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Author: Subject: BMC axle backlash
tegwin

posted on 25/4/08 at 10:37 PM Reply With Quote
BMC axle backlash

I have what I believe is a BMC A-Series rear axle....

Should I expect any backlash (rotational play) in the input shaft?

I would estimate the backlash to be somewhere around 6-7 degrees....Should I be concerned?





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Stu16v

posted on 25/4/08 at 11:58 PM Reply With Quote
|Sounds like an excellent example TBH...!





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D Beddows

posted on 26/4/08 at 01:06 AM Reply With Quote
In all seriousness introduce yourself on 750 Formula and they will be able to give you all the help you need - yes they'll try and persuade you to put a fiat engine in it and go racing with them (tbh that's not actually such a stupid idea anyway as you already have an eligible car ). No other group of people know more about the BMC axle/diff though

[Edited on 26/4/08 by D Beddows]

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andylancaster3000

posted on 26/4/08 at 11:07 AM Reply With Quote
Good alternative to the english axle Imho. Very much lighter than an english, same width i believe and are capable of taking modest power. The only trouble is finding good examples at the correct diff ratio, especially for bike engines, for a reasonable price. (but if you've already got one that's not much of a worry!)

As mentioned above the 750 formula boys and girls are your best bet. They've been using it for a loooong time...

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