whats the main difference. thought this deserved its own thread. can the newer ones be transplanted in place of an old one? does the tranny still bolt up?

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there is minor differences , but the motors will swap out fairly easy


the only big difference is the knock sensor hole in the block , to use the 99-02 in a 96-98 you gotta drill and tap the hole bigger , and heli coil for the other direction

Tranny bolts up fine, main difference externally are the injectors and the knock sensor, along with the EGR. I don't know if you can convert a non-egr LD9 to an EGR LD9 though, but you could do an EGR delete or swap in the 2k+ wiring (which you wouldn't have to change the injectors or knock sensor for).





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Shifted wrote:Tranny bolts up fine, main difference externally are the injectors and the knock sensor, along with the EGR. I don't know if you can convert a non-egr LD9 to an EGR LD9 though, but you could do an EGR delete or swap in the 2k+ wiring (which you wouldn't have to change the injectors or knock sensor for).

yup, non-egr can be converted to egr just by adding the older stuff to the engine, the egr passage is still in the head for the 99-02's


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Also, in '96 the oil pan has an oil level sensor but the '98 motor i swapped in didn't.

lil bit of a jack but it's still related.
do i hav to remove the engine to tap that knock sensor? that would really suck cause right after i boost my car im going to take care of that damn egr with a 99 swap or anything else that i can find that really works (which seems like nothing)