Rear Amphicar Shocks w/Small Diameter Spring - Rear Spring Specs?

[SNKR770]

I bought a set of Gordons plug and play rear shocks only to learn that they do not fit with my Cooker Radials. I would shim the tire and rim out but the previous owner did not account for this when they mounted the replacement quarter panel so the only two options I have left are switch back to the skinny bias ply tires or find a small diameter spring shock that will work. I prefer option 2.

I have spent a fair amount of time looking thru old posts and did not find the details around the rear shocks and am hoping someone knows the following information. I found a few related posts but they did not have all the information needed on the rear shocks.

Mounted Length
Extended Length
Compressed Length
Stroke Length
Spring Rate

I found these and other that having too much travel they look like they are a darn close fit. If I read this correctly it appears the spring is 2 5/8" diameter which is close to the original. I am not a fan of the chrome but at this point I can live with it.

Aluminum Small Body Coilover Shock, 4 Inch, 325 lb. Spring Rate

Pro shocks new aluminum small body coil over shocks are 3 way adjustable. They are fitted with 2-5/8" chrome spring and aluminum coilover kit and make one of the cleanest coil overs on the market for your street rod. Each shock features urethane mounting bushings with both 1/2" and 5/8" mounting...

www.speedwaymotors.com

Aluminum Small Body Coilover Shock, 4 Inch, 325 lb. Spring Rate
Universal Fit, 325 lbs. Spring Rate, 12.00" Mounted Length, Aluminum Shock Body Material 2 5/8" Spring Diameter


https://www.speedwaymotors.com/Alum...-Shocks-5-Inch-300-lbs-Spring-Rate,46605.html
Aluminum Small Body Coilover Shocks, 5 Inch, 300 lbs Spring Rate
Universal Fit, 300 lbs. Spring Rate, 13.10" Mounted Length, Aluminum Shock Body Material
2 5/8" Spring Diameter

Loading Products... | Speedway Motors, The Racing and Rodding Specialists

www.speedwaymotors.com

Any insight or comments good or bad is appreciated.

 

[SNOWBIRD]

I use to buy a Snowmobile shock and Mod, it to fit the original springs.
I now have a perfect Front shock I mod for late model shocks. Looks like Original when I'm done.I used the spring over.
But nothing for rears yet.

 

[SNKR770]

Thought I would post my final solution in case someone else runs into the same issue down the road.

I took the new Gordon shock apart and put my old spring on it. Ground down the large cup diameter on the new shock/dampener to my old spring diameter and installed. Fits perfect If a person new the spring rate for the rears you can get a set of springs cheap.