Ladder Bar Question
#1341233
11/25/12 06:58 PM
11/25/12 06:58 PM
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Joined: Oct 2007
Posts: 3,978
Hilltown Pa
1967dartgt
OP
master
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OP
master
Joined: Oct 2007
Posts: 3,978
Hilltown Pa
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Would you run a 32 or 36 in long ladder bar in a a-body? Why, what is the difference if both are double adjustable? What would you gain with the longer bar?
Brett Miller W9 cnc'd heads
STR Chassis fabraction
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Re: Ladder Bar Question
[Re: B G Racing]
#1341236
11/25/12 09:43 PM
11/25/12 09:43 PM
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Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
bigtimeauto
Trophy Winner
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Trophy Winner
Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
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I have S&W 32's in mine. packaging a longer bar would be a pain without any bonus in traction.
keep in mind ladder bars need good shocks with high horsepower
BB, TT5,Procharged 3300lb Street Car 4.79/154
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Re: Ladder Bar Question
[Re: dennismopar73]
#1341241
11/25/12 10:34 PM
11/25/12 10:34 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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Quote:
I put 36 bars in mine!!
We have also put in the 32 as well, the 36 bars work better jmo! keeps the car planted
one car goes up,, , mine 60ft faster!! same car, same gearing, bars set the same! , he has bigger motor by 70 cci
no difference in money they priced the same
thats what I put in mine when I added the dana several years ago, they 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 Question
[Re: 1967dartgt]
#1341242
11/25/12 11:51 PM
11/25/12 11:51 PM
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Joined: Jan 2003
Posts: 6,142
Melbourne , Australia
LA360
master
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master
Joined: Jan 2003
Posts: 6,142
Melbourne , Australia
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A longer bar will be easier on a small tire, but as have been stated, a 36" bar isn't going to package as well. The Cross member for a 32" bar will sit in the recess of the floor pan, the cross member for the 36" bar won't.
Alan Jones
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Re: Ladder Bar Question
[Re: Wedgeman]
#1341245
11/26/12 07:28 PM
11/26/12 07:28 PM
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Joined: Mar 2006
Posts: 9,836
MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,836
MI, usa
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Quote:
At what power level 36in long is better ?
500hp ?
600hp ?
Dan
67 Barracuda
Indy headed 408
6.75 1/8 mile
Think about C/G. if the car is 52/48 w/108" wheel base the C/G is aprox 56" forward of the axle. With a 116" wheel base at the same weight distribution it's now aprox 60" forward of the axle. Why would both cars want the same length bar? Look at 4 link instant center locations, they're in the 40" to 50" range. As the power goes up the I/C goes out and down. How much is too much? We'll find out. My bet until you're up around 800-900 HP it may not even matter. You know the rule, bars level to the ground fits all power levels and wheel bases. The bottom line for sure is that shocks are more important than anything.
Doug
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Re: Ladder Bar Question
[Re: dvw]
#1341246
11/26/12 09:05 PM
11/26/12 09:05 PM
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Joined: Apr 2005
Posts: 1,505
TN
SCATPACK 1
pro stock
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pro stock
Joined: Apr 2005
Posts: 1,505
TN
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Good info here, does it matter how wide the bars are apart at the back of the ladder bar?
Old Geezer Racing
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Re: Ladder Bar Question
[Re: SCATPACK 1]
#1341247
11/26/12 09:09 PM
11/26/12 09:09 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
Good info here, does it matter how wide the bars are apart at the back of the ladder bar?
I install them as wide as I can(just inboard of
the frame rails)... gives better stability
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Re: Ladder Bar Question
[Re: MR_P_BODY]
#1341248
11/26/12 09:31 PM
11/26/12 09:31 PM
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Joined: Apr 2005
Posts: 1,505
TN
SCATPACK 1
pro stock
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pro stock
Joined: Apr 2005
Posts: 1,505
TN
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Thanks Mike, but what I should have asked, does it make any difference how wide the top bar is from the bottom bar in the back where it attaches to the axle tube? A skinny bar just looks better and I may not have to cut up my floor boards, but what is the minimum you can get by with?
Or do they work better with a max width for best results?
Old Geezer Racing
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Re: Ladder Bar Question
[Re: SCATPACK 1]
#1341249
11/26/12 10:02 PM
11/26/12 10:02 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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The ladder bar bracket dictates that(most are pretty close to the same span)... farther away from the axle centerline has a better leverage factor BUT can increase wheel stands
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