My Cuda Rear Leaf Springs are Rattling my Teeth Out!!
#1827050
05/15/15 01:49 AM
05/15/15 01:49 AM
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Joined: Oct 2014
Posts: 113 PA
Sir Valiant
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OP
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Joined: Oct 2014
Posts: 113
PA
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I'm guessing that my car has SS springs as it rides like an empty dump truck as stated in other posts and rides real high, especially with the new 17"'ers. I want to put other springs on but the springs have been moved in and the shocks are straight up and down. Can I just put stock plus 1"'s on, are they the same length? These are the best pics I have for now. The front hanger has 2 holes and it's already in the upper hole. Thanks!! http://mopar1.us/cuda/rear1.jpghttp://mopar1.us/cuda/rear2.jpg
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Re: My Cuda Rear Leaf Springs are Rattling my Teeth Out!!
[Re: Sir Valiant]
#1827189
05/15/15 12:14 PM
05/15/15 12:14 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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I would assume going back to regular springs would soften it and I would assume that all A body springs are the same end to end but iirc some (SS) the center pin is slightly forward or back from normal which is gonna locate the axle & actually the shock being vertical is giving you the most dampenening. OE +1" get recommended alot. I bought a 65 dart roller with 003/003 SS springs & they needed shock extensions but when done it rode high and tight/real nice.
live every 24 hour block of time like it's your last day on earth
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Re: My Cuda Rear Leaf Springs are Rattling my Teeth Out!!
[Re: Sir Valiant]
#1829505
05/18/15 09:16 PM
05/18/15 09:16 PM
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Joined: Jan 2003
Posts: 5,791 Hamilton, Ontario Canada
Magnum
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master
Joined: Jan 2003
Posts: 5,791
Hamilton, Ontario Canada
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The angle of the rear shocks are adding to the stiffness in the ride.
The further you lay a shock down, the less effective it will be. Straight up is the exact opposite.
Go after that problem before you swap springs.
69 Super Bee, 93 Mustang LX, 04 Allure Super
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Re: My Cuda Rear Leaf Springs are Rattling my Teeth Out!!
[Re: ahy]
#1849211
06/15/15 12:02 AM
06/15/15 12:02 AM
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Joined: Dec 2003
Posts: 22,696 Bitopia
jcc
If you can't dazzle em with diamonds..
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If you can't dazzle em with diamonds..
Joined: Dec 2003
Posts: 22,696
Bitopia
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"They just like just standard KYB's." Bingo
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
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Re: My Cuda Rear Leaf Springs are Rattling my Teeth Out!!
[Re: Sir Valiant]
#1849771
06/15/15 06:17 PM
06/15/15 06:17 PM
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Joined: Jan 2003
Posts: 28,067 Irving, TX
feets
Senior Management
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Senior Management
Joined: Jan 2003
Posts: 28,067
Irving, TX
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If the car was set up to use real SS springs and someone installed B/E body SS springs they would be too long. Stuffing them in the car would raise the rear end (as yours is) and they would be bent over too far to compress over bumps. It would ride incredibly stiff.
I learned that the hard way when I put the 69 B-body springs on the 65. The 65 main leaf is shorter. The springs were nearly inflexible.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind. - Stu Harmon
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Re: My Cuda Rear Leaf Springs are Rattling my Teeth Out!!
[Re: jcc]
#1849819
06/15/15 07:36 PM
06/15/15 07:36 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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"They just like just standard KYB's." Bingo Yeah, that's the problem, not. If your teeth are rattling it's isn;t the KYB's, unless they are seized or something like that.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: My Cuda Rear Leaf Springs are Rattling my Teeth Out!!
[Re: Sir Valiant]
#1850208
06/16/15 02:30 AM
06/16/15 02:30 AM
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Joined: Mar 2007
Posts: 3,281 West Coast, USA
jbc426
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master
Joined: Mar 2007
Posts: 3,281
West Coast, USA
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I had the same problem for years. I tried mono leafs and Caltracs, but they were brutal too.
I consulted with Dr Diff, and he solved the problem of the buckboard ride. He told me to use two passenger side Super Stock springs, but this time for a 1968 a-body. They are the 2800lbs springs.
It worked. My car rides better than it ever has, sits perfect and hooks up hard.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's 1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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Re: My Cuda Rear Leaf Springs are Rattling my Teeth Out!!
[Re: feets]
#1850432
06/16/15 01:37 PM
06/16/15 01:37 PM
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Joined: Jun 2006
Posts: 5,162 CT
GTX MATT
master
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master
Joined: Jun 2006
Posts: 5,162
CT
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If the car was set up to use real SS springs and someone installed B/E body SS springs they would be too long. Stuffing them in the car would raise the rear end (as yours is) and they would be bent over too far to compress over bumps. It would ride incredibly stiff.
I learned that the hard way when I put the 69 B-body springs on the 65. The 65 main leaf is shorter. The springs were nearly inflexible. This would be true. If the car sits up like that on the upper hole I think something is off. I bet you have B body S/S springs (454/455 or 456/457) in there instead of E body.
Last edited by GTX MATT; 06/16/15 01:39 PM.
Now I need to pin those needles, got to feel that heat Hear my motor screamin while I'm tearin up the street
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Re: My Cuda Rear Leaf Springs are Rattling my Teeth Out!!
[Re: Sir Valiant]
#1850471
06/16/15 02:15 PM
06/16/15 02:15 PM
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Joined: Dec 2003
Posts: 22,696 Bitopia
jcc
If you can't dazzle em with diamonds..
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If you can't dazzle em with diamonds..
Joined: Dec 2003
Posts: 22,696
Bitopia
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I'll disconnect the shocks and see if the ride is better but it still sits too high so these springs are coming out. That would be interesting, but not really informative. I suspect based on a number variables, it could possibly improve, I think your time would be better spent borrowing any other shock, to test and see if there is an improvement's at no cost. My guess is the shock is only part of the problem ( I never stated otherwise), and the low hanging fruit here, and KYB's have this reputation pf harshness (although Not all users concur), and I have had the same experience. Your spring package is the next change to consider. FWIW, I use composite springs, and will likely never consider anything else on my cars.
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
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Re: My Cuda Rear Leaf Springs are Rattling my Teeth Out!!
[Re: AARCONV]
#1850851
06/17/15 12:54 AM
06/17/15 12:54 AM
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Joined: Oct 2014
Posts: 113 PA
Sir Valiant
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OP
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Joined: Oct 2014
Posts: 113
PA
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