CA18, 4AGE, FJ20 or SR20?

What are the options?

Except for the FJ, those are the traditional swaps. For something alternative, try the Nissan QR20DE (instead of SR20DE) or GA16DE VCT (instead of 4A-GE) or the JZ six

The JZ (1JZ or 2JZ) is a very short six-cylinder engine, so aside from cutting out the tunnel and re-covering it, including a portion of the firewall, it's much like any other engine swap. I see that your'e in Australia, so under NCOP is would need to be engineered under ICV rules

That's the main reason the smaller 1.8 turbo or 2.0 non-turbo engine swaps are so popular in Australia

V8 swaps into 1200s are more popular in Australia than in other countries, so for drag racing/burnout comps/off-road that's another way to go

Of the four you listed, the FJ20 is the most tough looking, but an SR20DE actually similar power in stock form (FJ20E: 148 hp, SR20DE 140-169 hp). The SR20 is lighter too

SR engine swap



FJ engine swap

Cant put anything more the 1886cc (forced induction) 2102cc (NA) in with Tas road laws due to the weight of the ute..

Well that rules out the FJ20 and SR20. Of the other two, the CA18 is slightly more powerful than the 4A-GE. Keep it real, keep it all Nissan

Ah, I see you modified your comment. Yes, those look to be the same NCOP guidelines all the states are going by

So all the options are open

I was talking with a guy here in the states who put a GM V6 engine into a 1200. Didn't see photos though.

Yeah, GM 3.8 V6 into 1200 is fairly common, fit much better than the smaller ford 2.8 V6

Even better is the "Darwin Swap", they did a lot of them, street legal too with the Nissan VG20 V6
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