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kazjim
PostPosted: Tue May 03, 2005 9:06 pm 
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ok all, its happening again....

LPG.. I'm thinking about it ....

Saw a great tank - about 15" diameter that replaced the spare-wheel well on a Ute..... got me thinking again..

The barrier to LPG on a mini was the tank and the non-sealed rear-firewall....

LPG is 110+ Octane (RON) and although it has a lwoer calorific value, it certainly has the potential to make a shedload of power......

an IMPCO Gas Carb (Think Forklift) is adequate for about 140HP and is very happy in a turbo "Blow-through" application . . . most six-cylinder converters are also more than adequate as well as being cheap as at the wreckers ....

oh, the fuel is also very cheap....

. . . . . . .
J

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drmini in aust
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PostPosted: Tue May 03, 2005 9:09 pm 
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According to gas co's current ad in Open Road mag, LPG is 102 (RON). hardly worth it.. except it's cheaper once you've paid all the hardware off. 8)

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kazjim
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PostPosted: Tue May 03, 2005 9:12 pm 
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Bugger.. used to be 111 back when i was buying.... ('92?)

J

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Metalfab_101
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PostPosted: Tue May 03, 2005 9:14 pm 
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Would EFI work rather than using a carb?

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Morris 1100
PostPosted: Tue May 03, 2005 9:14 pm 
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kazjim wrote:
The barrier to LPG on a mini was the tank and the non-sealed rear-firewall....
?????

A lot of vans run a tank in the back without a firewall.
My work has a 2003 Toyota Hiace SBV with the tank behind the drivers seat.
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kazjim
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PostPosted: Tue May 03, 2005 9:17 pm 
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Dave, but thats up there....

here in the "nanny state" we have to have it behind several shields of spent-uranium .......

Kev, even at 102RON its still better than 90% of petrol fuels.........

J

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dansedgli
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PostPosted: Tue May 03, 2005 9:26 pm 
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I was thinkning about this too a while back.

How about instead of LPG use a straight propane tank from a forklift?

The only reason LPG is lower RON now is cos its become a mix between propane and butane(?) and the mixes arent consistant between servos anymore.

Straight propane is about 115-120 RON. The tanks are small too, I dont know if they are different to normal LPG tanks though. I dont see why they should be.
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Harley
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PostPosted: Tue May 03, 2005 10:05 pm 
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Can't you just run 98 octane with additive?
(Ignore cost, are there any benefits?)
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drmini in aust
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PostPosted: Tue May 03, 2005 10:54 pm 
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Harley wrote:
Can't you just run 98 octane with additive?
(Ignore cost, are there any benefits?)

That's what he and I are running now. Great stuff, BP & Mobil's 98, anyhow.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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FatMaserati
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PostPosted: Tue May 03, 2005 11:54 pm 
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I've always been told that LPG cost less at the pump, but costs more in engine wear...

Stick to a nice 98.

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Konzo
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PostPosted: Wed May 04, 2005 12:33 am 
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LPG is CRAP!!!
We have it in most of our work cars (cheap ass boss) and the have alot less power then the petrol cars :(
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kazjim
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PostPosted: Wed May 04, 2005 7:29 am 
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Lucas, i had a "little" holden V8 running on "that Crap" ....

660@flywheel from a 4.2 litre ...........

When tuned and built for gas, you can get a SHITLOAD more power ......

basically, you can run a LOT more ignition advance and much wilder cam profiles than Petrol.. due to the slower-burn speed of the Gas .....

GRA in Vic have a fantastic Gas-only carb that really makes things sparkle....

J

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bnicho
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PostPosted: Wed May 04, 2005 8:42 am 
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There is an LPG-only Mini in the Vic Mini Club. Watto did a feature on it for Mini Magic several years ago. Uses a gas-research carby and a tank that took up most of the boot. :shock:

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Harley
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PostPosted: Wed May 04, 2005 8:58 am 
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I remember that car, the first mini I ever went in on the road.
Gets around alright, estimated 90hp I think.
I think he's trying to sell it too.
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Mini Mad
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PostPosted: Wed May 04, 2005 9:08 am 
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James, i have an article of a supercharged LPG mini as well somewhere...i'll try and find it

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