Suspension, what's next? need help
#1347685
12/08/12 01:44 AM
12/08/12 01:44 AM
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Joined: Sep 2012
Posts: 1,563 Janesville, WI
SpareParts
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http://www.youtube.com/watch?v=SNR4ELAoM6oSo Based on the little bit you can see of the leave what do I need to focus on now? basic rundown is, SS springs 2800lb solid eye bushings, /6 T bars,MP rear shocks, Calvert fronts, stock A arms and front susp. SS springs are clamped on every leaf (testing showed improvement) This car hooks but the 60' seems slow to me. You'll notice I gave up the win light (and a lil dough) but what's the first thing that comes to mind that you see needs a change? Thanks guys
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Re: Suspension, what's next? need help
[Re: SpareParts]
#1347686
12/08/12 02:07 AM
12/08/12 02:07 AM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
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Master
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The front lifts but the rear doesnt do anything... first would be rear shocks... get some adjustable ones and the rear tire pressure looks high
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Re: Suspension, what's next? need help
[Re: MR_P_BODY]
#1347687
12/08/12 03:25 AM
12/08/12 03:25 AM
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Quote:
The front lifts but the rear doesnt do anything... first would be rear shocks... get some adjustable ones and the rear tire pressure looks high
I would definitely agree on tire pressure, freezing cold night and I was worried about the car moving around up top so for stability I kept pressure in it to avoid pedaling. What's your take on the rancho/calvert adjustable rear shocks? Thanks much
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Re: Suspension, what's next? need help
[Re: SpareParts]
#1347688
12/08/12 03:45 AM
12/08/12 03:45 AM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
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Quote:
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The front lifts but the rear doesnt do anything... first would be rear shocks... get some adjustable ones and the rear tire pressure looks high
I would definitely agree on tire pressure, freezing cold night and I was worried about the car moving around up top so for stability I kept pressure in it to avoid pedaling. What's your take on the rancho/calvert adjustable rear shocks? Thanks much
The Rancho 9 way would be the MINIMUM... alot of guys use them with the Caltrac but they are IFFY with SS springs... but from your vid I would say to try them... you lacked any lift in the rear that you should get from SS springs... what gear are you running
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Re: Suspension, what's next? need help
[Re: SpareParts]
#1347690
12/08/12 09:29 AM
12/08/12 09:29 AM
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Joined: Nov 2009
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dennismopar73
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Quote:
4.30 gear, 28" tire. These shocks are probably two years old now going on three. Not sure how long they should last.
More info needed!! tq vert stall / flash, leave rpm tire pressure you are running now, and carb?
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Re: Suspension, what's next? need help
[Re: SpareParts]
#1347695
12/08/12 12:37 PM
12/08/12 12:37 PM
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Joined: Jan 2003
Posts: 9,996 Frostbitefalls MN (Rocky&Bullw...
gregsdart
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If you go to the roundy round section of an AFCO catalog there is a lot of info on rear shackles and the effect of different setups. Well worth reading. If you have no rear lift, I suspect you have too stiff of a set of SS springs, poor shackle setup, bind, or some or all of the above. Too stiff on the shocks could be a culprit, although with SS springs that is very hard to achieve due to their very high leverage. The only other thing I could think of is spin at the hit(I didn't watch the vid, so,,,,) I put a set of 002 and 003 springs on a 3300 lb Dart I am building and used stock shackles. It is stiff as all get out back there now. Not what I wanted. I should have bought the ones for a 2800 lb car instead. It is much better to have a low spring rate and control it with shocks and clamps than too stiff a spring, which can't be fixed without replacing them.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
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Re: Suspension, what's next? need help
[Re: SpareParts]
#1347698
12/08/12 01:34 PM
12/08/12 01:34 PM
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Dodgem
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Quote:
I think in the spring I'll try and remove some of the clamps on the rear segment of the springs. I actually tried 002/003 springs this year but it would knock the tires right off on the prepped street. The 2800lb springs will pick the fronts on a decent concrete street after a proper burnout.
My ss springs were always best with rear segments unclamped. Long drag shocks and or shock extensions. just a clamp 6" behind axle let them fan out on launch.
with the cal tracs SS springs and 9 way adjustable was best with rear of springs unclamped and shocks at 7 for foot braking.
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Re: Suspension, what's next? need help
[Re: SpareParts]
#1347701
12/08/12 03:19 PM
12/08/12 03:19 PM
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Joined: Aug 2003
Posts: 43,163 Bend,OR USA
Cab_Burge
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Last edited by Cab_Burge; 12/08/12 03:25 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Suspension, what's next? need help
[Re: SpareParts]
#1347705
12/08/12 06:32 PM
12/08/12 06:32 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
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Shackle angle is fine, made sure I paid attention to that. Cal tracs will not be seen on this car for as long as I can avoid it. They make things easier but I'd rather do the homework and keep it spring only. Less is more approach is kinda what the car goes by.
Keep the front segments as stiff as possible.. take the clamps off the rear segments... that'll give you as much rotation as possible... then its up to the shocks to control the lift... then IF needed you can add clamps on the rear(but I doubt it)
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Re: Suspension, what's next? need help
[Re: MR_P_BODY]
#1347706
12/08/12 08:10 PM
12/08/12 08:10 PM
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Joined: Jan 2003
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gregsdart
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one other item in that Afco article was the relationship of the spring surface to the spring seats. If there is any difference side to side (camber) that really messes with spring rate.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
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Re: Suspension, what's next? need help
[Re: MikeyT]
#1347708
12/08/12 08:53 PM
12/08/12 08:53 PM
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Joined: Sep 2012
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mikeQuote:
Shackle angle is fine, made sure I paid attention to that. Cal tracs will not be seen on this car for as long as I can avoid it. They make things easier but I'd rather do the homework and keep it spring only. Less is more approach is kinda what the car goes by.
Boy< ain't that the truth!
Lol, ^^^^ this guys seen the car in action. Did I surprise ya Mikey?
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Re: Suspension, what's next? need help
[Re: Cab_Burge]
#1347713
12/09/12 10:56 AM
12/09/12 10:56 AM
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Joined: Apr 2007
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Dartwizer
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Put a Good set of true leaf springs and Good double adj.shocks, and go have some fun....
What are a "good set of leaf springs" I had my best luck with a A body using a BB with Ma Mopars 002/003 leafs, street and strip
I used the 002/003 leafs myself,had good luck with them.They wore out,put a new set of 002/003.Not so good,maybe the vendor is different now.Had Gregg Luneak at Tri City Launcher make me a set for my 70 Dart. Cheap,no.But they work for me.
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Re: Suspension, what's next? need help
[Re: moparguy7074]
#1347716
12/09/12 11:19 AM
12/09/12 11:19 AM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
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What about a pinion snubber? Is one required with the ss springs to achieve maximum body lift?
A pinion snubber was a bandaid on stock wornout springs... if the spring is doing the job properly it will give lift.... I believe the rear clamps are most of his problem due to the fronts trying to lift but as it does the rear is trying to pull it back down so it ends up as a wash in his case
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Re: Suspension, what's next? need help
[Re: MikeyT]
#1347720
12/09/12 03:51 PM
12/09/12 03:51 PM
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Joined: Sep 2012
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I had my best luck with CalTracs and mono leafs. It feels a lot firmer when leaving than the SS springs did. I thought the 002/003 springs were for a 2800 LB car
Ted, I keep telling the kid, that, but he doesn't believe me! He insists on doing stuff the hard way!
PS. I do respect him for it too. Mike
If I liked easy I'd have an LS1 camaro with half the money in it and go a second faster
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