Technical Tips > Pre 84
All gassed up
Brutus:
--- Quote ---Originally posted by rebel
hmm .. I think that unless you do a heck of a lotta kms, I'm not sure on the value proposition of a conversion to LPG.
If we assume a tank a week on average, using Shell Optimax, we'd be spending $50. Factoring in WR's $2100 for install that's 42 weeks worth of fuel but let's say a year with some off road time.
Having done the conversion and costing $2100 whlist still using roughly the same amount of fuel would be $2730 for the first year and $630 onwards.
So what we're saying is that without conversion it'd be a consistent $2100 per year whereas converted it's cheaper after the first year.
Yeah I can see that OK ....
--- End quote ---
Aside from whatever monetary gain may be garnered from doing the conversion the main criterea that would benefit us here is the onset of emmissions testing for registration. LPG = virtually no damning emmissions.
Scott81:
Here's another question. How does this conversion affect performance mods? Could you convert a radical 383 motor and still have gobs of power or is this a conversion for more basic motors only?
Where I live we have no emissions testing so it's no problems for me, but we do have our fair share of tree hugging freaks that would outlaw all motor vehicles given the chance. Cutting emissions is a good thing, but then there are those that really are kind of "out there" so to speak.
Brutus:
--- Quote ---Originally posted by Scott81
Here's another question. How does this conversion affect performance mods? Could you convert a radical 383 motor and still have gobs of power or is this a conversion for more basic motors only?
--- End quote ---
Scott...This company built a very healthy 460 BB Ford as their initial demo car and I think it was putting out somewhere in the region of 700hp naturally aspirated. The other thing is that dedicated LPG motors can handle very high compression ratios....17:1 in one case that I know of. The calorific value of LPG is much higher than that of petrol which certainly helps in the application of this medium as a fuel for 'hot' motors. Engines set up for LPG do best with special "gas" cams and single plane manifolds( in the case of V8s) and as seen it can be applied to many other variants such as blowers and fuel injection. So when a motor is built specifially to run on LPG alone the power output can be can be just as good as one running normal petrol......sorry.....gas.
77CVT:
We have a black/silver '77 on full gas and it goes pretty hard - it kept up with my '77 in the slalom events!
It may be a bit of a pig to start in cold weather though?
George80ONE:
Hey Brutus,
If it's yellow and looks that good, I want one in my 81.
George.
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