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It sounds like the timing marks are off. Below are the Ford shop manual directions for replacing the timing belt.
It is for the 1992 2.3L, but the engine is still the same. Also make sure your distributor is in time also.
How did the engine run before you replaced the timing belt?
All the 2.3L use the same timing mark. The ones with the distributors and the ones without were the same.
Make sure the keyway on the camshaft pulley is straight up vertical and the distributor rotor is on cylinder #1 when you install the timing belt.
I cannot locate anything on the earlier engine timing marks for the cam gear. The Ford online manuals only go back to 1992. And it is only showing one pointer.
How many miles are on this rebuilt engine before the belt broke?
The belt should last at least 60,000.