Wino rider, you're usuing a post c-record, record derailleur with those?
Junk Yard, if campy 8 and shimano 7 have the same spacing then so whould shimano 8 as you can use 8 speed shimano shifters with 7 speed cassettes/freewheels no problem because the spacing is the same.
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1 Super Record bike, 1 Nuovo Record bike, 1 Pista, 1 Road, 1 Cyclocross/Allrounder, 1 MTB, 1 Touring, 1 Fixed gear