[matty87]

Fellas iv got a g16b out of a baleno minted in the year 2000 an i put it in a sierra. now couple of questions as iv put a ford radiator on the back of the bus.

-which way does the water pump work does it pull from the radiator into the motor or does it push too the radiator?

- the answer above will answer this but does water come from the radiator to the thermostat housing or from the engine through the thermostat to the radiator?

- on the radiator i have gotten a hold of the inlet and outlet are at the bottom corner and top corner so diagonally opposed on the baleno or for that matter vitara how was the radiator setup? was it water pum to bottom of rad and top hose from thermostat to top of rad?

i should be able to work it out myself but i am very confuzled as at idle with two massive thermo fans and a far bigger than standard rad it is still getting hot.

[tanshi]

mine is setup with a hose from the back of the motor where the thermostat is, to the top hose of the radiator.

bottom hose of the radiator to the pipe on the side near the starter motor

[royce]

pushes it out of the thermostat housing

through the engine, out the thermostat housing to radiator

yes top hose to top of rad

whats your total cooling system volume? do you have any extra pumps to help it along? I doubt teh stock pump would move it

[matty87]

royce wrote:

pushes it out of the thermostat housing

through the engine, out the thermostat housing to radiator

yes top hose to top of rad

whats your total cooling system volume? do you have any extra pumps to help it along? I doubt teh stock pump would move it

im not sure on the total volume of the system as yet havent worked it out but its a fair bit more than the standard. there is an extra 6 meters of hose in the system.

i havent put any extra pumps in yet wanted to see if i had set the hoses up correctly, a mate has a small inline pump but it is only about 12l/min i think so not a very high flow rate.

does anyone know what the flow rate of the standard pump is at any particular rpm value?

[royce]

I assume the rad is up on the tray so in total is a lot higher than the pump too?

the stock pump flows a lot in a stock situation cause the pump head is low, IE not a lot of coolant above it to push against, lift it all up high and its got it work cut out for it and is probably not moving much at all.

I would look at one of the davies craig radiator water pumps, they are bigger than the smaller heater booster ones

[matty87]

yeah sweet thanks royce ill have to look into it

i might look into lowering the radiator through the tray a bit too.

[royce]

you can stick an electric pump in the back under the radiator so it sucks from it and pushes it through the engine and it works pretty well

[matty87]

thought id let ya know the outcome to this question having plumbed up the engine to the rad correctly and installed a digital temp gauge to see how hot it was getting.

What happened was at idle with no thermo fans running the temp creeps up very slowly i got it to 70 degrees and then turned the thermos on and the temp dropped back to 65 and stayed there didnt go up from that. so i decided a couple of minutes at 6500rpm will heat it up but no the temp dropped back to 55 degrees on the digital gauge and was hardly even registering on the normal temp gauge.

[Zachius]

Are you running a themostat?? i thought the thermostat did not open until 80-84C. Engines run better in the 80-100 range.

[matty87]

had to take the thermostat out as it didnt fit it contrakted the firwall and no amount of bashing was going to help.

yeah i know they run better in that temp range so hopefully the fact that the thermofans are on a switch in the cab will mean we can turn them on and off to keep our temp in the right range also letting it get up to temp without the thermos and then keeping it there with them