Engine frame

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The engine gearbox unit on the Libra is mounted to a purpose design frame, which in turn is bolted directly to the monocoque on the rear panel. The Libra utilises the standard Rover engine mount and the standard gearbox mounting. These mountings bolt directly to the engine frame. The standard Metro K Series bottom engine mounting is retained with a special engine steady rod, which bolts to the mounting and forward under the sump to the underside of the monocoque.

The engine frame tubes run backwards and provides the support for the bottom of the boot and at the far most end pivots for the rear panel note.

NOTE: There are no connections between the engine frame and the rear suspension.

Assembly

The Libra engine frame bolts directly to the monocoque without spacers. Inside the monocoque are spreader plates. The centre of the holes for the mounting frame is marked on the monocoque with small indentations. Drill the centre of these indentations with a .125" drill. Open out the holes on the four large mounting plates to 8-millimetre clearance holes and the three holes on the small mountain plates to 6-millimetre clearance, 35-millimetre long socket bolts can.

Now bolt the engine frame, to the monocoque using the 12 off, 8mm by 35 millimetre long socket bolts and the 3 off, 6 millimetre. These bolts mount through the engine frame mountings, through the monocoque, and through the spreader plates and are secured with nyloc nuts.

Note the engine Frame is welded on a separate jig and when fitting to the rear bulkhead of the monocoque a small amount of distortion can be expected. It may be necessary to strain the frame a small amount in order to assemble all the bolts through into the monocoque. Once all the bolts are in place tighten and secure.

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