View Full Version : Mr2 5s into fith gen is it possible ?

05-27-2013, 09:20 PM
I just blew the 5s on my fifth gen gt4 Build. I want to do a 3s drop but im low on funds at the moment . How ever a buddy of mine is willing to donate his old MR2 5s . Now my question is will the second gen 5s fit the fifth gen . As in a direct drop hypothetically it should right since its part of the Toyota s family . is it just the alternator bracket that needs to be switched and fuel rail or dose it get harder ?

The Captain
05-27-2013, 09:47 PM
Yes, it'll drop in. You'll have to move a few things over. Does the old/new motor have a knock sensor?

05-27-2013, 09:51 PM
im not sure i have the stock 91 GTS 5s and the mr2 is also a 91 5s

05-27-2013, 09:53 PM
just as long as i do not have to modify anything having to do with the mounts like you have to with the camerys 5s . its just a pain in the ass to find a good fith gen 5s

05-28-2013, 11:13 AM
I swapped a 93 Camry 5s into my 1990 Celica GT-S and the biggest thing I had to change was the upper timing belt cover. I did swap over the intake and exhaust manifolds to use the ones from the Celica and I may have swapped a couple of sensors so the plugs would match the wiring harness. I'm sure the MR2 engine won't be any more difficult than that.

05-30-2013, 03:13 AM
Any 5S should work fine. Use it as a long block and just swap all your original stuff over. ie Intake, exhaust, brackets, mounts etc. Just swap it all over. Shouldn't take you more than 2 hours to do it all.