Dartin for Divorce

69_340_GTS said

Nope. You do not have room to put another BC on those axles. Not unless you want to have the holes welded up, and have the flanges re-machined to make them flat again. By the time you find someone to do that work properly, and pay them, it's easier, and better, to get new axles from Dr Diff. Needs new brakes too.

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be safe then.
reason i wouldn't worry about it: ~25 years ago when i did the conversion on my first 340 car, the owner of the axle shop who'd done a lot of these over the years, told me his experience was they're good for around 400 hp on street tires. real ones, no cheater slicks. i hammered mine on the street daily for 10 years and never had a problem. but again, do what seems safest