Re: Engine rebuild stand
Posted by HH56 On 2017/12/14 20:02:07
If you want front and rear support that can rotate the engine you would need to make two adapters with adjustable arms that would accommodate the various blocks to place the pivot point in the same plane. I don't know how much access to the camshaft and timing area you would have with a front support as the only substantial bolt holes the arms could bolt to would possibly block that area because of the pivot plate and the arms have to extend across. The lack of front access and easy rotation is one thing that those that use dual stands or the stand and the box approach have mentioned
You could always make the stand a bit taller than commercially available units and use a changeable adapter to mount it from the side as Packard did. Inline 8s used a bar that spanned the length of the block plus a couple of inches on each end. There was another bar with hooks that went across the block front and rear to grab the edges of the lifter compartment. Add an adjustable leg off the long side piece about midpoint that would swing fore and aft or even use a second set of holes to catch the mount holes on 51-4 engine or the gear shift idler lever or Electromatic power cylinder holes on the pre 51 engines.
For the trans and V8s you could make it so the front pivot end removes and then have a second and shorter adapter with adjustable arms along the lines of the modern V8 type adapters.
A premade reducer that large is going to cost $$. For what you need to do It might be more cost effective to just get a worm gear and mount it on a shaft via a couple of pillow block bearings. Have a mating drive gear splined or even welded to a shaft which works a block the adapters could bolt to. That would be supported via a bushing in the stand. Cover the whole assy with a sheet metal cover The various adapters would bolt to that tilting block and you could make specialized adapters if you wanted.
Do a search for worm gear drives and check out the individual worms and gears at McMaster-Carr. They also have quality premade units.
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You could always make the stand a bit taller than commercially available units and use a changeable adapter to mount it from the side as Packard did. Inline 8s used a bar that spanned the length of the block plus a couple of inches on each end. There was another bar with hooks that went across the block front and rear to grab the edges of the lifter compartment. Add an adjustable leg off the long side piece about midpoint that would swing fore and aft or even use a second set of holes to catch the mount holes on 51-4 engine or the gear shift idler lever or Electromatic power cylinder holes on the pre 51 engines.
For the trans and V8s you could make it so the front pivot end removes and then have a second and shorter adapter with adjustable arms along the lines of the modern V8 type adapters.
A premade reducer that large is going to cost $$. For what you need to do It might be more cost effective to just get a worm gear and mount it on a shaft via a couple of pillow block bearings. Have a mating drive gear splined or even welded to a shaft which works a block the adapters could bolt to. That would be supported via a bushing in the stand. Cover the whole assy with a sheet metal cover The various adapters would bolt to that tilting block and you could make specialized adapters if you wanted.
Do a search for worm gear drives and check out the individual worms and gears at McMaster-Carr. They also have quality premade units.
Attach file:
(102.46 KB)
(34.23 KB)
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