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The 22R is heavy, the 4AC (150lbs) is lighter by almost 100lbs. The 3KC and 4AC weigh about the same.
The 2TC/3TC is about 200lbs.

The GTS Corollas are hard to find.
If you get any 4A corolla trans, an MR2 4A-GE will bolt up.

New Tacoma engine 2.7 liter DOHC 16 valve
22R 2.4 liter OHC 8 valve
3TC 1.8 liter pushrod hemi 8 valve
2TC 1.6 liter pushrod hemi 8 valve
7A-FE FWD 1.8 liter SOHC 16 valve
4A-FE FWD 1.6 liter SOHC 16 valve
4A-GE RWD 1.6 liter DOHC 16 valve
4A-C RWD + FWD 1.6 liter SOHC 8 valve

22R for big turbo power and torque, 4A-GE turbo for power and light weight for turn-in.
3TC is in the middle.

It's easy to build a R series motor for 160 hp/160 ft-lbs to the wheels normally aspirated (and fairly cheap).

The newer RZ truck motors are the "new" hot motors for RWD Toyota's, but are likely to be a bit top heavy with the twin cams. The old R motors will start tearing things up at high revs, the single cam with rocker arms is just that crummy. Good thing you can replace the cam and rockers for under $300, just make it winter freshening. For a while TRD promised a roller rocker/cam setup, but it never got beyond prototyping as far as I know (too bad, I'd gladly pay them $1000 for the kit).

If it were me, I'd be looking at the Camry/Rav 4/Scion Tc alloy 2.4 liter 4 cylinder. Light weight, good displacement. Just have to make the right stuff to mount it laterally.

A 1ZZ out of a Corolla/Celica weighs less than the 4AG and if anyone builds cams, it will easilt out perform it (more displacement, much more modern cylinder head design). I've run into people de-stroking the 1ZZ just to run it in displacement limited classes (instead of the 4AG).

Scott

No Ramey?
Must be waiting for the escrow check

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Brian H.
69 Datsun 2000

I just got an Avalon twincam 6bolt drivetrain. That would look nice in the rear of a Starlet.

At the 2002 Nationals, Tito's car weighed 1500 lbs without driver

Don Kline