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Re: Traction problems HELP!!!!!!!!!
[Re: Cape]
#778658
08/19/10 11:40 PM
08/19/10 11:40 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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Yours should raise in the rear.... get the front to lift as easy as possible... get some decent shocks all the way around 
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Re: Traction problems HELP!!!!!!!!!
[Re: Cape]
#778659
08/20/10 12:59 AM
08/20/10 12:59 AM
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Joined: Aug 2003
Posts: 43,368
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,368
Bend,OR USA
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Good hooking leaf spring Mopars should lift the rear of the car up, not squat,  lifting up the rear helps push the tires into the track  Loose the pinion snubber, it is a bandaid at best, not a cure for the traction problem. Which SS spring are you using( the part number is on the springs behind the center bolt on the bottom leaf )BTw, what are you going to do on the broken rear end?
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Traction problems HELP!!!!!!!!!
[Re: Cape]
#778660
08/20/10 01:08 AM
08/20/10 01:08 AM
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Joined: Sep 2005
Posts: 1,328
St. Louis, MO
mopardamo
pro stock
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pro stock
Joined: Sep 2005
Posts: 1,328
St. Louis, MO
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Hello Cape, Over the years I have learned that traction in a car like yours is mainly in the front suspension and not the rear from guys like these. Get the front to rise properly and transfer the weight as needed. Damon
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Re: Traction problems HELP!!!!!!!!!
[Re: Cape]
#778663
08/20/10 04:09 AM
08/20/10 04:09 AM
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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:
The springs are 3800 ones and the gears they go in the shop tomorrow they were 4.10 but I think I'm going to switch to a 3.91. I had one guy tell me that 4.10 in a stick car is to much have u ever herd that?
What rpm do you go through the traps at... you would
like to cross the line at 10% above your peak hp rpm
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Re: Traction problems HELP!!!!!!!!!
[Re: Cape]
#778665
08/20/10 03:53 PM
08/20/10 03:53 PM
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Joined: Aug 2003
Posts: 43,368
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,368
Bend,OR USA
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I use to run a 1970 Hemi Cuda in NHRA stockback when we couldn't legally run after market leaf springs. I started racing it with 4.10 with 28 inch tall tires, I would shift into high gear about the 1200 ft. mark  I treid 4.89 and ended up putting 5:13 in it with 29 inch tall slicks, I should have left the 4:10 in it and worked on the suspension Try clamping the front of the leaf springs first before switching anyting else on the rear, BTW did I tell you that you need a Dana 60, not a 8 3/4   Save your money now, buy the Dana and don't break the 8 3/4 agian 
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Traction problems HELP!!!!!!!!!
[Re: Cape]
#778667
08/20/10 05:05 PM
08/20/10 05:05 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:
Ya I know I need a Dana but why is it that some people are running low 10 to high 9s using a 8 3/4 is there any way to make mine bullet proof? Or is it different because they use an automatic and I'm a stick car. Do u know anyone selling a Dana?
I run a 8 3/4 with a trans brake launching at 5600 BUT
my car is light.... weight is whats kills them...
if it cant spin just a little it will blow... JMO
A couple of thing that help them live is a back brace
and load studs coming in from the back of the housing
and touching the caps.... plus at least the one good
steel cap on the load side
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Re: Traction problems HELP!!!!!!!!!
[Re: Cape]
#778674
08/21/10 02:24 PM
08/21/10 02:24 PM
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Joined: Nov 2006
Posts: 1,460
oklahoma
forphorty
pro stock
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pro stock
Joined: Nov 2006
Posts: 1,460
oklahoma
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Quote:
I have the competition engineering 3 way adjustable shocks on all four corners the front set to 90/10 and the rear 50/50 and the rubber is still on the front and the front sits 11" off the ground from the oil pan. When the car launches it lifts up as much in the front as the back shouldn't the front be higher?
Your oil pan bottom is 11 inches off the ground? Sounds like it sits high. May not have much upward travel left in the suspension.
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Re: Traction problems HELP!!!!!!!!!
[Re: forphorty]
#778675
08/21/10 02:44 PM
08/21/10 02:44 PM
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Joined: Jun 2005
Posts: 6,257
gulfport, ms, west mi
rowin4
master
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master
Joined: Jun 2005
Posts: 6,257
gulfport, ms, west mi
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11" to the oil pan, no wonder your having a weight transfer problem. You probably have your car set to almost level which means you have to lower the rear and front to get the weight to transfer. I have about 4" to the pan on mine, and it's a 6" deep pan. Probably why I have to weld it up often.
it's ok to butt heads, just don't do it with a butthead
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Re: Traction problems HELP!!!!!!!!!
[Re: Cape]
#778676
08/21/10 03:35 PM
08/21/10 03:35 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:
I have the competition engineering 3 way adjustable shocks on all four corners the front set to 90/10 and the rear 50/50 and the rubber is still on the front and the front sits 11" off the ground from the oil pan. When the car launches it lifts up as much in the front as the back shouldn't the front be higher?
Take a floor jack and jack up the front... measure
the amount of travel... is this a off road 4X4
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