Type 44 and C4 seat mountings the same?

[Eyvind Spangen]

I have manual seats in my '90 100. Can I install manual sport seats
from an Ur-S4, or do they have a different mounting rail width?
(I'm in Europe, so both manual seats and S4 seats are easy to get)

Finding type 44 sport seats that are not worn is difficult, and most
V8 seats have power adjustment..

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E. Spangen (uten penger)
'90 Audi 200TQ 20v (uten skilter)
'96 DBS Kilimanjaro (uten problemer)