Boosted C6 Guys. Is My Car Running To Hot?
06-09-2015, 03:05 PM
#1
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Boosted C6 Guys. Is My Car Running To Hot? My 08 z51 a6 LS3 is getting hotter than I'm liking. At idle it runs 190, running down the road runs 200-210 but after any pull on boost its at 220-225 even with a 160 thermostat in it. Is this normal, or exeptible? The car is running 16 pounds of boost with only 10 degrees of timing. Do I need to start thinking about an aftermarket radiator? Or other options? Thanks.
06-09-2015, 03:22 PM
#2
I have an aftermarket Dewitt's radiator, SPAL fans, 160* thermo, and the same blower/single meth kit.
I am seeing the similar temps as you down here in South Florida. I am not seeing the 220-225 unless i idle for a while, or am in traffic for a little bit prior to doing a few pulls - then I will see that number in the heat of the day.
I added some water wetter - that brought us down by 3-7 degrees.
I am seeing the similar temps as you down here in South Florida. I am not seeing the 220-225 unless i idle for a while, or am in traffic for a little bit prior to doing a few pulls - then I will see that number in the heat of the day.
I added some water wetter - that brought us down by 3-7 degrees.
Last edited by 04ctsvfl; 06-09-2015 at 09:40 PM.
06-09-2015, 03:25 PM
#3
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I picked up a couple of bottle's of Water Wetter from autozone today. Don't know if anyone has used it or if it works but it's supposed to bring down yours temps 10-20 degrees. I guess it's worth a shot.
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06-09-2015, 09:34 PM
#8
its primarily due to how limited the air flow is to the radiator after the installation of the intercooler. a aftermarket radiator and fan will help, but not solve.
There is a thread about cutting and reboxing the frame as a solution to this problem, resulting in significant reductions in temps.
you will not see 20* from ww. expect around 5*.
There is a thread about cutting and reboxing the frame as a solution to this problem, resulting in significant reductions in temps.
you will not see 20* from ww. expect around 5*.
06-09-2015, 10:36 PM
#10
TECH Apprentice
Running a proper shroud will help more than the dewitts and dual fans. I retained the stock shroud by modifying it and my temps are good now. An oil cooler helps a little to. I run about 185 while cruising on the highway, max of 200 in traffic, and about 210 if I have the AC running. With the HPT custom OS you can also command the fans to come on earlier.
06-09-2015, 10:52 PM
#12
TECH Apprentice
what shroud are you speak of? - the "baffle" - http://s3.amazonaws.com/rparts-illus...cfa9e109cc.png
Or?
Or?
In place....Not quite finished...
In process of hacking it up and fitting it....
06-09-2015, 10:57 PM
#13
so it essentially traps the air down there instead of letting it flow up /to the sides?
what all needs to be removed to get that modified part in there? can it all be done from the top?
jb
what all needs to be removed to get that modified part in there? can it all be done from the top?
jb
06-09-2015, 11:04 PM
#14
TECH Apprentice
Basically the intercooler gets the air through the nose, and the "spoiler" (the one that scrapes everywhere) forces air directly up though the shroud. If you can look under a stock car you will see how well it is set up from the factory, and why they run hotter without it.
06-09-2015, 11:30 PM
#15
sorry to hijack thread - but this is good info directly related to your issue!
ok thanks so much canuk - so what exactly needs to be removed -
intake off blower;
intercooler and the pipe from it to tb.
thats it...then trim/test fit and go?
ok thanks so much canuk - so what exactly needs to be removed -
intake off blower;
intercooler and the pipe from it to tb.
thats it...then trim/test fit and go?
06-10-2015, 09:21 AM
#16
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I'm definitely gonna try doing some of the modding that's being discussed. Just out off curiosity, is my z51 oil cooler the same as the z06 oil cooler? If not would it be worth the upgrade? Also, I bought two bottles of water wetter. Should I use both or just stick with one?
Last edited by SSLSXLQ9L92; 06-10-2015 at 09:40 AM.
06-10-2015, 11:24 AM
#17
TECH Apprentice
That's about it. If anything else is in the way, you will find out. LOL
06-10-2015, 11:26 AM
#18
TECH Apprentice
I'm definitely gonna try doing some of the modding that's being discussed. Just out off curiosity, is my z51 oil cooler the same as the z06 oil cooler? If not would it be worth the upgrade? Also, I bought two bottles of water wetter. Should I use both or just stick with one?
