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Old 04-30-2010, 08:00 PM   #1
chev-obsession
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Wilwood GM D52 calipers

I saw these calipers in a jegs catalog today. Will they fit/work on our trucks?
p/n 950-120-10936RD, 950-120-10937RD
do our trucks use a 1'' rotor or a 1.28'' rotor?
http://www.jegs.com/webapp/wcs/store...50-120-10936RD
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Old 04-30-2010, 08:12 PM   #2
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Re: Wilwood GM D52 calipers

That caliper looks like the one for the 13" rotors. The truck rotors are 11" . WES
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Old 04-30-2010, 08:16 PM   #3
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Re: Wilwood GM D52 calipers

It would seem to me that the diameter of the rotor is irrelevant. The thickness is the critical part.
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Old 04-30-2010, 09:37 PM   #4
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Re: Wilwood GM D52 calipers

Yes they will work. I have them on my truck. The slotted drilled rotors came from Autozone and are stock size 1.28". I'm a Wilwood dealer.
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Old 05-02-2010, 04:46 PM   #5
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Re: Wilwood GM D52 calipers

Quote:
Originally Posted by joeelutz View Post
Yes they will work. I have them on my truck. The slotted drilled rotors came from Autozone and are stock size 1.28". I'm a Wilwood dealer.
Whats the Part # on this Rotor?
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Old 05-02-2010, 06:47 PM   #6
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Re: Wilwood GM D52 calipers

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Originally Posted by Strut View Post
Whats the Part # on this Rotor?
Don't recall. Just call up Autozone and ask for slotted drilled rotor for a 72 half ton. They had to order it.
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Old 05-02-2010, 07:58 PM   #7
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Re: Wilwood GM D52 calipers

heres some more info

http://67-72chevytrucks.com/vboard/s...d.php?t=381991
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Old 04-30-2010, 10:43 PM   #8
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Re: Wilwood GM D52 calipers

Take a look in the Vendor Marketplace. Capt Fab has the brackets to use those on the rear. I believe CPP has the calipers listed at a great price too.
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Old 04-30-2010, 10:44 PM   #9
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Re: Wilwood GM D52 calipers

those look great! Do you need an adapter bracket?
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Old 04-30-2010, 10:54 PM   #10
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Re: Wilwood GM D52 calipers

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Originally Posted by ShredSled View Post
those look great! Do you need an adapter bracket?
No, they are a direct replacement for the standard GM D52 caliper-

From the Wilwood site- "The D52 caliper is a direct bolt-on 2 piston replacement for the factory original single calipers on many 1968-96 GM Passenger Vehicles and Trucks."
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Old 04-30-2010, 11:07 PM   #11
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Re: Wilwood GM D52 calipers

About 2 1/2 years ago a friend of mines brother who works at wilwood asked if they could use my truck to measure & template for a prototype brake system for our model trucks. they had the truck on my avatar for two days.It was in a clean room with techs in white coats the whole nine yards ! tons of calibration tooling & I never even took a picture. all that and I never got the prototype brakes ether. any way its cool to know the wilwood brake kit for our trucks is based on my truck. not even sure the kit is done or not. best of luck, ..Pat
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Old 04-30-2010, 10:58 PM   #12
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Re: Wilwood GM D52 calipers

Here is pics of the rear conversion kit. More details here- LINK

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Old 05-02-2010, 03:03 PM   #13
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Re: Wilwood GM D52 calipers

oh wow this is really cool!! they are at a some what decent price too! so our trucks are the 1.28''?
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