[fiedlerh]

This may not be complete or 100% correct:

Mfr Spacing Deck
Ford 3.937 8.900
Olds 4.016 8.100
Olds 4.016 8.840
Cadillac 4.020 8.100
Ford 4.020 8.189
Cadillac 4.020 8.840
Mopar 4.090 9.090
Buick 4.240 8.957
Buick 4.240 9.543
Ford 4.380 8.206
Ford 4.380 9.206
Ford 4.380 9.503
Ford 4.380 10.297
Chevy 4.400 9.025
Chevy 4.400 9.240
Mopar 4.461 9.252
Mopar 4.461 9.599
Pontiac 4.620 9.143
Pontiac 4.620 9.2437
Pontiac 4.620 10.2437
Olds 4.625 9.33
Olds 4.625 10.625
Ford 4.630 10.170
AMC 4.750 9.206
Buick 4.750 10.546
Buick 4.750 10.570
Mopar 4.800 9.980
Mopar 4.800 10.725
Mopar 4.800 10.870
Chevy 4.840 9.030
Ford 4.900 10.320
Packard 5.000 10.60325
Cadillac 5.000 10.814