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[Doug Chase]

I've seen a bunch of talk on here about LPG conversions and it has made me curious, as this is virtually unheard of in the states. 

What is driving all these conversions?  Is it for performance reasons because of the higher octane?  Is it economically advantageous, either with taxes or fuel cost?

Just curious.

Doug

[Boditza]

in my country regular gas is 1,2 euros and LPG is 60 eurocents. if a car has an average of 10liters per 100km with lpg will have 11 liters per 100km. so to do 100km on gas you pay 12 euros and on lpg 6.60 euros. but there is also the price of the lpg kit...

[albitz]

Economic reasons. Petrol is approx.£1.20 per litre. LPG is approx. £0.65 per litre.
Not sure on exchange rates at the moment, nor how many litres per U.S. gallon, but if you convert the figures I would imagine you would find the price of petrol quite shocking.

[PhilRich]

I've seen a bunch of talk on here about LPG conversions and it has made me curious, as this is virtually unheard of in the states. 

What is driving all these conversions?  Is it for performance reasons because of the higher octane?  Is it economically advantageous, either with taxes or fuel cost?

Just curious.

Doug

I am one of the 'bunch' here doug, and there is only one main reason...the cost of petrol here!
We pay the equivalent of $8.50 per gallon!
The other 'plus' is that lpg burns cleaner & is ultimately better for the engine & the air quality 

[Doug Chase]

in my country regular gas is 1,2 euros and LPG is 60 eurocents. if a car has an average of 10liters per 100km with lpg will have 11 liters per 100km. so to do 100km on gas you pay 12 euros and on lpg 6.60 euros. but there is also the price of the lpg kit...

Wow, that's quite a substantial cost difference!  Since you save 5.4 euros per 100km, you'd save 540 in 10000km and it seems like it shouldn't cost more than that to retrofit.  If so, that seems like a pretty quick breakeven - basically two oil change intervals and then you're money ahead.

Over here regular (87 octane) gasoline is about $3.17/gallon and propane is about $2.20/gallon so the payback would be longer.  Plus, although propane is readily available for barbecue grills and heating homes, there's not much infrastructure built for fueling cars.

[Doug Chase]

The other 'plus' is that lpg burns cleaner & is ultimately better for the engine & the air quality 

That's cool.  It's good when things are a benefit all around.

[mathewst]

regular (87 octane)

:-? Don't you have proper gas in the us?
I don't even recall regular existed as a fuel

[Boditza]

wow... our euro engines would blow up with 87 grqade fuel ).. i remember i used some 92 fuel in a renault 21 and with ignition off it would keep autoignite ). had to turn it off in first gear with foot on brake

[Kevin Wood]

regular (87 octane)

:-? Don't you have proper gas in the us?
I don't even recall regular existed as a fuel

Beware  there are several ways of rating octane. UK/EU fuel is sold bearing the "research octane number" (RON). US fuel is sold bearing the average of the RON and "motor octane number" (MON).

So it's not as bad as it looks.

87 octane (US) is equivalent to around 92 octane (EU).

Our "Regular" unleaded (95 RON) would be about 91 octane in the US whereas "Super Unleaded" (98) would be 94.

Kevin

[Andy B]

....
Over here regular (87 octane) gasoline is about $3.17/gallon and  ......

It's gone up some in 5 years then, 'gas' had recently gone over $2/US gallon when we were over there.

[Boditza]

regular (87 octane)

:-? Don't you have proper gas in the us?
I don't even recall regular existed as a fuel

Beware  there are several ways of rating octane. UK/EU fuel is sold bearing the "research octane number" (RON). US fuel is sold bearing the average of the RON and "motor octane number" (MON).

So it's not as bad as it looks.

87 octane (US) is equivalent to around 92 octane (EU).

Our "Regular" unleaded (95 RON) would be about 91 octane in the US whereas "Super Unleaded" (98) would be 94.

Kevin

92 is still low.. even in eu

[tunnie]

Cost! We pay for the litre here in the UK what you pay for the gallon. LPG conversions reduce your fuel bill by about 30/40%

[albitz]

I was in New Hampshire in August 2001 and iirc petrol was around $1.25 per U.S. gallon.

[Marks DTM Calib]

regular (87 octane)

:-? Don't you have proper gas in the us?
I don't even recall regular existed as a fuel

Beware  there are several ways of rating octane. UK/EU fuel is sold bearing the "research octane number" (RON). US fuel is sold bearing the average of the RON and "motor octane number" (MON).

So it's not as bad as it looks.

87 octane (US) is equivalent to around 92 octane (EU).

Our "Regular" unleaded (95 RON) would be about 91 octane in the US whereas "Super Unleaded" (98) would be 94.

Kevin

92 is still low.. even in eu

And hence why the V6 in the Caterra has a lower compression ratio

[Boditza]

regular (87 octane)

:-? Don't you have proper gas in the us?
I don't even recall regular existed as a fuel

Beware  there are several ways of rating octane. UK/EU fuel is sold bearing the "research octane number" (RON). US fuel is sold bearing the average of the RON and "motor octane number" (MON).

So it's not as bad as it looks.

87 octane (US) is equivalent to around 92 octane (EU).

Our "Regular" unleaded (95 RON) would be about 91 octane in the US whereas "Super Unleaded" (98) would be 94.

Kevin

92 is still low.. even in eu

And hence why the V6 in the Caterra has a lower compression ratio

so lower compresion  equals  no autoignite right?? learned something good today