Front coil spring replacement

[Mal57bbybrd]

Hi I am keen to replace the front coil springs with Aerostar variable rate springs as I have seen in a couple of restoration articles. Does any one know the free height (uncompresses) and installed (compressed) height of the original springs? The Aerostar springs I have seen are Moog CC850 with free height (uncompressed) of 11.65 inches and installed height of 8.75 inches. I need to know if these are suitable. From what I have read, these Aerostar springs give a stiffer ride and drop the front by 1 - 2 inches. Love to have comments and advice. Cheer Mal

[tchristian]

Did you ever find your answer to this question? I am considering lowering my '55 and would like to know if it worked for you (if you in fact made the swap).

[Mal57bbybrd]

No replies or answers yet! I was hoping someone on this forum could help.

[tchristian]

Originally Posted by Mal57bbybrd

No replies or answers yet! I was hoping someone on this forum could help.

I'm afraid I won't be any help. I'm looking for the same answer.

[gbhrps]

mal57bbybrd,

I wonder if you wouldn't get an answer from a Thunderbird parts supplier, such as Hill's Thunderbird Center? They sell new parts, but have entire used TBirds that they scavenge for parts that are no longer available or made, like control arms, etc.

They should be able to give you the dimensions of a new spring, and a used one as well, and one presently on a car. Just a thought.

Do a Google search for them. Good people, and they have a Technical number to call on their website. good Luck!

Gene

[fordrodsteven]

Any update? My '55 has a 302 / automatic in it now. The original engine / trans was definitely heavier. As a result of the powertrain swap my front rides a little higher. I was thinking about putting in dropped spindles but the spring change could be another option.

[paul2748]

Call Eaton Detroit Spring. They can make a set to account for the lesser weight.

313-963-3839