60-Series Transmission

(Difference between revisions)

Revision as of 23:58, 29 December 2006

The 60-series 5-speed is a beefier model than the stock Datsun 1200 GX-5's 56-series transmission. The 60-series can handle the torque from A14 and A15 engines. They came in to varieties:

• 60L for A-series engine (1978 B310 Sunny)
• 60A for A-series engien (1979-up Sunnys)

Note that this series may be available for other engine types, so make sure you get one to match the A-series engine.

For an overview of 5-speeds in general, see: 5-speeds. Comparos, Ratio info, etc.

Read Blat's first-hand account of swapping the 5-speed: Experiences swapping B210 H150 rear and B310 60A 5spd into my 1200.

Swap Into Datsun 1200

(A special note of thanks to Davo1200 who started this section originally in the old Tech Section)

How do I install a 5 speed Sunny box?

So we've just picked up one of those rare 5 speed Datsun Sunny boxes and we want to bolt it to our engine. The bellhousing itself and starter motor bolts up with no problems but the gearbox cross member sits too far back and the reverse light switch hits the tunnel. What do we do?

Take the reverse switch out. The thread size is an un common size and you will have trouble finding a suitable replacement bolt that is flat enough to clear the tunnel.

Modify the switch! Sit switch in a vice and cut switch with an angle grinder so that switch is now fairly flat. A little ball bearing will fall out and discard the rest.

Now we have a bolt with a hole in it! You can either fill the hole with weld, making sure not to warp the bolt, or, you can just fill with epoxy resin. Let it sit for a while and bolt back into place on the gearbox. You will have no reverse lights now so a seperate switch will have to be added to the interior.

Great! No we can actually sit the box up into place!

Now check out how far back the gearbox cross member mounts sit. Its approx 2" futher back from the stock 1200 mounting points. A fabricated cross member will have to be made to allow for this 2" change. Some flat steel bar, a press drill and a welder will be needed.

After gearbox cross member has been fabricated, bolt into place. Fill gearbox with new oil, fit clutch cable, hook up the tail shaft and go for a drive. Yeah 5 gears!!

60a 5-speed swap Notes

Can you give me some tips on installing a 60-series 5-speed?

• the 60a 4-speed and 60a 5-speeds are the same length as the stock Datsun 1200 transmission, and the shifter is in the same spot
• There are two different types of 60A rear engine mounts (transmission mounts).
  <li>One type of 60a mount bolts to the crossmember from the sides of the mount, just like these stock 1200 mounts:
  Stock 1200 mount
  Stock 1200 mount
  Stock 1200 mount
  mount</li> </li> <li>This type bolts from the bottom.
  60a rear engine mount
  Just use a u-shaped flat steel adapter, with long bolts and spacers.
  
  60a adapter Put together, it looks like this:
  pic or pic
  also see: this one
  ... or make a more sophisticated mount which doesn't need long bolts or spacers:
  60a adapter
  60a adapter </li>

  rear engine mounts
  custom engine mounts <li>The stock Datsun 1200 driveshaft should be used. While the B310 driveshaft is the same length, it has the larger H150-style rear flange.

  
  pic
• The reverse-light switch is right where the Datsun 1200 chassis x-member mount is. You can remove the switch and plug the hole. A spare A12 engine-block drain plug fits (from the side of the engine block). Some say you can beat the chassis out to make room
• The stock Datsun 1200 flywheel and clutch can be used