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hmmm, I've said alot of stuff about the BW diff, but I don't recall ever saying they were stronger than a H165. They may well be, but I don't know. I've never measured the crown wheel, and can't remember how many splines the axles have - but I wouldn't know how many splines the ute H165 has either...

what I do know is that they are strong enough to handle the ~200bhp stewart wilkins L18 we used last year - and will certainly cop everything an A series could ever throw at it (excluding other problems like axle tramp).

They're also dirt cheap, and dead easy to find, neither of which you can really say about the sought after ute H165.

And to top it off, the Corolla (KE55 or something) BW diff perfectly matches the rear track to the front if you've done the popular Stanza brakes/strut conversion.

what more could you want for $50 to $75 from your local wrecker? How about a choice of 3.9, 4.1 or 4.3 ratios in the Corolla version (120Y sedans only have a 3.9). And some KE55s have a rear sway bar that could easily be fitted to the 1200 too...

the rest of the details with regard to fitting them have all been covered before.

oh, and they've got bigger brakes! don't laugh, bigger drums make a noticeable improvement. actually there's 2 sized brakes on the Corolla diffs - the smaller drums are pretty close to the 1200's size, but the bigger ones are prefferable.