Rav4 3sfe to 5sfe engine swap Options

[ricochet1490]

So, I bought my first Rav4 about a month or 2 ago. I've been in the celica world for a long time and I wanted a winter beater. As it turns out, the 3s decided that it was going to start Rod knocking like a beast. Needless to say, car needed work.

I had an old 5s just sitting on a pallet in the garage collecting dust. it came from a 94 celica, and it ran when it was pulled.

Now that I've got everything out of the Rav, and from what i'm told, the 5s block will need ground on the back to make space for the transfer case, but otherwise it should be pretty straight forward I think.

I haven't had time to research everything... but to be honest there isn't much out there on this particular swap because there aren't that many gains to be had. For me the gains are purely $$$.

if you guys see anything glaring, PM me and let me know if you would....

The Plan
1) swap wiring harness from 3sfe to 5sfe
2) "depending on how the ecu works out", swap over exhaust manifold because of OBD1/OBD2 differences in the model years
3) hook tranny and T-case to 5sfe ( grind block as needed, additionally brace as needed for missing mounting points)
4) repair subframe rust, mount engine and tranny to subframe - reinstall in car
5)hook everything back up including 3sfe ecu to run engine. ** Pray ecu can deal with extra stroke/air and change fuel delivery to accomodate**
6) ** pray that i don't need to swap injectors to do this to get engine to running** - Does anyone know if there is much in the way of difference between the injectors? basically I'm looking to run the 5sfe like a stroked 3sfe. Should work I'd think.

[mkernz22]

Is the crank sensor on the block or the oil pump assembly? Cause if it's the oil pump assembly, you could purchase a 96+ Celica one for the 5sfe or swap the 3sfe one over.

This post has been edited by mkernz22: Jan 13, 2016 - 9:18 PM

[ricochet1490]

Is the crank sensor on the block or the oil pump assembly? Cause if it's the oil pump assembly, you could purchase a 96+ Celica one for the 5sfe or swap the 3sfe one over.

I think it goes through the block and into the case.... not a show stopper, I'm sure its just a hole with an o-ring or something simple.....

What I don't know is what the trigger mechanism is for it. It appears that the 96+ 5sfe's have a similar sensor. local guy selling a 5s froma 97-01 camry sent me a picture and it's there on that block.... but he wants 800 for the used engine as is. The point of doing this was to save myself the $$ and use this motor I ALREADY had. so idk

if anyone has any other ideas about how to send that crank signal that might be quick and dirty I'm all ears. Otherwise im dropping the oil pan to see what this sensor and trigger for it looks like. if it's pressed on the crankshaft I'm going to be pissed because I REALLY don't want to tear this motor down for that.