4a fe head on 4age block

[fleetwood dicki]

i was wondering how interchangable heads are on these corrolas. i just saw the specs between the 4age and 4afe and noticed the bore and stroke are the same. the horse power of the north american 4age is much higher (130bhp) vs the 4afe (105bhp). so anyways i want one now.
is this head a direct bolt on? what considerations to i have to make?,ie injectors,cam pulley, exhaust and intake manifold, ect...
also wheres the horse power coming from, i assume the head is self...

[fredk]

search here

[fleetwood dicki]

"here" didnt work

[94_Rolla_Guy]

the head is a direct bolt on but you will end up with the "ugly duckling engine" toyota built the 4A-GE engine for a reason it is much stronger for the increased redline not to mention the GE pistons are different from the FE pistons i believe the GE's are flat faced with fly cuts for the valves while the FE pistons are dished. You will also run into many other issues with ECU's and what not. The better solution to this problem would be to do a complete engine, ecu swap to a 4A-GE small port which is around 140 hp the extra power comes from 10.3 compression with the GE VS. 9.5 with the FE also the GE breathes better which raises its power band higher in the RPM range which gives it more power