I often listen to OTR (Old Time Radio) on my internet radio. The SIGNAL OIL COMPANY was a regular sponsor of many of these shows (eg The Whistler) so it isn't unusual for their commercials to still be part of the playback of these episodes (some from 75 years back). Anyways, half asleep, but I think I heard the spokesman for SIGNAL's PCMO recommend that the oil be changed every 1500 miles.
Wouldn't you love to see a VOA of their oil?
Wouldn't you love to see a VOA of their oil?
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