I want to stuff an ea81 pushrod motor into my 89 gl wagon that has an ea82, what would be the route to go? I also wanna run the spfi from the ea82 on the ea81. How much modding will i have to do to get the older motor to work in the newer car? thanx in advance

I am surprised someone else hasn't answered already but here is what I can tell you. If it is an automatic car it is a bolt in. Swap the SPFI over to the EA81, again a bolt on. Rig up some hoses for the radiator or swap to the EA81 radiator and the rest is just small stuff. I think even the exhaust is bolt on. For a stick it might be a little more involved but if I remember correctly it is just a matter of mixing and matching parts but I don't use a stick.

SPFI is all Bolt on with 2 notable exceptions.

 

1) Disty gear from ea81 needs swapped to EA82 disty.  And EA82 disty needs one ear cut off and the bolt hole opend up to fit into the EA81 engine.

 

2) IAC body needs flipped over to clear disty.  "U" bend hose needed to adapt after flip.

 

Read GD's writeup, if it still exists.