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Old 09-19-2015, 11:58 PM
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Default Rear spring spacer/insulator question.

Anyone know the specifics of what the spring insulator material is between the batwing and the spacers above the spring? I don't have either the spacers or the insulators, but the spacers look easy enough to fabricate. I'm mainly curious what the insulators are. I've kicked around using some stainless shims for insulation, but I'm just curious what the factory used.

Any help is appreciated. Thanks.
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Old 09-20-2015, 10:16 PM
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What year are you referring to? Fiberglass spring?
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Old 09-21-2015, 01:35 AM
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What year are you referring to? Fiberglass spring?
C4 batwing and spring.
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Old 09-21-2015, 07:55 PM
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Apparently, if I understand correctly, whatever the original insulator shim was it's no longer available. So, any suggestions for a somewhat durable material that will withstand the compression of being sandwiched between two pieces of aluminum (the batwing flange and the spacer)? Stainless steel is my fallback material if something better doesn't pop up.

Thanks.
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Old 09-21-2015, 11:04 PM
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when you buy a VB and P fibreglass spring for a C3 you get two pieces of a black plastic to replace the thickness of an original steel spring . One goes hard up against the bottom of the diff housing so they must be ok with the heat .

I would try maybe seeing if vb and p could sell you some or at least try to find the equivalent ???

its way lighter than stainless !!!!!
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Old 09-22-2015, 01:35 AM
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Quote:
Originally Posted by bazza6977 View Post
when you buy a VB and P fibreglass spring for a C3 you get two pieces of a black plastic to replace the thickness of an original steel spring . One goes hard up against the bottom of the diff housing so they must be ok with the heat .

I would try maybe seeing if vb and p could sell you some or at least try to find the equivalent ???

its way lighter than stainless !!!!!
Well, the two stainless shims are only going to be 1" x 2", and about .060" to .080" thick. Ounces at the most.
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Old 09-22-2015, 12:52 PM
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The VBP urethane spacer on top of my VBP plastic spring is about 1/2" thick and 4-5" long and about 4" wide sounds like just cut one in 1/2 and done....
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Old 09-28-2015, 12:55 AM
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The VBP urethane spacer on top of my VBP plastic spring is about 1/2" thick and 4-5" long and about 4" wide sounds like just cut one in 1/2 and done....
It's a C4 batwing and spring. Not a C3. Apples and oranges.
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Old 10-16-2015, 12:24 AM
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Finally occurred to me that I've got some insulators in the C4 suspension under my '51 Chevy pickup. The truck's torn apart at the moment so I decided to borrow these parts, and just replace them (with something) down the road. The insulating material looks similar to bakelite, or something along those lines.

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