Super Stocks Springs have i reached the limit?

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ns1rm21 said:
Here is a question for you and I don’t think I’ve seen an answer yes. How old are the springs and How heavy is the car? I have sold well over a hundred pairs of those springs in the past and have gotten tons of feedback from follow racers. On a heavy car (3500lbs and over) I would see mid 10sec cars start to slow down after 250-300 passes. NOS and trans brake cars a little sooner.

The older springs…springs built in the 2001+/- and older would last longer than the current springs.

Removing and playing with the clamps did change things around. More clamps on the front and less clamps on the rear would plant the tire more but soften up the hit.

Last but not least a fun fact for you all. When these springs were being designed and made for the Super Stock Hemi Dart and Cudas. The leaf spring pads on the diff were rotated different degrees from left to right. One side the pad was set 2 degrees down and the other side was set at 6 degrees down. This kept the springs from being preloaded when bolting them on the car.
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I purchased these springs in 2016, the car ran 11's at that point, the last 3 years in the high to mid 10's and now low 10's
 
In my opinion the only way a pinion snubber works is it must be adjusted to within 1/4” to 1/2” away from the floor pan. If your front suspension is working properly disregard. The reason why is remember, Mopar leaf spring cars rises in the rear at launch and then settles down. That means the floor pan goes away from the snubber making it useless. Also driving the car around on the street you will feel every bump.

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ns1rm21 said:
In my opinion the only way a pinion snubber works is it must be adjusted to within 1/4” to 1/2” away from the floor pan. If your front suspension is working properly disregard. The reason why is remember, Mopar leaf spring cars rises in the rear at launch and then settles down. That means the floor pan goes away from the snubber making it useless. Also driving the car around on the street you will feel every bump.

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Not bragging, but my leaf spring car worked great, and ran 9’s, not a lightweight either.(3350 with me)
I threw the snubber in the trash very early on. Beat the hell out of the car, and unloaded the tires sometimes.
Never tried it again
 
ns1rm21 said:
In my opinion the only way a pinion snubber works is it must be adjusted to within 1/4” to 1/2” away from the floor pan. If your front suspension is working properly disregard. The reason why is remember, Mopar leaf spring cars rises in the rear at launch and then settles down. That means the floor pan goes away from the snubber making it useless. Also driving the car around on the street you will feel every bump.


If you use a split mono leaf from Calvert and it is sized correctly to your car's weight, the rear end will remain stationary or even drop slightly as the tires hit the track, but it is the same effect, the snubber would be moving away from the floor pan.
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The snubber was to control axle wrap-up where the pinion tried to climb up the ring gear tipping the whole pinion upward. The snubber would limit the amount of axle wrap-up effectively reducing/limiting the leafs from looking like a letter 'S'. But as noted, if you have springs that provide for body/axle separation, the snubber is really just a paperweight on top of the center chunk.
 
There are so many better solutions to spring wrap than a pinion snubber. Also, if you are spring wrapping an A body SS front spring section, you are far beyond a pinion snubber. A pinion snubber tries to move(when in contact with the floor) the instant center back to the rear and up. Increasing your % of rise in a very big way. Violently. This in a car that already has a bunch of % of rise.
 
I don’t think anybody really has any delusions on S/S springs about their capabilities except those that forget they were designed many many years ago. The engine’s abilities of yesteryear are a far cry against todays performers.

Today’s solutions are great.
 
B3422w5 said:
Not bragging, but my leaf spring car worked great, and ran 9’s, not a lightweight either.(3350 with me)
I threw the snubber in the trash very early on. Beat the hell out of the car, and unloaded the tires sometimes.
Never tried it again
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I may have to ditch the snubber and try it without.
 
With all this being said and everyone “thinking and guessing” put some white grease on the snubber bumper and make a pass. See if it hits the floor and did it make a difference in 60ft times. Simple.
 
I remember checking out a factory LO SS in the mid 80's that had a 1" threaded rod from inside the car as a pinion snubber.
4 speed car.
 
4mopwr said:
I remember checking out a factory LO SS in the mid 80's that had a 1" threaded rod from inside the car as a pinion snubber.
4 speed car.
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That was done by the racer and was a cool trick back in the day but it was not done by Hurst.

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