100 LC dual batteries

No 1,
Yes an N70ZZ will fit in the existing battery trays.

In my LC100TD I have a Bosch cranker in the LHS and an AGM DC on the RHS. The cranker does the obvious starting duties and runs the winch. The deep cycle runs the fridge etc. It is separated by a smart switch and has run without problem for a couple of years. The isolating is very easy due to the way Toyota have made the loom.

Being at the front of the vehicle they run much cooler than where the second battery is near the firewall as in my troopy. This is good especially for the AGM DC.

alastair

Might helphttp://neuralfibre.com/paul/4wd/fullriver-120ah-agm-into-100-series-cruiser
He's on lcool

MN1,
The casings of batteries are very strong, so there is no problem with having a battery overhang by a couple of inches. You will find that some Toyotas came from the factory like this - 90series TD Prados for example.

N70 is a 12 inch long battery. Next size up is a 13inch battery (344mm long) and they will certainly fit on the drivers side of your 100series TD.

Most people I know isolate the dual batteries, leaving the passengers side battery as the cranker. It is an easy job :-)))

Have a look at what I did on the Lcool forum.
www.lcool.org/forum/viewtopic.php?t=140&postdays=0&postorder=asc&start=0

The bigger batteries N70ZZ fit, just, into the standard holders.

regards David