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Old 12-07-2005, 07:18 AM
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Brake upgrade on '47 Chev 3/4 Ton

I am starting work on a pretty clean '47 Chev 3/4 Ton. 5 window, it is all original, except the bed. Runs like new! Brakes. My past experience with these trucks has been good except for the brakes. My last one was in 1970 and the brakes were really sad. I am planning a slow upgrade on this truck. The brakes are the # 1 priority.
Main question: What can/should I do to keep the 8 hole wheels & hubs? I have not seen any conversions that allow that. As with most of us $$, or lack of are the driving, I mean stopping point (yuk,yuk) for a lot of good tricks.
As to the running gear, It runs well, # 1 choice will be to upgrade to a "warmed up" 235 or newer I6 and rear gears.
John
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Old 12-07-2005, 02:13 PM
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All I know is that you can bolt on 49-54 Chevy passenger car (and I assume Vette up to 62) spindles and brakes for a 5 lug up grade and common brake shoes. Of course, there are a number of aftermarket disc brake swaps available.

The rear is a little different, that I believe doesn't have any bolt on swaps.

Brian
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Old 12-07-2005, 05:03 PM
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I'm not aware of any either. You might try the stovebolt forums those guys know the AD trucks pretty well and if there's a brake upgrade that will allow you to keep the 8 lug setup they will know about it.
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Old 12-07-2005, 07:12 PM
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Brake upgrade on '47 Chev 3/4 Ton

Hey guys, thanks for the tips. I'm going to the site suggested by "Centerline". This afternoon I was cruising a NAPA parts book. By the numbers I found, the 1/2 Ton spindles will fit the king bolts. (same size). So if I must, I'll drop down to a car rear and smaller front. Still researching. All in the bearing sizes!! Thanks again.

John
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Old 12-10-2005, 08:24 AM
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Quote:
Originally Posted by jwvonl
So if I must, I'll drop down to a car rear and smaller front. Still researching. All in the bearing sizes!! Thanks again.

John
Unless I am mistaken.......the 47 3/4 ton's were still enclosed driveshaft models. I know the 1/2 tons were.

A newer car type rear end would require some other transmission/engine changes to work.......but would give a better ratio for highway driving.

Some rodders just use a disc brake rotor on the front and make their own caliper mounting bracket. I would look at a GM truck with 8 lug wheels and try to adapt the rotor to my spindle. Braking is usually 60% effective front and 40% effective rear.

.
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