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Author Topic: LPG Single hole or Four hole?  (Read 4331 times)

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davethediver

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LPG Single hole or Four hole?
« on: 23 November 2010, 00:39:23 »
As per the title i am going to be converting the car to LPG in the new year and am buying the kit/parts over the next month and a half.

I need to know what components are required tank and kit etc (have read the guides just asking for a bit more info please :)

Tank will be in the boot(saloon) whats the largest i can fit?

Is a four hole better than a single hole?

What comes in a normal LPG kit and where to buy from, reply via PM if links etc aren't allowed :y

TIA for any help given :y

EDIT ~ Any ideas where to obtain a spare inlet manifold so i can have it drilled before i start may have to do the instalation over a couple of weekends :)
« Last Edit: 23 November 2010, 00:41:48 by davethediver »
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feeutfo

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Re: LPG Single hole or Four hole?
« Reply #1 on: 23 November 2010, 01:06:28 »
Guessing a single hole will be ok for a four pot, 80 litre seems to work with non self levelling suspension, any bigger the springs may need assistance.

Upright donut tanks fitted in the spare wheel well seem very hard to source in 4 hole form for some reason.  :-/

But there are more experienced than me on here, I'm sure they'll be along.
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Lazydocker

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Re: LPG Single hole or Four hole?
« Reply #2 on: 23 November 2010, 08:11:59 »
Dave, I'll give a more detailed response later when not on my phone but...

Single hole tank will be perfectly adequate for a 2.2. You can get a 400mm diameter, 100L tank in but it's a squeeze and heavy... A 80L will be sufficient and should give 300+ miles between fills.

I think there's a 2.2 manifold floating about on the forum somewhere for that purpose.
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tunnie

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Re: LPG Single hole or Four hole?
« Reply #3 on: 23 November 2010, 13:58:57 »
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Dave, I'll give a more detailed response later when not on my phone but...

Single hole tank will be perfectly adequate for a 2.2. You can get a 400mm diameter, 100L tank in but it's a squeeze and heavy... A 80L will be sufficient and should give 300+ miles between fills.

I think there's a 2.2 manifold floating about on the forum somewhere for that purpose.

There is, i have it in my garage. The idea is you covert that one to be LPG, yours becomes spare when you do the fitting and goes to the next person who wants to convert a 2.2, drop me PM if you want this  :y

I've got a 90L torpedo tank in my saloon, its rotated so that it over-fills ever so slightly, but I usually fill up at Asda at High Wycombe as its just 58p a litre, so by the time I either get to my parents or my flat, i've used some, I can get about 74L in from empty, this gets me 350-400 miles.

Single hole is fine, you don't need the bigger flow unlike the V6. Also very few pumps take advantage of a 4 hole pressure, takes about twice as long to fill up on LPG than petrol i've found, much to queuing petrol drivers annoyance!  ;D
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Kevin Wood

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Re: LPG Single hole or Four hole?
« Reply #4 on: 23 November 2010, 14:19:42 »
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Also very few pumps take advantage of a 4 hole pressure, takes about twice as long to fill up on LPG than petrol i've found, much to queuing petrol drivers annoyance!

Oh, you soon learn which pumps are any good with a 4 hole tank.  ;) It does make a big difference with the right pump.

A multivalve will be fine for a desmond, though, as said. :y

Some example tank sizes here:

http://www.tinleytech.co.uk/sizes.html

The 892x360 80L tanks are an easy fit, with enough room above them for long items to be carried by folding down the back seats.

400x847 90L is also Ok, but you lose the clearance above the tank.

I have seen 100L tanks fitted but I would think this starts to get a little more tricky.

Kevin
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tunnie

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Re: LPG Single hole or Four hole?
« Reply #5 on: 23 November 2010, 14:28:52 »
tinleytech are quite good, they charged me for an 80L tank but gave me a 90L one  :)

If you do get pipework from them, get polyflex avoid copper  :y
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PhilRich

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Re: LPG Single hole or Four hole?
« Reply #6 on: 23 November 2010, 14:34:59 »
Mine is a 65 litre tank giving a range of approx. 350 with mixed driving & plenty of room to get long stuff (steps/ladder) through to the front. Also note my multivalve airtight box facing inboard, as I carry a wheelchair regularly & no chance of damage that way, also it is easier to access from behind the seat rather than reaching into the boot rear  :y


http://s863.photobucket.com/albums/ab197/philrich1064/LPG%20Installation%20Pics/?action=view&current=LPGInstallation37.jpg

http://i863.photobucket.com/albums/ab197/philrich1064/LPG%20Installation%20Pics/LPGInstallation37.jpg

http://i863.photobucket.com/albums/ab197/philrich1064/LPG%20Installation%20Pics/LPGInstallation32.jpg
« Last Edit: 23 November 2010, 14:44:42 by philrich1064 »
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TheBoy

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Re: LPG Single hole or Four hole?
« Reply #7 on: 23 November 2010, 18:05:57 »
I use a (admittedly higher flow) multivalve in my 3.0l, so you will have no issues with a single hole tank in a 2.2 :y
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Lazydocker

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Re: LPG Single hole or Four hole?
« Reply #8 on: 23 November 2010, 20:19:45 »
Personally, if I were to convert again I'd probably go for a 80L single hole tank for the best compromise ;)
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TheBoy

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Re: LPG Single hole or Four hole?
« Reply #9 on: 23 November 2010, 20:30:40 »
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Personally, if I were to convert again I'd probably go for a 80L single hole tank for the best compromise ;)
Hmmm, I'm contemplating my next one being 4 hole  :-/
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Lazydocker

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Re: LPG Single hole or Four hole?
« Reply #10 on: 23 November 2010, 20:38:22 »
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Personally, if I were to convert again I'd probably go for a 80L single hole tank for the best compromise ;)
Hmmm, I'm contemplating my next one being 4 hole  :-/

Probably advisable as it's a 3.2, although Chris' pressure wasn't dropping off at full chat so the high flow multivalve should be plenty man enough :-/
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Re: LPG Single hole or Four hole?
« Reply #11 on: 23 November 2010, 20:44:14 »
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Personally, if I were to convert again I'd probably go for a 80L single hole tank for the best compromise ;)
Hmmm, I'm contemplating my next one being 4 hole  :-/

Probably advisable as it's a 3.2, although Chris' pressure wasn't dropping off at full chat so the high flow multivalve should be plenty man enough :-/
Though he seems to suffer lag worse than the rest of us, unless he's a whinging sod ;D
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Lazydocker

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Re: LPG Single hole or Four hole?
« Reply #12 on: 23 November 2010, 20:52:07 »
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Personally, if I were to convert again I'd probably go for a 80L single hole tank for the best compromise ;)
Hmmm, I'm contemplating my next one being 4 hole  :-/

Probably advisable as it's a 3.2, although Chris' pressure wasn't dropping off at full chat so the high flow multivalve should be plenty man enough :-/
Though he seems to suffer lag worse than the rest of us, unless he's a whinging sod ;D

Not when I was in the car mapping it in April... It was even less noticeable than mine, which is now getting slightly worse ;)
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Kevin Wood

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Re: LPG Single hole or Four hole?
« Reply #13 on: 23 November 2010, 20:54:00 »
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Quote
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Personally, if I were to convert again I'd probably go for a 80L single hole tank for the best compromise ;)
Hmmm, I'm contemplating my next one being 4 hole  :-/

Probably advisable as it's a 3.2, although Chris' pressure wasn't dropping off at full chat so the high flow multivalve should be plenty man enough :-/
Though he seems to suffer lag worse than the rest of us, unless he's a whinging sod ;D

Well, erm.. :-X

Not convinced the lag is related to anything as far back in the system as the tank valve. I think the gas ECU gets confused by something the engine ECU does and loses sync for a couple of engine cycles. Then again, mine isn't too bad. Occasionally it gives you a jolt just to remind you it's still there. ::)

Kevin
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Re: LPG Single hole or Four hole?
« Reply #14 on: 23 November 2010, 20:55:14 »
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Quote
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Quote
Personally, if I were to convert again I'd probably go for a 80L single hole tank for the best compromise ;)
Hmmm, I'm contemplating my next one being 4 hole  :-/

Probably advisable as it's a 3.2, although Chris' pressure wasn't dropping off at full chat so the high flow multivalve should be plenty man enough :-/
Though he seems to suffer lag worse than the rest of us, unless he's a whinging sod ;D

Not when I was in the car mapping it in April... It was even less noticeable than mine, which is now getting slightly worse ;)
Mine certainly isn't too bad either, though worse when tank is near empty...
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