look at my very rude drawing and give me your suggestions please ...

 VW 1.6td 
 Remote 55 GPM electric water pump
 Radiator
 Heater Core
 Oil cooler
 Block and head

Why the electric coolant pump? no room for the VW stock one?

I'm just thinking about cooling the radiator, also do you have or are
thinking about putting an intercooler on it? because an electric fan
WILL NOT pull enough air to cool the engine under load.

The stock radiator will be OK, but a custom 3 row aluminum one that
bolts in would do a better job keeping it cool.

Wild

No intercooler ... the stock rad will not work. I am going to get a used rad per Jeff at Acme ...

VW's do not have a electric water pump they use a mechanical pump with pulley / belt ... so i am completely removing the stock pump and stock alternator ... making lots of room .... for the new electric pump and hoses. I did not have to go this route ... This pump moves 55gpm.

I will still have to put a large electric cooling fan on the rad ....

I can run this set up with or with out a Thermo stat...