Clarke Engine Tear down stand

Well not much been going on with the Lotus. I did however see some bits on Ebay and judging that was too good to pass up on I bought myself a leather interior and a new motor. I don't know how badly my motor is damaged but at the best maybe I will be able to swap the head, at worst the whole motor, but at least I was assured that the replacement is in good condition and has never thrown a cambelt- so that has to be good news.
Anyway having dragged the lump back from Devon I needed to mount it for easy work and I decided to use my Clarke engine stand- this is the basic model CES500A (pic from machine mart catalogue):

If you know these stands then you will know that they mount the motor by means of 4 tubular round spigots welded to box section  arms that themselves move on a rotatable mounting cradle. Bolts pass through these spigots and screw into threaded holes n the block- so you need bolts of the right size and length to match those holes already present in the block. In the case of the 912 these bolts are M10. The ID of the spigots is about 16mm and obviously 10 mm bolts are thinner  than this and so would be supported only at the rear, where their heads enter the box section, and their heads where they enter the engine block.  I have never liked the idea of loose bolts slopping about inside these spigots which I think will strain both the bolt and the engine mounting, so I bought some 16 mm OD 10 mm ID tubing from ebay. The sizing on this wasn't so accurate so I had to bore them out with a 10 mm drill to take a 10 mm bolt,  and turn the tube down on the exterior until it would slip into the mounting spigots. However using the tube allows the bolt to be supported along practically its whole length. I cut 7 cm lengths of this tube and it then slotted into the stand down to the first weld (joint to box section) and projected from the spigot far enough to compensate for the thickness of the flywheel which was still fitted to this motor.

The Clarke stand is maybe the cheapest of those around and I found that its arms just weren't long enough to offer any choice of the stud holes that could be reached. There was in effect only one way of mounting the motor so I determined which holes would be used and cut some 10 mm bolts to length allowing for stand spigot, spacer extension and hole depth before  fixing the stand cradle to the motor and then hoisting the motor  up to stand height to allow it to be mounted.

These are the only 4 holes that this stand can reach, 10mm bolts in each but they do need to be different lengths. Note inserted tubes slipped into mounting spigots on stand to suport the bolts.

My motor is likely to rest in this position for some time so I also cut a supporting leg from some joist timber and fitted this between the stand base leg and packing on the sump to provide some added support and hopefully avoid excess stress or bending the mounting flanges.

Hopefully this will do it- as the stand is mobile I can also wheel the motor conveniently (and VERY carefully) around the garage until I get around to stripping it.