front mount intercooler cooking my engine

[Ben-e-boy]

do you still have the zd30 radiator?? it looks like it, the td42 cooling system is 13.5L, I dont think a zd 30 radiator is big enough.

[PattyWgnOwen]

ben-e-boy,
the cores are the same across all GU radiators (told by three sources).
the only difference is the top tank.
the cooling system holds over 15 litres.
radiator has been recored and system flushed fully.
if I turn off the a/c I do nto have trouble with cooling.

[PattyWgnOwen]

I shoudl say that it does not over heat as such - just goes to the high end.
water temps sneak up to 120 degrees and the dash temp guage goes from below half to three quarters.
this is still within operating range, but too high for my preference.
I should be able to sit at idle in traffic all day, especially when the outside temp is only about 30 degrees.

[nissannewby]

nundah by day, cashmere by night.
why?

I'm at petrie mate and fitter by trade if ya ever need a hand with anything.

[PattyWgnOwen]

i'm at petrie mate and fitter by trade if ya ever need a hand with anything.

thanks newby

[johno90]

IF its getting hot with a/c on then id be confirming that the a/c condenser fan is turning on or working, if its not your asking for it to get hot. seen heaps of people cook engines cause they remove the fan to try and gain space.

[PattyWgnOwen]

There is no fan on the radiator at all and since the a/c cooler is against the radiator I agree this is my problem.
Looks like I am stuck with getting a top mount so I can get a fan in there?

[PattyWgnOwen]

ok, have now removed water to air intercooler
(found to be leaking coolant into engine so not good).
it was also restricting pressure by at least 2 psi - prob why it blew up?
diesel pump was shagged, so got it rebuilt.
have ordered a custom ARE top mount air to air, and replaced the original a/c condensor fan in front, and it seems better already, even in winter.

tip to the wise:
there is not enough room in the grill area of a Gu wagon for auto trans cooler and front mount water to air.

will let you all know how I go after all this.

[stets]

mate, air con systems can put up to 200 degree air temps behind it, auto tranc coolers can dump 200+ degree tmps behind it too, oil coolers can dump 120 degree heats. all this hot air blowing in front of an already struggling radiator is not helping you at all when the pocket of air directly in front of your radiator can be sitting over 100+ degrees. maybe check your fan, or replace with a thermo fan set up. many people have had good outcomes from fitting the twin thermo system off el falcons. raising the back of the bonnet helps slightly while towing at 60+ kph but under that it doesnt do a whole lot, and it does almost nothing at stand still. fitting a spoiler under your radiator to force cooler air in between your finned coolers will help when doing 60 kph or more but again at stand still there isnt much you can do except for some big arse thermo fans

[PattyWgnOwen]

I have new turbo viscous hub and fan new radiator. There is not enough space for wider cores due to location of the engine. When conversion done they chucked the a/c fan which is now back in and makes a huge difference.

Would not be an issue on a manual car because the extra radiator goes on the opposite side to the a/c fan.

Hopefully all sorted now but will consider jacking the bonnet if not.