Less engine wear only applys to the bottom end running in oil. The valve guides on propane engines wear a lot faster due to the dryness of propane. So no use trying to say no. Seen quite a few when I was working in GM garage in the 70s. The stems would be just flopping around they were worn so bad on propane conversions. Gas engines were never worn like that. Same with those natural gas stationary engines on oil pumps. The valves done hold up. Same deal fuel is too dry to do any lubing.
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Today's Featured Article - Oliver 550 Purchaser Checklist - by Greg Sheppard. Pound for pound the 550 is better than anything I've seen. It has great power for its size and can really hunker down and lug. Classified as a 3-bottom plow depending on soil conditions. I personally don't think it can be beat for a utility tractor in the 40 HP range. They are extremely thrifty on fuel, at least my DSL is. Most drive train parts are fairly easy to get. Sheet metal is probably the hardest thing to
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