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THICK front & rear SWAYBARS
#1
when i installed the tires yesterday and look under the car and to find my rear sway bare end link bushings are gone (when i rebuilt the suspension both front and rear, i skimped out on the sway bar bushings). so i need to at minimum replace them but with my big fat pig 460 in there it might be a time to invest in the 1 1/8 front sway bar and 7/8's in the rear.

who has them installed and how do they prefer on cornering? all i have installed now for suspension mods is 620 front coil springs, 5 leaf rear springs, KYB shocks front, sucky rear air shocks rear(replacing too), and subframe connectors. the subframe connectors help out so much, there isn't anymore body twist when i take off hard anymore. i would imagine these help out alot.

however, its easy to find the 1 1/8 front sway bar but i can't seem to find anybody with the 7/8's rear. all i could find is the 3/4's.
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#2
I have the 1 1/8" Front and 7/8" back on my '73 Grandé. I, too, an running a BBF (472) with a C6 and KYBs at all four corners.

Unfortunately, I cannot tell you how well it corners as the car has been in "paint jail" since July and I have not had a chance to take it around any corners.

I got both the front and rear kits from Mustang Plus.

BT

Do the RIGHT thing.
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#3
I did the Mustangs Plus "Grab-A-Trac" suspension also, but didn't get to drive it enough for a good feel. The new leafs and springs sure made it feel better though!
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#4
I'm wondering the same thing. I've heard the 1-1/8" bars are too big for Mustangs... but they were probably refering to the puny body Mustangs. From what I read in Herb Adams book "Chassis Engineering" (a must read IMHO) he likes softer springs for ride quality and to keep the tire in contact with the pavement while using large swaybars for reducing body roll. You can adjust over/under steer by changing the rear bar diameter.

All this being said it would be nice to hear someone's experience with different setups.

Jeff T.

Low buck, touring style, '73 Convertible "rolling restoration", 351c, 2v heads with a shave and a haircut, Performer intake, Holley 650(ish), roller rockers, screw in studs, guideplates, stainless valves, Duraspark / Motorsports MSD, T-5 conversion. 1-1/8" front, 3/4" rear swaybars KYB shocks and some home brewed subframe connectors. Future plans; JGC steering box, Cobra brakes and... paint, interior, etc.

When I die I want to die like grandpa, peacefully in my sleep... not screaming, like his passenger.

[Image: 1_12_09_14_10_15_11.png]
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#5
droptop73;17090 Wrote:I'm wondering the same thing. I've heard the 1-1/8" bars are too big for Mustangs... but they were probably refering to the puny body Mustangs. From what I read in Herb Adams book "Chassis Engineering" (a must read IMHO) he likes softer springs for ride quality and to keep the tire in contact with the pavement while using large swaybars for reducing body roll. You can adjust over/under steer by changing the rear bar diameter.

All this being said it would be nice to hear someone's experience with different setups.

Dang Jeff, you said what I was about to type...about 1-1/8" bars being too big. I've heard that too, several times over the years bUt don't know if that applies to the big- uns. Sway bar diameter will definitely change the handling characteristics but which size bar is correct? You got me. What was the bar size with the staggered shock setup?

[Image: 386_07_10_13_5_58_42.jpeg]
My Mustangs:
71 M-code Mach 1, Medium Blue/White Sport, 4R70W, 3L50, Factory Ram Air.
72 Q-code Mach 1, Pewter/Black Sport, 4-spd, 3L25.
65 Convertible, Britney Blue/White/White, more modified than original.
05 Convertible, Legend Lime/Tan/Tan, future classic??
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#6
Don65Stang;17093 Wrote:[quote=droptop73;17090]


. What was the bar size with the staggered shock setup?

I believe it was 7/8.

Jay
73 mach1
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#7
The small block cars got the 1/2" rear bar, the 429 cars got the 5/8" rear bar. With a big block I would not hesitate to use the 1.125 front with the .875 rear. Addco and Hellwig both make these bars, probably other manufacturers as well. I've run 1.125 frt and adjustable .625 rear for many years in my small block 69 Cougar. Handles great, neutral and ride is not too harsh.

Chuck
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#8
Thank you Chuck. Your Cougar works well with the 1-1/8" bar what would be your opinion on our "big" cars with the same? What springs are you using on the Cougar?

I'm of the opinion that the most streetable combination is stock springs and big sway bars.

BTW the grab a track bars seem to be the best priced bars I've seen. Has anyone used them?

Jeff T.

Low buck, touring style, '73 Convertible "rolling restoration", 351c, 2v heads with a shave and a haircut, Performer intake, Holley 650(ish), roller rockers, screw in studs, guideplates, stainless valves, Duraspark / Motorsports MSD, T-5 conversion. 1-1/8" front, 3/4" rear swaybars KYB shocks and some home brewed subframe connectors. Future plans; JGC steering box, Cobra brakes and... paint, interior, etc.

When I die I want to die like grandpa, peacefully in my sleep... not screaming, like his passenger.

[Image: 1_12_09_14_10_15_11.png]
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#9
I had a 1 1/8" bar on my '69 for a few years, it felt a bit unstable like it wanted to oversteer. I went back to the 7/8" bar that had been on it previously. I don't have a rear bar on it, but I am quite happy with the handling. My '72, however, handles terrible and feels like it needs more. Not really sure what size the front bar is there, but it doesn't have a rear one either.

[Image: 4zw1hv.png]
Dave

1931 Ford Model A Station Wagon
1969 Mach 1 - 351C, TKO-600, 4WDB, R&P, A/C, Shaker, Fold Down, etc.
1972 Mach 1 - 351C, FMX, PDB, PS, A/C, Fold Down, Console
1996 Mustang Cobra Convertible - 10psi Procharger
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#10
droptop73;20785 Wrote:Thank you Chuck. Your Cougar works well with the 1-1/8" bar what would be your opinion on our "big" cars with the same? What springs are you using on the Cougar?

I'm of the opinion that the most streetable combination is stock springs and big sway bars.

BTW the grab a track bars seem to be the best priced bars I've seen. Has anyone used them?


i just picked up grab a track's when i was passing thru stockton (2 hours away) and they have a great price. 109 for the front thick 1 1/8. with the rear i went ahead and just replaced the end links for the factory sway bar. i didn't realize that the factory 1/2 sway bar is pretty flexible and you can really move it around.

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