08 Suspension Refresh - IMBOC
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post #1 of 6 (permalink) Old 11-25-2019, 10:57 PM Thread Starter
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Join Date: Jul 2018
Location: Vancouver, WA
Bullitt Year: 08
Bullitt Color: HG
Bullitt Serialized Number: 1PP05
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08 Suspension Refresh

2008 Bullitt 1PP05 has 78K miles on the odometer. It was ready for new brakes and I decided to also refresh the suspension. When I bought the car it already had Ford Performance Parts M-5300-PA 1" Lowering Springs with KONI STR-T struts and shocks. I like the current ride height so I stayed with the "P" springs. I thought about upgrading to adjustable KONI Sport struts and shocks or trying the new KONI Active but decided to stay with the KONI STR-T.

The brakes were straightforward. New rotors, pads and lots of cleaning. I installed the FPP M-2078-MB Boss 302 Brake Line Upgrade Kit and did a full brake fluid flush.

For the front suspension I reinstalled the "P" springs with new KONI STR-T Struts using the FPP M-18183-C Front Strut Mount Upgrade and M-5570-A Jounce Bumper Kit. I also installed a 2008 GT500 Front Sway Bar with new Ford BR3Z-5K483-B End Links. The sway bar is the same 34mm diameter as the stock GT/Bullitt front bar but it is supposed to have thicker walled tubing for additional stiffness.

For the rear suspension I retained the "P" springs and installed new KONI STR-T Shocks. I also installed the FPP M-5538-A Rear Lower Control Arm Upgrade Kit, M-5570-A Jounce Bumper Kit and a M-4264-A Adjustable Panhard Bar. To compliment the stiffer front sway bar I installed a 2011+ V6 22mm Rear Sway Bar. The stock GT/Bullitt rear bar is 20mm.

I used new fasteners from the FPP M-FR3-FASTENERS Handling Pack Fasteners Kit plus some extra parts I ordered for the rear sway bar. This may not have been necessary but Ford recommends it and now everything looks new.

I've only put 300 hundred miles on the car since the refresh but so far I'm happy with the results. The ride with the "P" springs and KONI STR.T struts and shocks is firm but still comfortable and wife approved. The sway bars increased the roll stiffness and so far the balance seems good for street driving.
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2008 Mustang Bullitt 1PP05 HG
2008 Shelby GT500 Vapor/Black
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post #2 of 6 (permalink) Old 11-26-2019, 06:43 AM

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Sounds nice! Glad you are enjoying the car and it's in good hands! One other mod you may not have noticed- unless someone changed them out, I put Saleen mufflers on it. With the Bullitt tips welded on. It was slightly louder than stock with a nice tone.

"I'm not that interesting of a person" -Steve McQueen
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post #3 of 6 (permalink) Old 11-26-2019, 11:11 PM Thread Starter
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Hi! We did notice the mufflers and they sound good. When we looked at a new Bullitt back in 2009 my wife thought it was too quiet.
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2008 Mustang Bullitt 1PP05 HG
2008 Shelby GT500 Vapor/Black
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post #4 of 6 (permalink) Old 11-27-2019, 07:56 AM

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You'd be surprised at how much 'muffling' those tips really do. I loved the sound without the tips on- it was just right! But those Bullitt specific tips.... gotta have those...

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post #5 of 6 (permalink) Old 02-13-2020, 12:35 AM

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I have heard a lot of different feedback between the K and P springs.
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post #6 of 6 (permalink) Old 02-13-2020, 07:00 AM

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it depends on what you are looking for in a spring swap.
i have "P" springs on my car. i do have some problems putting it on a hoist and driving on the crappy roads these days.
"K" springs are what 1/2"- 1" lower? than a "P" spring. i myself would like that, but that's jut me.
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