North American Turbocoupe Organization

spring rate questions......
Kuch Offline
I am looking at some different springs to put in the 88 TC and I have some questions on spring rates. I noticed the ford "B" springs have a rate listed as 425/530 for fronts and 200-300 for rears, these are not listed as progressive so what gives? Also the "C" springs list the fronts as straight 600 and the rears as 200-300, same question on rates. I think I found some that are a nice compromise in the BMR springs with fronts at 535 and rears at 235. What do you all think on these, I already have some MM rear control arms with adjustable spring perches for the install. Does anyone have the factory TC spring rates for comparison? Thanks
1988 Turbo Coupe, Black/Black, 5 Speed, Moonroof, T3/T4 50 trim, 255LPH, BBK AFPR, 3" DP dual 2.5", MGW shifter, K&N, Gillis valve, RR cam
1964 Ford Galaxie 500XL, 390 6V, 4 Speed, Vast and fast
1960 Ford Starliner, 292 Y Block, 3 Speed, slow and low

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