06-30-2013, 05:03 AM
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#11 (permalink)
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A True Z Fanatic
Join Date: Feb 2010
Location: Dubai
Posts: 1,183
Drives: 09 G37S Coupe 7AT
Rep Power: 22
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Quote:
Originally Posted by conmam
First, I would like to confirm with a GTM 70mm radiator properly installed, along with using Uprev to reprogram so that the fan turns on sooner ( Maybe at 190F ) with a little more fan duty cycles, along with just a 25 row Setrab oil cooler properly installed, there is NO WAY you will ever get the oil temperature to even close to a limp mode. I have proven it already many times:
Driven at 125F constantly at medium to occasional high rpm for about 6 hours across the San Bernardino county to Vegas , oil temp never exceeded 210F, whereas without the radiator mod , it did get up to 250F ( Even with the oil cooler installed)
Now, if turbocharging the vehicle at 11 psi, it is IMPERATIVE that you must have the cooling system property modified like I did, or else there is a big chance that the Z factory radiator will be insufficient to cool down the additional tremendous heat even with the fan running at all time.... since the darn thing is so crappy cheap with a narrow single row. The alternative for a cheaper cost is to use the CFS radiator, which is a direct fit. While the CFS radiator cooling capacity is not nearly as good as the GTM 70mm radiator, it is still quite a bit better than the factory unit.
These are the links to my GTM radiator installation:
http://www.the370z.com/diy-section-do-yourself/56261-installing-largest-possible-street-racing-radiator-your-370z-part-1-a.html
Installing the largest possible street racing radiator for your 370Z - part 2 FINAL
WARNING : If you blow the engine in anyway, especially the head gaskets, you will severely overheat the engine does not matter what radiator you have. Just a reminder and I am sure everyone knows this.
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Do you have any datalog comparison between CSF and GTM since you're saying that GTM is better?
Its not all about capacity its about the design, aerodynamics, flow, etc etc. but what the hell do i know anyways.
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