I am considering retrofitting my '77 B with an overdrive transmission. The
car is a blast to drive up to about 60 mph on the highway, when it becomes a
bit buzzy. I am also concerned at running the car at 3500 - 4000 R.P.M. for
long periods, as is required to achieve normal freeway speeds in direct
fourth. Can a transmission from an earlier B be fitted without difficulty?
What obstacles am I likely to encounter. The engine in my B has around 75K
miles on the bottom end, and had new rod bearings, and rings installed after
the cylinder walls were honed at around 69K miles. Oil pressure is a rock
solid 75 psi above idle, and 30-35 psi at 800 to 900 R.P.M. I have also
fitted an oil cooler. Oil is changed every 2500 miles (I run 20W50). Am I
too cautious about engine R.P.M.? Any help is appreciated.
MGBChris@aol.com
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