Quote:
Originally Posted by 1984 t type
Is it possible to use a Gen 3 cable operated tb and intake on a Gen 4 engine ?
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This is kind of a tricky question. But speaking truck engines, then the answer is no. Gen IV's don't have cathederal port heads like the Gen III, so the intake won't match up. That said, the LS2 is concidered a Gen IV and it does have cathederal port heads.
Not to mention, the Gen IV uses a 58x reluctor, where as the older Gen III uses a 24x reluctor. The newer PCM won't work with the 24x, and the 58x PCM won't have IAC drivers in it to run the idle air control valve.
If this is your first swap, I would strongly urge you to get a complete set up, motor and trans so you don't run into unforseen problems trying ti mix match incompatable parts.
Just my $.02