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Overheating

benny gtr
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GTRman1992 Proficient

GTRman1992

Posted
Posted

Squizz. Cool, I'll organise a drive in the next few weeks. I'm going to Melbourne this weekend for the "Show Off" series. I'm having car show withdrawalls since the last decent show I was at was the Auto Salon final battle.

Muz. What is the difference between the HKS cooler and the Trust cooler ?

rb26DETT. Is the temperature going outside specificatiion or is it just getting hot ? What deg would you say its getting to ?

jlnewton Grand Master

jlnewton

Posted
Posted

I have been having a good look at different kits and was just about to ask anyone if they had used the HKS oil cooler kit. The particular HKS kit for the 33 GTR is very large, much larger than the trust kit (although trust has a few different setups), its a 16 row cooler approx dimension off the top of my head were 220ishx200ishx40ish. But by the sound of it, it sat inside the wheel arch, not sure how I feel on that. The wheel arch option might be alright with a 400R front bar but I am not sure there would be enough air flow through that area with a standard GTR bar. mmmmmm.

rb26dett Experienced

rb26dett

Posted
Posted

There was no specification. Whatever people say like it will reduce blah blah blah by how many degrees does not matter. The RB26 makes a lot of heat, don't know why either...maybe it's cos of the second turbo??

Anyway I found that with the cooler, it just reduced cruising temperatures and gave me probably another 5 to 10 mins hard driving in the mountain. Temp. gauge on the GTR console was reading halfway (I always back off when it gets there), so I'm assuming around 95 to 100 degrees?

Best would be to fit it and then go for a strap...makes a difference, but not much.

If you could, just go for the biggest possible oil cooler, more volume of oil plus larger surface area to cool the oil. IMO, i think the ARC's oil cooler would have to be one of the best, too dam expensive though.

Muz Experienced

Muz

Posted
Posted

GTRman, I can't answer what the difference is as I didn't look at the Trust item. I have a Nismo front bar and have mounted the cooler in front of the right front wheel behind the duct opening in the bar. rb26DETT is probably correct in saying that you need the biggest cooler you can get(within reason) and have plenty of air ducted to it. Remember the GTT is only a single turbo so the under bonnet temps will definitely be lower but the oil cooler will definitely reduce your engine oil temps

Cheers

Muz

Squizz. Cool, I'll organise a drive in the next few weeks. I'm going to Melbourne this weekend for the "Show Off" series. I'm having car show withdrawalls since the last decent show I was at was the Auto Salon final battle.

Muz. What is the difference between the HKS cooler and the Trust cooler ?

rb26DETT. Is the temperature going outside specificatiion or is it just getting hot ? What deg would you say its getting to ?

Muz Experienced

Muz

Posted
Posted

You really need to fit the oil cooler in clear air to get the full effect. Fitting it behind another cooler will only ensure that it gets hot air from in front and radiated heat from the radiator behind.

Cheers

Muz

Ok. Well I'll fit the cooler (between the intercooler and radiator) and see how it goes.

BTW I have the owners manual and it says the safe region for the oil is to the line above the centre line.

Muz Experienced

Muz

Posted
Posted

Yep and so is the HKS kit.

Simple logic tells me that if the vehicle is moving, then the swept hot air from the intercooler is being directed onto the fins of the oil cooler which not only is having to deal with the oil being hot, is now having to deal with a higher ambient temperature passing over its' fins which in turn then passes the hotter air onto the radiator which by now is really struggling. Probably got an A/C condenser in there somewhere as well. Probably compounding the temp rise all the time.

Just my thoughts is all.

Cheers

Muz

the trust kit is made to be mounted there
Neil Grand Master

Neil

Posted
Posted

For the life of me I can't understand why you guy's want to run Jap oil coolers. Gibson never did,,he ran Sereks or the like with direct ducting. The jap one are way to thin and the oil passes through them way to fast.

Neil.

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