kaki Posted April 12, 2010 Share Posted April 12, 2010 Is it possible to put a 89-90 turbo loyale engine into an '87 RX coupe? Both are 5-speeds.What are the compatibility issues if any?Thanks. Link to comment Share on other sites More sharing options...
ruparts Posted April 12, 2010 Share Posted April 12, 2010 Is it possible to put a 89-90 turbo loyale engine into an '87 RX coupe? Both are 5-speeds.What are the compatibility issues if any?Thanks. I think that is a go, use all the wiring from your rx on the doner motor, probably should use the complete intake assembly, and any accessories, and the rx distributor just to be safe on compatability. do the rear main and the rear vent cover gasket so you don't have to go back in. don't forget the water hose under the turbo, its a real pain to do later. mount the turbo up on the motor, all the pipes hoses and all and install in car all assembled. might need to have the down pipe loose to aid in some jiggle room. Link to comment Share on other sites More sharing options...
eulogious Posted April 13, 2010 Share Posted April 13, 2010 Pretty sure they are the same car, just with a different name. I don't really know with an RS, but I think it's just a rebranded RX. Have fun! Link to comment Share on other sites More sharing options...
T'subaru Posted April 13, 2010 Share Posted April 13, 2010 Im not sure but wasnt there a 3 plug ecu in the mid or so 80's that became a 4 plug in '89?? Link to comment Share on other sites More sharing options...
ruparts Posted April 13, 2010 Share Posted April 13, 2010 Im not sure but wasnt there a 3 plug ecu in the mid or so 80's that became a 4 plug in '89?? it would not matter, thats if ALL the rx wiring to be kept in use with the new motor swap. Link to comment Share on other sites More sharing options...
Txakura Posted April 13, 2010 Share Posted April 13, 2010 RS? what? Turbo Loyale Wagon or a 3 dr RS coupe? Aww man don't kill a coupe... Link to comment Share on other sites More sharing options...
GeneralDisorder Posted April 13, 2010 Share Posted April 13, 2010 Use the RX manifold, wireing and distributor, and the Loyale long block. The engines are the same even if the wireing changed a bit - sometimes they changed connectors on stuff. Just to be safe I would strip the donor to the long block - gives you a chance to clean it up and overall it's less work that way. GD Link to comment Share on other sites More sharing options...
Sonicfrog Posted April 13, 2010 Share Posted April 13, 2010 What GD said. Use the manifold from the car that's getting the newer engine. That way you won't have to swap the wiring harness or ECU from the Loyale into the RX. Link to comment Share on other sites More sharing options...
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