Are all AD spindles the same? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

MARTINSR · 10-09-2018, 11:18 AM

I am chatting with someone on Facebook who has some spindles for sale. I could swear that they changed at some point to accept passenger car hubs, am I wrong?

I have a few pairs, and a pair of passenger car ones, and have planned on matching them up but never have.

What do you guys say.

Brian

**mr48chev** · 10-09-2018, 12:08 PM

I have had passenger car backing plates on 48 spindles and 54 spindles and had to use spacers on both to bolt them up. That and I had to drill two new holes in the backing plates as the distance between the top and bottom bolts is different.

It's my understanding that the spindles are the same from at least 51 to 59 I'm not sure if the spindles for Huck brakes are slightly different or not.

whitedog76 · 10-09-2018, 04:48 PM

No. The 52 and newer were drilled for Bendix brakes. I don’t if there was any other differences on the 3100 trucks. The 52 and newer 3600&3800 spindles took larger bearings and they were taller in the kingpin area.

10-09-2018, 11:18 AM	#1
MARTINSR Registered User Join Date: Dec 2000 Location: Boise, Idaho Posts: 6,003	Are all AD spindles the same? I am chatting with someone on Facebook who has some spindles for sale. I could swear that they changed at some point to accept passenger car hubs, am I wrong? I have a few pairs, and a pair of passenger car ones, and have planned on matching them up but never have. What do you guys say. Brian __________________ 1948 Chevy pickup Chopped, Sectioned, 1953 Corvette 235 powered. Once was even 401 Buick mid engined with the carburetor right between the seats! Bought with paper route money in 1973 when I was 15. "Fan of most anything that moves human beings"

10-09-2018, 12:08 PM	#2
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,705	Re: Are all AD spindles the same? I have had passenger car backing plates on 48 spindles and 54 spindles and had to use spacers on both to bolt them up. That and I had to drill two new holes in the backing plates as the distance between the top and bottom bolts is different. It's my understanding that the spindles are the same from at least 51 to 59 I'm not sure if the spindles for Huck brakes are slightly different or not. __________________ Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.

10-09-2018, 04:48 PM	#3
whitedog76 Registered User Join Date: Jan 2014 Location: Peoria, IL Posts: 1,450	Re: Are all AD spindles the same? No. The 52 and newer were drilled for Bendix brakes. I don’t if there was any other differences on the 3100 trucks. The 52 and newer 3600&3800 spindles took larger bearings and they were taller in the kingpin area.

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