Thread: '72 4.5 engine computer interchange?
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Old 08-31-2005, 08:59 PM
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cth350 cth350 is offline
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All the 4.5 boxes interchange. Don't replace a 3.5 box with a 4.5 or vice versa. Also, the 2.5 & 2.8 motors have different boxes. The circuitry is roughly the same across the board, but things won't work right.

-CTH
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