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Old 02-23-2014, 10:19 AM
rscurtis rscurtis is offline
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Join Date: Oct 2007
Location: St. Thomas PA
Posts: 957
Rscurtis - Does your equipment manufacturer honor the warranty with Amsoil at 100:1?

Except for the 4-mix, most of my stuff is old, and I am my own warranty station. Many of these engines, such as the D600 Lawn Boy from 1970, were originally specced for 16:1. It must be sufficient, as the spark plug threads are still wet and the rings are damp with oil when checked through the exhaust.

Having said that, I wouldn't recommend these ratios on older 2-strokes that still used plain bearings.

When I was a Stihl dealer, I recall our sales rep. at the time saying that they had tested some equipment with their oil at 250:1 with no ill effects.
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'83 300D, 126K miles.
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