I have only seen one broken and it was an early TR3 case. In the hot rodding
circles they use a plate at the back of the engine that extends all the way to
the frame and provide a mid mount. On the TR6 and GT6 I could see making a new
engine plate to provide this mid mount but on the wet liner engines there is no
plate. I suppose one could engineer a thicker flywheel to take up the 1/4"
plate thickness and do it.
Bob Kramer
rkramer3@austin.rr.com
---- Van Mulders Marcel <van.mulders.marcel@telenet.be> wrote:
> In 2 years, I had 4 broken gearbox casing : maybe one of these can be
> repaired : it has a crack where the bottom of the gear casing and the rear
> wall are mating. Considering the weight of the engine and gearbox, the
> stresses at that point must be very high : the 4 cylinder TR's have 2
> mountings at the front of the engine and 1 mounting at the gearbox
> extension. A gearbox with overdrive has this rear mounting at the very end
> of this extension : the shearing force between casing and extension must be
> very high, one should think that the rear wall of the casing should be
> pulled out all the time in racing. Has someone tried welding a gearbox
> casing?
> Marcel
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