Chris's new build of an MX5 based car

[CTWV50]

Originally Posted by CTWV50

Staniforth gives a wheel rate of 76.25lb/in whereas hypercoils gives an effective wheel rate of 72.55lb/in.

OK this is because I told one calculator what springs I was using (450lb/in) and one calculator was telling me what springs I should use (430lb/in).

If I put 430lb/in into the Staniforth calculator i get 72.285lb/in. Same as hypercoils pretty much!