theDBs
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i found the post about rear end ratios by 38 buick so i'll read that & join in.
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Hello,
we are new forum users,i'm not sure where to post this.
we are rebuilding (in the UK) a 1937 40 series 2dr coupe for the Peking to Paris Rally in May this year, we have 40 series ring & pinion (4.4:1 ratio) which is very worn, but would like to raise the gearing so looking in the Shop Manual the ring & pinion for a 60 series (3.9:1) lookjs as though it would fit, having contacting Bobs Automobilia & found they are not obtainable, he thinks a later model may fit but is not sure if & what later models will fit.
Does any one know if & what later models of 3.9:1 ratio 60 series will fit our 40 series
1938 3.615 Rear End Ratio Gear Set Available
in Buick - Pre War
Posted
hi there
overdrive spares in the uk make a possible overdrive unit that will fit but it isnt cheap at the moment at around £700
it is 15" long, 7" wide, 4.5" below centre line of prop & 3" above, this can be adapted to fit in the torque tube easy enough.
see www.odspares.com - conversions for view.
i would be interested in the new ratio at $1800 if we could decide on a spec (ie ring size which i think is 9.375" & ratio) & order as time is running out for me, (car has to be loaded in early May to go to Peking for Peking to Paris rally)
Chris