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Many thanks for the your input. Gary
Gary
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If the motor is running the front pump on the trans is turning and circulating fluid.Its the same as if you were stopped at a light.Motor runs-transmission fluid is circulating.

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Group: Forum Members
Last Active: 11 Years Ago
Posts: 72,
Visits: 179
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OK, new rebuilt 1955 Mercury 292 w/mild cam, and rebuilt medium case FM tranny. My engine builder recommended Jo Gibbs racing oil w/ZDDP for break-in. The literature he gave me also recommended at initial start-up to immediately run engine at 2500 RPM for 20 minutes. But what about the transmission during this time. Is fluid circulating in the tranny in Park?? I ran engine about 4 minutes and thought of the tranny implications and shut her down. Any help will be greatly appreciated. 55 Sunliner
Gary
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