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Originally posted by Murdoc:
i see that alot of people make this change from 6 lug to 5. why is it done? any other strange advatage the 5 lug has over the six or is it usually just to accomodate a special set of rims?
I believe most people go 5 lug because 5 lug front disk brake conversions are cheap compared to 6 lug. You can find 5 lug front disk units plentiful and cheap in junkyards. And they'll easily go on the earlier (pre-'71 back to '63) trucks.

I'm not aware of any factory GM 6 lug (with a 6 on 5.5 bolt pattern) front disk brake front ends that will easily fit the hub of the pre-'71 half ton trucks. And although they'll allow you to keep your stock 6 lug rear end, the aftermarket 6 lug front disk kits are far from inexpensive. eek

It's usually quite a bit cheaper to buy a 71-72 (or later) junker and steal it's rear axle and front disk assembly than to buy the brand new 6 lug front disk conversion kits.

-ftyler