Granatelli performance springs?
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Let me clarify my post. From my own personal observations/experiences the spring rates of after market springs were not always readily available, therefore it made it difficult to put together a proper suspension package around these springs. i.e which sway bars, shocks, etc. Some manufactures still don't list their spring rates and a lot of them don't even list the ID and OD's of their sway bars. I guess they just want us to take their word for it that their springs/bars are "better." Of-course one still has to define "better."
I believe that Sam was one of the first F-Body parts vendors that clearly listed/stated what his spring rates are, which IMHO is what made them so popular.
I believe that Sam was one of the first F-Body parts vendors that clearly listed/stated what his spring rates are, which IMHO is what made them so popular.
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I agree with MLS above, however I'd like to add this that some manufacturers like us to take their word for being "cost less, but just as good or good enough."
I too fell for that once and decided against purchasing items with vague and ambiguous information when I began to rediscover (revisited my racing knowledge in my mechanical engineering statics and dynamics courses) how suspension works. Whilst materials and/or manufacturing maybe partially considered of "proprietary" information from the manufacturer/vendor, I don't and won't consider spring heights, spring rates to be excused by "proprietary" labeling for consumer applications, regardless of street and/or club racing.
I too fell for that once and decided against purchasing items with vague and ambiguous information when I began to rediscover (revisited my racing knowledge in my mechanical engineering statics and dynamics courses) how suspension works. Whilst materials and/or manufacturing maybe partially considered of "proprietary" information from the manufacturer/vendor, I don't and won't consider spring heights, spring rates to be excused by "proprietary" labeling for consumer applications, regardless of street and/or club racing.