Rubbers on traction bars - Team Camaro Tech
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post #1 of 8 (permalink) Old Feb 25th, 18, 01:05 PM Thread Starter
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Rubbers on traction bars

My car is a 67 with traction bars and frame connectors. Looking underneath at the snubber rubbers on the front of the tractionís bars, driverside the snubber is touching the spring leaf other side is not. The car is level left to right. Why does one touch and not the other? Do I need to correct this and how would I?
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post #2 of 8 (permalink) Old Feb 25th, 18, 03:29 PM
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Re: Rubbers on traction bars

It is preloading the spring for a straight launch.

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post #3 of 8 (permalink) Old Feb 25th, 18, 04:06 PM Thread Starter
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Re: Rubbers on traction bars

Larger Dave can you explain.
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post #4 of 8 (permalink) Old Feb 25th, 18, 05:03 PM
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Re: Rubbers on traction bars

You can "tune" them (adjust) to get your car to go straight on launch, so yes, normally one will be closer than the other

68 Camaro~LSx ~all motor
1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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post #5 of 8 (permalink) Old Feb 25th, 18, 05:21 PM
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Re: Rubbers on traction bars

By tightening the bar's clamps to draw it up against the spring you are flatening out the spring which puts a load on the spring (hence preloading). Springs are rated at pounds per inch of deflection, so it doesn't take much of a deflection of the spring to generate 300 pounds to 600 pounds of preload.

How much load you put on the spring is determined by how your car launches. You can tune the bars change tire pressure and if you have a posi add clutch discs or increase the spring rate of the coil springs inside your posi unit to drive the car in a straight line upon launch.

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post #6 of 8 (permalink) Old Feb 25th, 18, 07:22 PM Thread Starter
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Re: Rubbers on traction bars

Does it make the car ride a little harder with the rubbers up tight to the leaf?
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post #7 of 8 (permalink) Old Feb 25th, 18, 08:36 PM
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Re: Rubbers on traction bars

Quote:
Originally Posted by Rls8836 View Post
Does it make the car ride a little harder with the rubbers up tight to the leaf?

Yes it does.

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post #8 of 8 (permalink) Old Feb 25th, 18, 08:44 PM Thread Starter
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Re: Rubbers on traction bars

Thanks
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