that's it - thinking outside the box (or in this case the cable)

Awesome. My gearbox is too far back for stock 1200 cable. The rx7 one looks like I could make it fit. The dash end isn't threaded tho so bit of glue and were done, haha. Nah I'll look into the reduction box, speedo never read correctly anyway but if its consistent and not wound all the way off then I could just make a new face for the dial.

your standard datsun speedo cable will fit into the rx7 gearbox and should be just long enough.
if not i believe 120y is longer. you will need a reduction box though to make the speedo read accurate
which you can get from speedscreen like unfam said

Check out a place in Flemington Victoria called speed screen. They make cable adaptors like the one your talking about

Sounds awesome! Nice work, think we need a movie just to make sure it really is going ;) haha

does this mean you're going to keep it now?

After finding blocked jets, dirt and cracked gaskets the carbie rebuild still didn't fix the problem. Turned out to be a combination of ignition power supply, immobiliser and butterflies too closed.

Running awesome now. Very happy.

Still want to redo some wiring, mount a tacho and try to rig up the rx7 speedo cable to the datto dash. Also want to get a dyno run/tune to make sure its as good/safe as it can be and then the wife gets to make some carpet and door cards... if I'm lucky.

Yeah would love to keep but hopefully moving interstate next year for work if everything goes well and doubt I will be able to register it.

Shame you're selling it mate! Looks like its definitely been a part of you, and if you kept it I bet your kids would have some wicked fun it when the grow old enough!!

Pulled carb apart today, found grit and dirt in bowls, blocked jets, cracked gaskets and a bolt too long that was lifting the air horn. Also learnt that I need to wire up a solenoid to get fuel to the secondaries. Stocked that there is obvious reasons for the current issues.

Carb rebuild kit purchased and dyno tune with rotary pro organized. Should be good.

Am taking EOI's with the intention to sell in a few months. Love the ute but need to remove the temptation to modify when I start studying. If anything happens with it I won't have time to fix it and need cheap reliable transport to work.