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S197 Tri-Bar's Ride Build Thread Profile - S197 Mustangs

535
447
Time for a Update.
Sunday 8-14-22 Running with Slip Angle Track day group at Button Willow, CW13.
As I hit the high speed left before Phil Hill, I felt the rear of the car get soft under compression. Around the rear came and back ended off the track at around 120mph. The car filled with dirt almost as fast as I went off. Back ended into the fence and berm.
I have mostly cleaned out the car. I have not got it up in the air yet for damage check. I'm ok, sore now but ok.

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864
1,344
Exp. Type
Time Attack
Exp. Level
3-5 Years
SoCal
Time for a Update.
Sunday 8-14-22 Running with Slip Angle Track day group at Button Willow, CW13.
As I hit the high speed left before Phil Hill, I felt the rear of the car get soft under compression. Around the rear came and back ended off the track at around 120mph. The car filled with dirt almost as fast as I went off. Back ended into the fence and berm.
I have mostly cleaned out the car. I have not got it up in the air yet for damage check. I'm ok, sore now but ok.

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Oh no, sorry to see this Ashley. Most importantly you’re OK. That fine powered dirt is the worst kind of mess. Hope to see you back out there soon.
 
535
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The rebuild has started. New parts and some upgrades. New lower front valance and a 40 Grit Design carbon splitter. Waiting for the new rear bumper cover to come back from the paint shot, New lower valance and side skirts well be going on. Need to weld in the Kenny Brown Jacking rails.

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535
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After the Button Willow ordeal, I swapped out My wet cell battery for a Yellow top. Changing out my Fuel vent line also. Waiting on push on hose and fittings to run from the check valve to the breather line from the filler hose.

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Couple of minor changes for Streets of Willow. Swapped out the Ford Racing Anti-Squat brackets for Kenny Brown's, then did the Roll center kit with a older style panhard bar. Boss 302S lower arms, Multimatic upper.

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5,623
6,702
Exp. Type
W2W Racing
Exp. Level
20+ Years
Pleasanton: 1/2 way between Sonoma and Laguna Seca
5,623
6,702
Exp. Type
W2W Racing
Exp. Level
20+ Years
Pleasanton: 1/2 way between Sonoma and Laguna Seca
Will do ! Running Streets this weekend. I'll get back to ya.
Should feel squishier in back, but more hooked, possibly to the point of understeer.
The roll center here is 1-2" lower than mine, and its really low.
The rear sway bar will counter some of this so I'm interested to hear how it balances.
I usually run mine sans sway bar so if you get the chance to drop one link and try it like that it could be educational.
 
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447
Streets of Willow CCW was fun. What I found out was I really don't like the lower roll center with the KB roll center kit. Put the Stock Panhard bar back on and was much happier. Didn't get the extra bite that it was suppose to have seemed less drivable IMO, on my car. Then in session 3, fuel pump/regulator problems arose and didn't get to play in the bonus rounds with the other kids. Hope to get this all sorted soon.
 
5,623
6,702
Exp. Type
W2W Racing
Exp. Level
20+ Years
Pleasanton: 1/2 way between Sonoma and Laguna Seca
Streets of Willow CCW was fun. What I found out was I really don't like the lower roll center with the KB roll center kit. Put the Stock Panhard bar back on and was much happier. Didn't get the extra bite that it was suppose to have seemed less drivable IMO, on my car. Then in session 3, fuel pump/regulator problems arose and didn't get to play in the bonus rounds with the other kids. Hope to get this all sorted soon.
Running the rear sway bar a with low roll center reduces the affect, you really need to disconnect it to get the full benefit..
Another TMO member here did the same KB RC kit not all that long ago with a rear sway bar and he didn’t like it either, that’s why I was interested to hear what your experience would be. The KB kit lowers the RC a lot. Maybe too much. But it’s part of a whole package. Lower rear roll center, raised front roll center, no rear sway bar and big springs. The KB kit uses 650/400 springs. I don’t think you can just throw the RC kit on there and go faster. On the other hand, it’s a season to taste kind of thing, even when done as a complete kit not everyone likes it. But then, a lot of people do. KB, Maximum Motorsports and Maier Racing among others all use a very low rear roll center in their setups.

Typical Transam car setup ( note the watts on the bottom of the diff)
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Last edited:
535
447
Running the rear sway bar a with low roll center reduces the affect, you really need to disconnect it to get the full benefit..
Another TMO member here did the same KB RC kit not all that long ago with a rear sway bar and he didn’t like it either, that’s why I was interested to hear what your experience would be. The KB kit lowers the RC a lot. Maybe too much. But it’s part of a whole package. Lower rear roll center, raised front roll center, no rear sway bar and big springs. The KB kit uses 650/400 springs. I don’t think you can just throw the RC kit on there and go faster. On the other hand, it’s a season to taste kind of thing, even when done as a complete kit not everyone likes it.
Ran that spring set up, changed them out now, back to the stock 600/350 springs. dropped/added the sway bar, did all the adjustments, still didn't like it. I have run the KB full rear kit and front, even the k-link. I'm just going to set it up stock Boss 302S, and just play with Damper settings. The stock stuff is robust, can take a beating and it works. Just looking for a set it and forget thing now, Did all the playing with parts and getting to the point where I just want to drive the car.
 
5,623
6,702
Exp. Type
W2W Racing
Exp. Level
20+ Years
Pleasanton: 1/2 way between Sonoma and Laguna Seca
Ran that spring set up, changed them out now, back to the stock 600/350 springs. dropped/added the sway bar, did all the adjustments, still didn't like it. I have run the KB full rear kit and front, even the k-link. I'm just going to set it up stock Boss 302S, and just play with Damper settings. The stock stuff is robust, can take a beating and it works. Just looking for a set it and forget thing now, Did all the playing with parts and getting to the point where I just want to drive the car.
Boss 302s is a proven package.
 

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