I replaced the timing belt and the car starts right up , now the engine surges
What is your question?
the engine surges and backfires is it still out of time or not?
I spent a lot of time and never could get it just between the marks on both cams top dead center.
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sounds like valve timming is off on oneof the cams, marks will not alwas line up ck cam alginment pins on gears not broken or gears not on wrong or holes not ovaled out