them locally and bung them in dropbox folder.

iPhone App works well too  :y
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TheBoy

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Re: LPG Tank Options
« Reply #6 on: 07 May 2011, 13:10:03 »

I remain unconvinced that 4 hole is necessary, as long as you have a decent mutlivalve.  The MV6 is a mutlivalve, and (lag aside) suffers no issues - and the engines lives about 4.5k rpm (as Lazydocker knows why ::)).  Doesn't go lean either (occasional error in lpg ecu about injectors fully open).  Chrisgixer and Kevin Wood will confirm that, despite its 175k, it was every bit as equal to there cars at the time (Chris had a multivalve, Kevin has 4 hole).


I still, at absolute best, can only manage 290 from the Elite, that includes overfilling (tank needs another tweak), and being Miss Daisy through most of the tank.
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TheBoy

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Re: LPG Tank Options
« Reply #7 on: 07 May 2011, 13:11:56 »

Dropbox works well, if you can work within their limits, and can tolerate their software (I find it frustrating/naff, but it is dead easy to use :y).

Tunnie - maybe you should do another guide, using dropbox, for those members who struggle with picture hosting :y
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Lazydocker

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Re: LPG Tank Options
« Reply #8 on: 07 May 2011, 13:17:14 »

Quote
I remain unconvinced that 4 hole is necessary, as long as you have a decent mutlivalve.  The MV6 is a mutlivalve, and (lag aside) suffers no issues - and the engines lives about 4.5k rpm (as Lazydocker knows why ::)).  Doesn't go lean either (occasional error in lpg ecu about injectors fully open).  Chrisgixer and Kevin Wood will confirm that, despite its 175k, it was every bit as equal to there cars at the time (Chris had a multivalve, Kevin has 4 hole).


I still, at absolute best, can only manage 290 from the Elite, that includes overfilling (tank needs another tweak), and being Miss Daisy through most of the tank.

Trouble is that a full toroidal tank with a M/V will actually be harder to fit due to where the M/V is positioned... 4-Hole is most practical from a fitting point of view :y Biggest dilemma is whether to go that fraction smaller to make it a little easier to drop in. I suppose we're talking less than 30 miles, even on a cruise, but just can't decide :-/

Once we've had a try we'll know what's best when the Bonny Gold one appears ;) :y
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tunnie

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Re: LPG Tank Options
« Reply #9 on: 07 May 2011, 13:18:23 »

Quote
Tunnie - maybe you should do another guide, using dropbox, for those members who struggle with picture hosting :y

Sure, its about time i updated it. Something to do tonight before the Curry.  :D
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TheBoy

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Re: LPG Tank Options
« Reply #10 on: 07 May 2011, 13:38:27 »

I wanted greater range, so considered 100l...


...then decided that I've had an 80l for the past year that I tend to fill every 175 miles anyway, so stick with easy install
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Lazydocker

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Re: LPG Tank Options
« Reply #11 on: 07 May 2011, 13:43:25 »

Quote
I wanted greater range, so considered 100l...


...then decided that I've had an 80l for the past year that I tend to fill every 175 miles anyway, so stick with easy install

Must admit, I'm swaying towards the easier fitting option having looked at the pictures and the discussions I've had with cliffob. But, when towing the Pikey Box the extra capacity is useful.

That said, there's a "soft" version of the gas tight box available for multivalves, if the same were available for a 4-hole setup then the 77L tank will drop straight in ::) It was the gas tight box that caused the problems :-/
« Last Edit: 07 May 2011, 13:44:39 by Lazydocker »
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Jimbob

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Re: LPG Tank Options
« Reply #12 on: 07 May 2011, 13:56:56 »

Looks good, and the route I would want (With the smaller tank) should I ever go this route.

tigers_gonads

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Re: LPG Tank Options
« Reply #13 on: 07 May 2011, 13:59:55 »


I have ordered the 55 ltr 4 hole  donut tank for my estate.

I can't have a tank in the load area 24 / 7 because i will need to drop the seats sometimes for long loads.

Has anybody fitted / is it possible to fit 2nd tank tank in a estate ?

If it can be done, how would you go about it ?
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Dazzler

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Re: LPG Tank Options
« Reply #14 on: 07 May 2011, 14:12:46 »

The estate i went to see only had a 47ltr tank :o, and the floor was still raised by a couple of inchs.
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