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[TheBoy]

UK V6 owners reckon its 10p per mile cheaper to run on LPG, so a £580 kit (from memory) breaks even in just under 6,000 miles...

[Doug Chase]

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

Indeed it has.  At the peak of it a couple years ago gas was over $4/gallon.  High for us.  Still cheap for the rest of the world.

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

Excellent point.  Fuel here is available in 87, 89, and 92 octane, specified with the (R+M)/2.  In other states 93 is available.  And 100 octane unleaded race fuel is available for around $8/gallon.

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

I didn't know that the Catera 3.0 has a lower compression ratio than the Omega.  Perhaps that's why the Catera is rated at 200hp and the Omega is something like 206hp?

What's the difference?  Head gasket?  Different pistons?

[2woody]

its a tax thing really.

in the UK, petrol is subject to around 370% tax

or to put it another way, over 75% of what is paid at the pump is tax.

[henryd]

its a tax thing really.

in the UK, petrol is subject to around 370% tax

or to put it another way, over 75% of what is paid at the pump is tax.

yep,lots of tax then vat on the the tax

[aaronjb]

its a tax thing really.

in the UK, petrol is subject to around 370% tax

or to put it another way, over 75% of what is paid at the pump is tax.

Yep, we don't half get the sh*ft on that! Then again, our roads seem better (at least than the roads in Seattle - pot holes the size of craters, concrete slab road sections that have lifted 3" and had a bit of tarmac added so it's a violent ramp instead of a kerb etc).

Having said that.. with the difference in petrol prices I could afford a lot of sets of alloy wheels & suspension 

[sotmh]

All the factors of LPG  being economical and environmentally beneficial I agree with.  But I was discussing this recently and was told the performance (spped/accelleration) drops. 

Therefore, choice will be dependent on what matters most and where you stand.

[Boditza]

All the factors of LPG  being economical and environmentally beneficial I agree with.  But I was discussing this recently and was told the performance (spped/accelleration) drops. 

Therefore, choice will be dependent on what matters most and where you stand.

you can switch from lpg to gas whenver you want with just a push of a button so you can get acceleration and speed but when cruising on the highway switch to lpg and you won't feel it. besides if you have a 3,2 from 160kw lets say you end up on lpg with "just" 140kw. do you think thats low for an every day use?

[Kevin Wood]

If you can notice the performance difference, it's a clue that your LPG system isn't behaving.

Kevin

[Psychoca]

its a tax thing really.

in the UK, petrol is subject to around 370% tax

or to put it another way, over 75% of what is paid at the pump is tax.

Yep, we don't half get the sh*ft on that! Then again, our roads seem better (at least than the roads in Seattle - pot holes the size of craters, concrete slab road sections that have lifted 3" and had a bit of tarmac added so it's a violent ramp instead of a kerb etc).

Having said that.. with the difference in petrol prices I could afford a lot of sets of alloy wheels & suspension 

Now we know where the UK road repair budget is spent...  The majority of the roads around here are terrible...   

[aaronjb]

its a tax thing really.

in the UK, petrol is subject to around 370% tax

or to put it another way, over 75% of what is paid at the pump is tax.

Yep, we don't half get the sh*ft on that! Then again, our roads seem better (at least than the roads in Seattle - pot holes the size of craters, concrete slab road sections that have lifted 3" and had a bit of tarmac added so it's a violent ramp instead of a kerb etc).

Having said that.. with the difference in petrol prices I could afford a lot of sets of alloy wheels & suspension 

Now we know where the UK road repair budget is spent...  The majority of the roads around here are terrible...   

Believe me they're not great around here either.. but lightyears ahead of Seattle! I've really rarely seen potholes that size over here, where over there they are all over the residential roads. Imagine this, but worse, all over the place: