Steve, thanks for that Reply very good info. I see your point. I have heard people running the Diesel grade oils in there old gas tractors instead of the gas 10-30s or 30w etc. It had me thinking as ive heard of Oil companies now cut back on the zddp zinc additives do to new engines etc. And then run into few guys at the Tractor show saying they are using the "Surf City oils Sae 30 Weight brand or the 15-40 delo rated oils for the zinc in it. Theres a car rod shop down road from me that sell the Surf city stuff, well they order it and use in there hot rods and vintage Fords chevy on and on but i had talk to them as well said they like it alot especially rebuild engine or non..My question is in todays oil is it ok to use them say Pennzoil 10-30 or a Sae 30 in a regular brand then the Surf City or others? Would man have better affect overtime with oil that has the old original Zinc rating in it like back in the day ?Or is the store brand oils about the say layout.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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