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Brake part number request

Old 1/29/19, 03:42 PM
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Brake part number request

Hey everyone. I am doing the GT500 rear brake upgrade and I cannot find the part number for the bolts and nuts for the rear adapter plate
Can anyone help me out. Yes, I googled it but I was unable to find it.

There are 4 of them.

Thanks


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Old 1/29/19, 05:54 PM
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The part number is 1R4Z-2321-BA. When I did the conversion a couple years ago the part was not available from Ford. I reused the factory bolts with some loc tite to make sure they didn't come loose.
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Old 1/29/19, 06:09 PM
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Thanks man. I appreciate it.
Since you used the original bolts with loc tite I'll go that route. I only have 29k kms so the bolts are practically new still
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Old 1/29/19, 07:43 PM
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Like you I wanted to use new bolts, since Ford recommended it. I ordered the parts and they were back ordered. Then the order was cancelled and my money refunded due to Ford no longer making the item available. I wouldn't worry about using the factory bolts with loc tite, just torque them properly. Mine have been on the car without issue for a little over 3 years and I track the car.
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Old 1/29/19, 10:49 PM
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Originally Posted by EF1 View Post
Like you I wanted to use new bolts, since Ford recommended it. I ordered the parts and they were back ordered. Then the order was cancelled and my money refunded due to Ford no longer making the item available. I wouldn't worry about using the factory bolts with loc tite, just torque them properly. Mine have been on the car without issue for a little over 3 years and I track the car.
Thats what I needed to hear. I could not figure out why they recommended they be replaced. I'm pretty sure the specs on those bolts are made for a decent amount of force. I would only be concerned if they were corroded.
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Old 1/30/19, 05:25 AM
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Old 1/30/19, 07:30 AM
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Yah, I have seen those, but I wanted to go the route of doing the proper setup.
Thanks for the info though.
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Old 1/30/19, 08:30 AM
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up to you, it's your time and money . . . speaking for myself, I saw no benefit to offset the added cost and time needed for the "proper setup" . . . and I know of at least two people who have used those brackets, and pushed their cars harder on the road track (with slicks and brake cooling ducts) than I probably ever will, so not worried about any failures
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Old 1/30/19, 05:31 PM
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It is two different ways to achieve the same result, larger rotors on the rear. People have had good luck with both set ups. I have seen both used at the track with good results. I chose to go the Ford route because I wanted it to look like it came that way and wasn't an afterthought. It does cost a little more and take a little more time to use the GT 500 parts, but I needed to change the gear oil in the rear anyway. I also took the opportunity to put new clutches in the trac lok and upgrade to a finned aluminum diff cover with fill and drain plugs to facilitate fluid changes in the future. Even with the extra maintenance that I did it only took an afternoon to complete.
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Old 2/5/19, 07:08 PM
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Here is the part list from when I did my upgrade about 18 months ago. This is all the needed parts if you put in all new. Love the upgrade. Looks great and have not had a single complaint. Do it!




FYI here is a thread on this very topic from a while back that should give you all the info you need to make it happen.

https://themustangsource.com/forums/...pgrade-542581/

Last edited by shaneyusa; 2/5/19 at 07:21 PM.
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