You need to start with a piece f tube, that, with some machining in a lathe, can be bolted snugly under the engine main caps, and extends out as far as the second/rear bulkhead in the dyna box.
Use the front plate inside the bell housing of the Dyna box, as a centreregister for mainshaft.
This will involve some machining to both front plate and long tube.
The tube then needs to register into second bulkhead using a suitable machined collar into where the mainshaft bearing would normally be, this ensures the gearbox mainshaft lines up perfectly with the crankshaft centreline.
This is great, f the Dyna bellhousing is alloy, simply slice ff the flange with the 5R bell to block bolt holes, slice off a suitable bit f bell to block flange off a L series bell housing, get the widths of each correct, to give you a overall bellhousing lenght to suit the clutch fork/throwout bearing, at disengaged pisition.
Then using long tube, fit to block main caps, slde thin rear engine plate on, slide on and bolt L series cut flange, slide on Dyna 5R box, get lengths right, and weld up,, using little bits of stitch TIG weld.
Easy!
Or, just use a stronger box, from a S14/S15/RB30 etc bolted to a L bell, and make a double cranked remote shifter assy
_________________ Yep, i race a Datsun, and I drive a truck, sometimes I get confused, and then the truck goes fast, and the Datsun gets a lot of boxes shoved into it. AWW GEE
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