Thread: What oil should I use?
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06-05-2023 12:56 PM #1
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- Car Year, Make, Model: '33 HiBoy Coupe, '32 HiBoy Roadster
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In the old days your 10W30 was loaded with ZDDP. You still need the high zinc (ZDDP) content for the high contact loading of the flat tappets on the cam face. Mobile 1 Racing Oil (Synthetic), Lucas SAE Racing Oil (Synthetic or Conventional), or Shell Rotella T Diesel Oil (Conventional) all have higher zinc in varying amounts, where the regular synthetics don't necessarily.Roger
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Been getting the truck back together. Painted the wheels and got the tires mounted. Went with 235 55 17 all around. Too cheap.to chrome so I painted the bumper and hood emblem with some silver I had...
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