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Old 02-04-2008, 06:35 AM   #4 (permalink)
joe_padavano
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Location: Northern VA
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Quote:
Originally Posted by Colorado Olds View Post
My sons '66 F85 has the single cylinder MC. The car has power brakes, and drums on all fours.

Is there an easy way to switch over to a dual reservoir style? This is his first car, and since we are replacing most all of the brake system anyway, this seems like a good time to upgrade, if it is easy enough to do.

Any ideas?
Don is correct, you need 1967 parts. The boosters used on the single MC cars (66 and older) have a different pushrod length and won't work properly with a dual MC. Brake distribution blocks are very easy to get from either 67-up drum brake cars or the brake repro houses. Also, plugs for flare fittings are readily available. DO NOT try to crimp a piece of tubing to plug that fourth port.

The 67 parts will fit on any 64-67 A-body. The 61-62 cars do not have that option and would likely need an aftermarket brake booster and MC for the conversion. I do think this is an important safety upgrade.
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