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Re: What suspension mods are in YOUR B body? [Re: MrAngry] #1151304
01/13/12 04:18 PM
01/13/12 04:18 PM
Joined: Nov 2006
Posts: 6,005
Reno, Nevada
NV69B7RR Offline
master
NV69B7RR  Offline
master

Joined: Nov 2006
Posts: 6,005
Reno, Nevada
Quote:

Here you go:

• Firm Feel or Magnum Force Tubular upper control arms
• Ditch the KYB's and put in a set of Edelbrock Performer IAS shocks
• Go to the 1 3/8 front sway bar from Hotchkis and a 7/8 rear bar
• ABSOLUTELY install sub-frame connectors and if you can, get the XV motorsports chassis stiffening kit. It includes inner fender well braces and under hood shock tower brace.
• You've already got the FF stage 3 steering box with Fast ratio idler and pitman arms - good move.
• Minimum of .96 on the torsion bars. This will help you out A LOT.






This is the set up I had on my 69 RR and worked great. On the road manners were great, and when pushed it was predictable. The Edelbrocks ride really well, especially on cracked/ older roads. Anything to lighten the front end up will help too, aluminum water pump housing, heads, etc. I ran the Flaming river manual box on mine.

7016697-RoadrunnerPFS.JPG (151 downloads)
Re: What suspension mods are in YOUR B body? [Re: NV69B7RR] #1151305
01/23/12 12:50 AM
01/23/12 12:50 AM
Joined: Dec 2011
Posts: 120
Vancouver,Canada
7
70 Roadrunner* Offline
member
70 Roadrunner*  Offline
member
7

Joined: Dec 2011
Posts: 120
Vancouver,Canada
I'm running a stock suspension in my 70 Roadrunner and am looking into getting into the suspension.First things first I need new shocks...Bilsteins are first on my list but I'm open to suggestions.Firm Feel sway bars front and back are second...and third the UAC and LCA from FFI plus a few other front end items.This is for a street application but I sure like to drive this car.Any further info/comments or words of advice any of you guys can add would really be appreciated.So much to learn and so many of you guys with years of experience with the cars...what a great site!

Re: What suspension mods are in YOUR B body? [Re: 70 Roadrunner*] #1151306
01/23/12 11:33 PM
01/23/12 11:33 PM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline OP
Striving for excellence
Kern Dog  Offline OP
Striving for excellence

Joined: Feb 2010
Posts: 18,493
Granite Bay CA
You get the benefit of joining right about the time that this great new forum was created. For YEARS we have heard about how these great cars can be modified to make turns as well as go straight, NOW we can chare info and all benefit from it.

Re: What suspension mods are in YOUR B body? [Re: 70 Roadrunner*] #1151307
01/24/12 12:37 AM
01/24/12 12:37 AM
Joined: Jan 2007
Posts: 7,664
IN
A
ahy Offline
master
ahy  Offline
master
A

Joined: Jan 2007
Posts: 7,664
IN
Quote:

I'm running a stock suspension in my 70 Roadrunner and am looking into getting into the suspension.First things first I need new shocks...Bilsteins are first on my list but I'm open to suggestions.Firm Feel sway bars front and back are second...and third the UAC and LCA from FFI plus a few other front end items.This is for a street application but I sure like to drive this car.Any further info/comments or words of advice any of you guys can add would really be appreciated.So much to learn and so many of you guys with years of experience with the cars...what a great site!




Sounds like a good plan. The benefit of the UCA (upper control arms) is they allow better alignment specs. You should be looking for .5-.75 degree negative camber and 3-5 degrees positive caster with factory toe settings. Its hard to impossible to get there with factory UCA's thus the recommendation to go with the FFI arms.

The only other comment is if you like the result and want to firm things up even more with bigger T bars, I would suggest more frame and K member stiffening. Frame connectors and a fully welded/gusseted K would be on the list. No point in having real stiff springs at the 4 corners of the car and the chassis flexing in the middle. Not necessary for your plan as is.

Re: What suspension mods are in YOUR B body? [Re: OLD318] #1151308
02/03/12 01:37 AM
02/03/12 01:37 AM
Joined: Sep 2006
Posts: 1,169
Los Angeles, CA
JF_Moparts Offline
super stock
JF_Moparts  Offline
super stock

Joined: Sep 2006
Posts: 1,169
Los Angeles, CA
My 71 Satellite Sebring:

Most of these mods have been in the car for more than 20 years...

1.03" torsion bars (~205 lbs/inch)
'73 E body spindles w/ '78 11.75" disk brakes
1 1/8" front anti away bar
Polygraphite bushings from PST
Tubular upper control arms
Fast ratio pitman/idler arms
Stage II firm feel box
C body tie rod ends
17x9s with 255/45 all around
Hemi rear leafs
Weld-in frame connectors

Jim

Re: What suspension mods are in YOUR B body? [Re: JF_Moparts] #1151309
02/05/12 06:36 PM
02/05/12 06:36 PM
Joined: Nov 2007
Posts: 305
5th and plum
R
redmist Offline
enthusiast
redmist  Offline
enthusiast
R

Joined: Nov 2007
Posts: 305
5th and plum
Couple of questions for my setup.

First off, my car has the full PST front end bushing kit installed. 1&1/8" Front bar, No bar on rear. Stock leafs.

285-40-17 rear on 10" rim
235-45-17 front on 8" rim

My questions are, would you guys recommend the full weld in sub frame connectors over the ones that just join the rails together? I am also thinking about cutting my K member so the oil pan could be dropped. And then fabricating a bolt in joining section to replace what I cut out. That way I could get the pan off the engine if need be. I could then weld the K member to the rails.

Re: What suspension mods are in YOUR B body? [Re: redmist] #1151310
02/05/12 08:02 PM
02/05/12 08:02 PM
Joined: Dec 2004
Posts: 804
central CT
cudazappa Offline
super stock
cudazappa  Offline
super stock

Joined: Dec 2004
Posts: 804
central CT
Its been discussed before and the consensus (last I checked) was that the separate tube (not the floor contoured connectors) were the strongest option.

Can't comment on the weld the k-frame idea though. In theory it should work. But I've also changed small block pans with then engine and K in the car just by lifting the engine off the mounts a bit. Not sure if the Big Block pan has any other caveats to it...


1971 Challenger
Re: What suspension mods are in YOUR B body? [Re: redmist] #1151311
02/05/12 11:44 PM
02/05/12 11:44 PM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline OP
Striving for excellence
Kern Dog  Offline OP
Striving for excellence

Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Quote:

I am also thinking about cutting my K member so the oil pan could be dropped. And then fabricating a bolt in joining section to replace what I cut out. That way I could get the pan off the engine if need be. I could then weld the K member to the rails.




My thoughts are the following: The K member is subjected to great amounts of torsional stress. The stronger the K member is, the more it resists flexing. Anything that is bolted in place is inferior to a welded member, all else being equal.

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