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trw fiberglass leaf spring

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Old 07-09-2013, 04:47 PM   #1
vette400
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Default trw fiberglass leaf spring

I am looking at purchasing a TRW fiberglass leaf spring from a 1977 corvette. Does anyone know if this spring will fit a 1979 or what the difference it? Has anyone used these springs before and what do you think of them?
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Old 07-09-2013, 04:50 PM   #2
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Physically the spring is the same but do you know what the spring rate is?
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Old 07-09-2013, 05:07 PM   #3
vette400
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Spring weight is supposed to be 335 from what I was told. I have just seen some springs that say years 68-82 and others that say years 68-77/78-79/80-82. I did not know if the mounts were different from year to year.
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Old 07-09-2013, 10:21 PM   #4
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Just becarefull with trw they tend to make the ride hight high like my 74 issue they had or have I never got around to ask trw to exchange them I did email the guy on the forum from trw but no response my rear end sits pretty high even with the 8 inch bolts
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Old 07-10-2013, 01:55 AM   #5
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I'm very happy with my VBP leaf springs. The ride height was spot on right after install. I'd recommend them, as I've heard about issues with other springs in the past.
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Old 07-10-2013, 01:43 PM   #6
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I could be mistaken, but I didn't think mono-leaf springs were available in the '77 C3. In any event, a '77 spring is 35+ years old. Now, if the item is "dirt cheap" and you can verify that there are no cracks or stress-risers anywhere on the surface of the spring, why not?

Otherwise, buy a new one.
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Old 07-10-2013, 01:56 PM   #7
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If you want to go with wider tires in the future, you may want to go with a shortened spring from VBP.
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