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I'm seriously considering buying a unit for my 79, but before I plunk down the $$, I was curious what the benefits are to this conversion in terms of miles gained. I'm also hoping for smoother starting and running, of course. Since I'm on my way to a carb rebuild this winter, I figured I would try to increase my mileage any way I can find!
 

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I'm getting 47-50mpg with points.
 

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i ride fairly aggressively. That's solo, two-up, freeway, city, etc.
 

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wow, them's great mileages.  you must have good gas karma with you./forums/images/emoticons/wink.gif
 

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had points a long time ago... and then there is CRS.... but, it seems milage would be 45+ with new points for a couple of tanks then 40+ no matter how much I adjusted them.... now... almost always in the 45 range... no it also depends...the 1000 mostly sits and looks pretty, which is not good for milage, also (maybe I am getting old BUT) I think the gas was better 25+ years ago...

Exavid... twisty???? care to comment on the currant quality of gas compared to 25-30 years ago?????
 

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mag wrote:
I'm getting 47-50mpg with points.
Mag - you talking Imperial gallons (160 ounces) or US gallons (128 ounces)? Having grown up with family on both sides of the border, I can remember (attempts at) impressing my dad with my conservative driving skills by telling him I could get 24 mpgwith his '65 283 Impala hardtop just by heading north for a weekend (of course, he knew my ulterior motive was to chase girls). :cooldevil:
 

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I guess that's imperial gallons. 1 gallon=4.55 litres
 

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rcmatt007 wrote:
had points a long time ago... and then there is CRS.... but, it seems milage would be 45+ with new points for a couple of tanks then 40+ no matter how much I adjusted them.... now... almost always in the 45 range... no it also depends...the 1000 mostly sits and looks pretty, which is not good for milage, also (maybe I am getting old BUT) I think the gas was better 25+ years ago...

Exavid... twisty???? care to comment on the currant quality of gas compared to 25-30 years ago?????
Rodger, the gas wasn't better 25 years ago it was just different & the automobiles of that time were designed & tuned to run on that type..

One of the big differences in older gasoline was the use of lead for both valve seat protection & to add octane rating.. It also had a lower vapor point to allow it to work good in low compression carburetted engines..

New gasolines of today have better cleaning additives, a higher vapor point, a higher base octane without lead.. The down side is: the higher vapor point doesn't start very easily in older low compression engines, doesn't store very long without going sour, is hard on older engines with soft valve & soft valve seats that are worked hard. The higher vapor point is a problem for some of the weaker ignition system equipped older engines that are using the newer (non glazed electrode) porcelainspark plugs..

Even the old Wings were designed to use the low/no lead gasoline so should operate fine on the newer emission compliant fuels of today..

Probably the biggest reason modern gasoline gets such a bad reputation is it's poor storage ability.. It turns to gum quickly& the light ends evaporate off easily so modern gasoline usedin a seasonal environment like boats & motorcycles tend to cause problems like plugged carb jets & fouled spark plugs.

The good side of modern gasoline is: it burns very clean, doesn't leave those nasty lead deposits to coke up the backs of valves, doesn't form carbon that works it's way past the rings & pollutes the engine oil, doesn't leave lead deposits all over the side of the road..

Some of the modern gasoline contain up to 10% alcohol & that isn't the best to use in older engines as they were not designed to handle the water it tends to hold in suspension in the fuel, sometime it can effect the carb metering & cause flat spots or surging in the older low compression weak ignition vehicles, but won't really do any engine harm..

Twisty
 

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Really don't see much practical difference in using the current gasolines compared to thirty years ago. I do miss 80/87 Avgas though, sure loved the smell of that stuff!I'm sure the quality is much more even nowadays, used to avoid certain brands of gas in the past, one brand would ping and the next wouldn't even though they claimed the same octane.

In my car, blends with alcohol in the higher percentages lower mileage, at least that's what thecomputer says. You guys with the LTDs and SEIscould check that out for us, ARCO fuel has more alcohol around my neck of the woods than other brands. With your trip computers you could get a good handle onincreased alcohol'seffect on mileage.
 
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