Thread: Bought myself a classic

I average between 18.7 and 23.66L/100km in the rrc.

So lets just say 20L/100 as a rounded figure.
At 1.43/L for 98RON, that's $105.53 right now for my 72L regular fill.

A diesel already has better econ, but let's say 15L/100 as a hard figure example, and the current price at my servo of $1.23 for ultimate diesel.
For the same 72L fill that's $88.56

The diffference is, 480km per 72L @ 15L/100km for $88.56 versus 385km per 72L @ 18.7L/100km for $105.53

So, 95km further per tank, and $16.97 saving on a single tank 'on average'

Let's say it costs $10K do do a complete swap.
That means roughly that you'd need to fill up a vehicle at these prices 589.27 times to 'save'
Over the existing 'best case' scenario of 18.7 l/100km from the existing v8.

But it's not about ongoing costs in most cases.

The main reason people want to swap is for more power (chev example) or more range per tank (4bd1t as an example)

In this case, the range of almost 100km per tank is a far better margin. Not only that, you can't GET 98RON in many remote locations, meaning you simply cannot take that huge v8 anywhere remote without taking your own fuel, which increases weight, reduces fuel economy and subsequently reduces range further.

It's however not an argument that works only one-way.
The power from the petrol as opposed to extracting the same power from the diesel, will mean the diesel fuel consumption figures would likely be higher than the example I used. How high, I could not tell you.
The issue of course goes WAY further, and other drivetrain components need to be considered, tyre size, diff ratio transmission, torque output, acceleration.... Vehicle mass.....

So it's more likely that 'personal preference' has more to do with the conversion, than considering many of the other modifications which also need to be considered to make the whole package the most 'efficient'

Either way, you're probably not ever going to get your money back. I don't think anyone who undertakes these projects really believe they will..... Unless they plan to keep the vehicle forever, or have a fuel source that costs nothing.

Just a thought....

why would you run 98 in a low compression engine that dates back to the stone age

I bought my POS with the 350 already in it and already on gas. Probably cost prohibitive to do such a conversion with an alloy 350 these days unless you really want one.

ATM it costs a bit less to run than having a 300tdi or TD5. That's with gas at 47.3 cpl.

Mine is all cast iron (apart from the thermostat housing ).

Power is only a minor consideration with having one of these mooring blocks, the others include the cost of parts like starters, water pumps, the cost of a rebuild if necessary, the lack of stoopid rover idiosyncracies like oil pumps losing their prime, slipped liners, etc.

No electronics is a major plus. Call me old fashioned..........

cheers, DL