Thread: 73 SD-455 TA to be made road worthy again after sitting since 1979
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Old 12-31-2024, 10:35 AM
sdbob sdbob is offline
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Join Date: Aug 2003
Location: Latrobe,Pa. USA
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My stk low mileage new SD TA in 74 ran 14.18 at 98 mph. Non air,3.42 gears,heavy car. Low gear was difficult finding traction. I've heard the SD heads tested were better flowing than production heads. 2nd 3rd gear shift from the m40 was scary hard!!

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