Quote:
Originally Posted by Freebyrd
Overdrive (on 3rd&4th gear) was fitted as standard on the Vauxhall VX4/90. Vauxhall's rival to the Mk. 3 Cortina. It certainly quietened the engine noise at 60-70 mph.
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I fitted a VX490 overdrive gearbox to my Bedford CF Ambulance (caravanette conversion). It helped greatly with economy and noise when cruising.
