3sfe to 3sge ... kinda, swap heads . Options

[crismillencolin]

Hello you clever Gen6 people .

I need some help/advise... again .
We have a topic going on toyotaownersclub.com about swapping the head from a 3sfe to a 3sge . Has anyone on here done this or heard of it ? My 3sfe is about 130-140bhp but the 3sge is 170-180bhp . Apparantly the main difference is the head and ecu . If i can get them will it work ? will the 3sfe put out the 3sge perfromance ?

TOC - Topic

Does this make sense to you ? - sorry if this topic has been discussed before , i always forget to search .

ANY help will be appreciated

'Thanks Chris

This post has been edited by crismillencolin: Mar 27, 2006 - 8:41 AM

[crismillencolin]

3s-fe is the same bore and stroke as the 3s-ge. The block is the same, I'm pretty sure the crank and rods are the same. But the 3s-ge pistons are pocketed for the valves. Now, the 3s-fe head has it's valves at 60 degrees, the 3s-ge are at 45 degrees IIRC. Also, the squish area, and CR will be different, so I am totally convinced that the pistons will need to be replaced as well.

And even if you didn't have to swap the pistons - it won't be a couple of hundred quid to swap the c/head over! More like £1000+ (not even including labour). Parts you will need to swap:

complete cylinder head assembly,
cambelt, possibly pulleys and tensioner
Inlet and exhaust manifolds and pipework
Engine wiring harness
ECU
Fuel rail (and probably most of the rest of the fuel system)
ACIS VSV, vac tank, piping

These are just the things I can think of off the top of my head. A complete engine transplant would be cheaper and less work than rebuilding your's with a different c/head


-oh oh , maybe not then - A TOC member Mike B , just told me this .
Ah well nice thought eh