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Help ID these backing plates

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Old 08-10-2015, 11:04 PM
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Car: 1991 z28
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Help ID these backing plates

These backing plates came on my Dana 44 axle - I upgraded to LS1 brakes but was wondering what brakes these plates are for? (Same plates just showing both sides in this pic)

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Old 08-11-2015, 03:47 AM
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Re: Help ID these backing plates

probably the stock year that the rear end was from... i can tell you for sure that they aren't 98-02 F body, 94-96 B body, or 90's/00's S Series trucks because they don't have the internal drum parking brake setup that all of those vehicles had..
Old 08-11-2015, 07:20 AM
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Re: Help ID these backing plates

Well I'm not sure what year my d44 axle is from, but it is a third gen specific rear end so these plate should be for third gen brakes of some kind
Old 08-11-2015, 10:26 AM
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Re: Help ID these backing plates

well i figured it out, these are for early 3rd Gen Delco Moraine dics brakes w/ steel calipers

they will be for sale in the classifieds if anyone is looking - thanks
Old 08-13-2015, 08:38 AM
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Re: Help ID these backing plates

Yup, that's exactly what they are... look like the ones for a 82-88 10-bolt.

Note that one of them is right-side-up and one is upside-down: look at the bolt hole pattern in the center. They are correctly oriented as far as which side is showing in the pic, that is, you're looking at them as they would be sitting in the car as far as the surfaces that are showing, but one of them needs to be rotated 180°. Pretty sure the one on the right is for the right side of the car and is the one that's upside-down. One caliper should be toward the rear, one should be toward the front.
Old 08-13-2015, 11:47 AM
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Re: Help ID these backing plates

Originally Posted by sofakingdom
Yup, that's exactly what they are... look like the ones for a 82-88 10-bolt.

One caliper should be toward the rear, one should be toward the front.
X2.

In those years, the pass side caliper with its flex line is mounted in front of the axle, the drivers’ side with its hardline to the rear.

JamesC
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