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ladder bar set-up ????
#1295922
09/02/12 09:43 PM
09/02/12 09:43 PM
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Joined: May 2005
Posts: 1,030
ohio
67mprfan
OP
super stock
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OP
super stock
Joined: May 2005
Posts: 1,030
ohio
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Hi guys who ladder bar set-up would you use and why, my car is currently set-up with a leaf link system and is already backhalfed planning ahead for winter upgrade......unless someone can tell me how to get this thing to 60ft better 1.50 is the best,,,,,,,Thanks....btw the way use leaf springs or coilovers
71 demon stock stroke 440/indy ez-1 running 10.10 @ 132.14 mph in the 1/4 and 6.36 @ 107.46 mph in the 1/8 not in the same weekend but It did it then I sold it.
67 Belvedere that worked it's way in the 10's
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Re: ladder bar set-up ????
[Re: 67mprfan]
#1295923
09/02/12 10:22 PM
09/02/12 10:22 PM
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Joined: Jan 2005
Posts: 4,243
Charlotte, North Carolina
sgcuda
master
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master
Joined: Jan 2005
Posts: 4,243
Charlotte, North Carolina
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I really like the newest design Outlaw bars. Much thicker lower bar, more adjustability for pinion angle changes. I went from S/S leafs with spring clamps and a snubber, to ladder bar and coilovers. Best change I ever made.
[image][/image]
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Re: ladder bar set-up ????
[Re: 67mprfan]
#1295924
09/03/12 02:11 AM
09/03/12 02:11 AM
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Joined: Aug 2003
Posts: 43,333
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,333
Bend,OR USA
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My car(3450 lb Duster, 727 with the Mopar 2.77 low gear set, Dana 60 wth 4.10 gears with Strange Engr 35 spline spool and axels,Oregon pump gas through the mufflers with the air cleaner on  ) ran a 1.394 60 ft and 10.01 at 132. MPH and another 1.401 with a 10.04 at 131.9 MPH this weekend with 1/4 Max ladder bars and Strange Engr. double adjustable coil overs with 150 lb springs, extension set at 5 clicks form dead soft and 4 clicks on the compression, 10.5x31x15W M/T ET drag slicks, there is more left in it, I need to test it some more and try the different settings on the shocks on a good track 
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: ladder bar set-up ????
[Re: duster408]
#1295932
09/03/12 11:20 PM
09/03/12 11:20 PM
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Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366
I Live Here
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I Live Here
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
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S&W double adjustable ladder bars and QA-1 single adjustable coil overs,, mid to upper 1.30 60ft's, at 3170# good price and good quality and they just plain work. 
Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
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Re: ladder bar set-up ????
[Re: 67mprfan]
#1295934
09/03/12 11:57 PM
09/03/12 11:57 PM
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Joined: May 2005
Posts: 1,030
ohio
67mprfan
OP
super stock
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OP
super stock
Joined: May 2005
Posts: 1,030
ohio
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here a couple of pics of what i have now
71 demon stock stroke 440/indy ez-1 running 10.10 @ 132.14 mph in the 1/4 and 6.36 @ 107.46 mph in the 1/8 not in the same weekend but It did it then I sold it.
67 Belvedere that worked it's way in the 10's
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Re: ladder bar set-up ????
[Re: 67mprfan]
#1295938
09/04/12 03:24 PM
09/04/12 03:24 PM
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Joined: Aug 2003
Posts: 43,333
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,333
Bend,OR USA
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After looking at your pictures I would convert it to a 4 link with coil overs and a panhard bar or diagonal link to locate the rear end on the side to side location. You will see a gain on the coil overs versus your current set up, make sure and buy a good set of externally adjsutable coil overs with long enough travel to make the car ride and respond well to the changes, like many things in life, longer is better than shorter    My coil overs are 16.5 inches end to end extended with around seven inches of travel, mine is a street car so keep that in mind. Mine go through the trunk floor for the upper mounts and are mounted onto the roll bar down bars in the trunk, no bending or signs of stress to them so far, six yeas on the street and strip, 300 to 400 passes and 1300 street miles or so  O I use to drive another Duster with single adjustable AVO brand coil over shocks that had three inches of travel  it was a foot brake car and it would top the rear shocks out on the starting line when foot stalling it above 3000 RPM   My message is to get coil over shocks with enough travel to use on your car I have 150 rate springs, some racers like 130 lb rate on there coil over cars, mine work fine for me, maybe they should be softer  IHTHs
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: ladder bar set-up ????
[Re: Cab_Burge]
#1295939
09/04/12 04:19 PM
09/04/12 04:19 PM
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Joined: Jun 2003
Posts: 9,225
Charleston
sixpackgut
Drag Week Mod Champion
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Drag Week Mod Champion
Joined: Jun 2003
Posts: 9,225
Charleston
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i dont know jack sh%$ but the way i see your setup, it looks like an endless instant center. that is the same suspension pro stocks used in the 70s and it worked. i would lower the top bar a hole, maybe raise the spring eye a hole and work with what you have before spending the money on changing it. your car is not really that fast plus you have a huge tire on the back. i dont think ladders would pick you up that much
Last edited by sixpackgut; 09/04/12 04:22 PM.
Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram
performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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Re: ladder bar set-up ????
[Re: sixpackgut]
#1295940
09/04/12 06:00 PM
09/04/12 06:00 PM
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Joined: Jan 2003
Posts: 4,101
Shelby Twp. Mi
HardcoreB
master
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master
Joined: Jan 2003
Posts: 4,101
Shelby Twp. Mi
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Quote:
i dont know jack sh%$ but the way i see your setup, it looks like an endless instant center. that is the same suspension pro stocks used in the 70s and it worked. i would lower the top bar a hole, maybe raise the spring eye a hole and work with what you have before spending the money on changing it. your car is not really that fast plus you have a huge tire on the back. i dont think ladders would pick you up that much
Well I read the original post this AM and I was thinking the exact same thing!...EVERYTHING Sixpac said. You have some decent pieces in that motor and at 3000lbs with driver SOMETHING ELSE is wrong. If everything looks safe under the car e.g.- weld integrity etc...I would only put a good pair of shocks on it. Maybe D.A. Strange without the coilovers or even the adj Rancheros. That MPH reflects about flywheel 525 HP. I'd suggest some of the more frequent oversites;
1)Hoodscoop and/or sealing problem
2)Carb improperly adjusted
3)What sparkplugs and gap AND wires? AND ignition?
You'd be surprised how much ET/MPH you can loose from those 3 alone.
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Re: ladder bar set-up ????
[Re: VernMotor]
#1295943
09/04/12 07:27 PM
09/04/12 07:27 PM
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Joined: Jul 2012
Posts: 153
Plant city fl
70Dart499
member
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member
Joined: Jul 2012
Posts: 153
Plant city fl
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IMO if the ladder bar setup is in the budget, do it. I recently converted my Dart from SS springs to coil overs and DA shocks, and my 60' and my ET immediately dropped 2 tenths, and that was with a carb issue that caused the engine to run like crap. The car launches so much better with the ladders also, its smooth and straight every time. If you have the ladder bars done, have them done by a reputable shop that can adjust them properly before you take the car to the track and you probably wont really need to touch them unless you WANT to tweak on them. If you go to the ladders, you won't regret it. JMHO
Last edited by 70Dart499; 09/04/12 07:28 PM.
1970 Dart Drag Car
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Re: ladder bar set-up ????
[Re: 67mprfan]
#1295948
09/06/12 02:46 PM
09/06/12 02:46 PM
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Joined: Mar 2008
Posts: 307
OH
TheBlackCar
enthusiast
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enthusiast
Joined: Mar 2008
Posts: 307
OH
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My Duster has a leaf-link in it, but it differs a bit from what you have there. My upper housing bracket has 2 holes and the front is a modified stock framerail. The car doesn't have near the tire you do and 60'd in the 1.36-1.38 range at Norwalk, 1.40 everywhere else with a tired ole motor at 3150#. As mentioned, I would address some other things before changing the suspension.  Good Luck
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Is your leaf spring mounts to the rear end housing a floater? It doesn't look like it is the reason I'm asking, I'm not even sure if it should be or not 
