What was the first production/serial number of the B210 GX? This one has all the goodies, 5-speed dogleg 63A, Dual Webers, disc brakes in the front,A14 79HP. It is only missing the A/C compressor(I think to increase HP). It runs and drives, though I did spend a few days getting the carbs set right. HLB210 221603. I also have a 71' 1200 coupe with a 5-speed dogleg and an A12 with dual Webers and some sweet slotted 12" aluminums. Should I consider swapping goodies or do you think the cars are better off as they are?

That is not stock. B210 GX came with a single carb engine.

Unless you love the B210, I'd put A14 block in the 1200, with the 1200 twin carb setup, which makes far more power than A14 twin carb setup.

Details: wiki - Hitachi Twin Carb

Are the disc brakes interchangeable? Where can I get those fat little tires for my 13s in the US? I will post pictures as soon as I figure out how.

Quote:USA B110s have front disc brakes. USA B210s have larger front disc brakes. I don't know if anyone has ever swapped them, but reckon it's a fair bet the B210 brakes and calipers will bolt onto the B110 struts.