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PostPosted: Sat Feb 02, 2013 4:24 pm 
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From the rules
7.14 Suspension
7.14.3 Ford Racing M-5638-B or M-5638-C front lower control arm bushings are permitted.

Here's the parts and how to save half..........

Image

2005-2013 MUSTANG COMPETITION FRONT BUSHING KIT M-5638-C Kit Suggested Retail Price $589.00 (my cost $412.50)
• Low drag front lower control arm bushing kit for 2005-2013 Mustang
• Original equipment on 2013 Mustang Cobra Jet and Mustang Boss 302S
• Fits Mustang Boss 302R, FR500C, FR500S, 2005-2013 Mustang GT, V-6, Shelby GT-500 and 2011-2012 Mustang Boss 302
• Allows wider range of caster adjustment than stock.
• Smaller and lighter that production bushings – ideal for header access
• Low drag removes the bushing as a damping force allowing suspension to be better “dialed-in through shock tuning
• Increased stiffness for minimal suspension deflection
• Increased steering response
• Includes Delron/Aluminum bushing with mounting bracket
• Recommended for off-road use

Image

FR500C BUSHING KIT, FRONT M-5638-B Suggested Retail Price $43.95 (my cost 43.10)
• Service replacement for Mustang FR500C Race Car M-FR500-C
• Fits lower control arm M-3075-R
• Use with FR500C caster adjuster M-3052-R1


Mustang Caster Adjuster FR part Number M-3052-R1 (this is the bracket only); the FR500C, Boss 302R and Boss 302S used this but it’s no longer available from Ford Racing.

There are however two left on eBay for $220.00

Image

FR500C CASTER ADJUSTER
• Service replacement for Mustang FR500C Race Car M-FR500-C
• Allows for the adjustment of caster on FR500C
• FR500C Front Bushing Kit required M-5638-B
• Bushing kit not included with caster adjusters

So for $220.00 plus the bushings $43.95 you would have the M-5638-C Kit for half price.

http://www.ebay.com/itm/FORD-RACING-MUSTANG-FR500C-CASTER-ADJUSTERS-M-3052-R1-/370227914125?pt=Motors_Car_Truck_Parts_Accessories&hash=item56334da58d&vxp=mtr

Hope this helps someone save a few bucks.

Kind of strange Ford Racing no longer has the cheaper option available…….


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PostPosted: Sat Feb 02, 2013 8:58 pm 
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Are the bushings the same in both kits?

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2008 Mustang GT (FR500S).
Precise Racing & Performance Parts.


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PostPosted: Sun Feb 03, 2013 7:19 am 
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Mustang Caster Adjuster FR part Number M-3052-R1 (the part on Ebay/no longer avilable from FR) does not have the bushings, it requires bushing kit M-5638-B (Just the bushings).

The complete kit is M-5638-C Mustang Competition Front Bushing Kit M-5638-C


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PostPosted: Sun Feb 03, 2013 9:22 am 
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Thanks for the FYI and explaination. I understand.
We have been getting ready to do the bushing upgrade.
I know what the bushings in the -C kit look like, it is just that I have never seen the -B (FR500C) bushing kit for comparison.

From your posted pics, the two bushings on the left in both kits look different, but it is hard to tell what material these bushings in the -B is made from.

Could you please comment on these bushings in the -B kit and their material of construction?

Bruno.....

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PostPosted: Sun Feb 03, 2013 4:53 pm 
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B is urethane bushings and C is delrin bushings. Big difference between the two.

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93 Cobra R AI #26
04 BIW #29
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PostPosted: Sun Feb 03, 2013 9:19 pm 
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I am planning on installing the -C bushings, but am a little disappointed that all the bushings will not be hard.
Suspension set-up and alignment are very important to me, and I have learned that rubber and poly are not the best for my application.

In the -C kit, why do you think the rear bushings are urethane and not Delrin like the front?

Is there a reason why one would want some "give" at the rear of the LCA?

Bruno.....

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Precise Racing & Performance Parts.


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PostPosted: Mon Feb 04, 2013 7:29 am 
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DocB wrote:
I am planning on installing the -C bushings, but am a little disappointed that all the bushings will not be hard.
Suspension set-up and alignment are very important to me, and I have learned that rubber and poly are not the best for my application.

In the -C kit, why do you think the rear bushings are urethane and not Delrin like the front?

Is there a reason why one would want some "give" at the rear of the LCA?

Bruno.....



You don't want delrin in the back primarily due to the arc length differencese between the upper 3rd link and the lower control arms. That creates roll bind that was so prevalent in the '79-'04 Mustang 4-link suspension.

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2011 NASA-TX American Iron Champ
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PostPosted: Mon Feb 04, 2013 7:46 am 
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Marshall, we are talking about the front and rear bushings on a Front Lower Control Arm, correct?

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PostPosted: Mon Feb 04, 2013 1:13 pm 
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DocB wrote:
Marshall, we are talking about the front and rear bushings on a Front Lower Control Arm, correct?


If that's the case, nevermind... My post was for the rear...

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AIX/AI/SI/CMC Texas Regional Director
2011 NASA-TX American Iron Champ
AI #67


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PostPosted: Wed Feb 13, 2013 10:41 am 
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We believe it has more to do with overall cost than anything else. It probably would have been cost prohibitive for the front/rear bushing to be delrin as well. The only bushings that had issue previously was the front/front and this is now delrin.


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