A518/46rh and A500/42rh lock up question

[maca]

Hi guys
I have an A518 / 46rh transmission in my old 1972 Australian charger. I have set up a toggle switch to put it into overdrive when i want it. I have not tried the converter lock up though as I don't know if it will work with my converter.
It has a Dacco 2800 stall converter in it. With this not being a stock converter will the lock up still work? I don't know if it is something in the box or converter that makes it lock up? is the converter a special converter to lock up?

Also i am looking at buying a A500 / 42rh transmission. I asked the seller and he said his one has the 3 pin plug not the 2 pin. Does this mean it is a lock up unit as well or were the A500s just overdrive with no lock up.
thanks Maca

 

[toolmanmike]

The converter has to be a lock up unit. There are clutches inside the converter that provide the lock up.

 

[maca]

The converter has to be a lock up unit. There are clutches inside the converter that provide the lock up.

Thanks. When I ordered my 2800 stall converter from dacco I didn't ask for a lock up so I guess it is probably not a lock up then.
Does anyone know if the a500s were lock up boxes too? As this one I am looking at has 3 pin plug and the non lock up boxes usually have 2

 

[maca]

a500 will it handle hp?
Hey guys
Thanks for your input. I am at a crossroads on which trans to buy. I would prefer the A500 as it will give me the overdrive the same as the a518 and is easier to fit. However I will eventually chase hp and am worried about its strength. I currently have a a518 in my other car which has 420 hp at the wheels and the a518 seems to be fine. I guess it would have around 550hp or more at the flywheel.
Will the a500 be able to take this power as well? Or will it struggle.