High Oil Temperature. - Page 2

macloft · #1 (**permalink**) 01-31-2010, 04:06 PM

Hi Baz I can not comment on the oil temp however I use an oil cooler on mine.
However how does the triptronic gearbox go. Does it down and upshift quickly and cleanly. Are you happy with it so far. I am seriously thinking about a 6 speed triptronic box. If only the one in my XF Jag would fit.
Bruce

Baz · #2 (**permalink**) 01-31-2010, 10:50 PM

Quote:

Originally Posted by macloft

Hi Baz I can not comment on the oil temp however I use an oil cooler on mine.
However how does the triptronic gearbox go. Does it down and upshift quickly and cleanly. Are you happy with it so far. I am seriously thinking about a 6 speed triptronic box. If only the one in my XF Jag would fit.
Bruce

Thanks Bruce,

My 'Drive Around' is a current model HSV Grange with an LS2 and 6 speed Tiptronic. It is a fabulous car and really performs despite its weight of almost 1900 kgs. I thought, "How good would it be to have this setup in a Cobra?" My RMC weighs 700 kgs less than the HSV.

While I haven't really given it to the Cobra yet, as she only has a little over 200 k's on the clock and running around on Unreg. permits, I have, on occasions, stepped on the HSV so I can only comment on its performance.

It actually launches off the line really well. First and second are quite short, but then it gets it's legs when it reached third. The Torque Converter copes easily with a 4,500 rpm launch which I normally do in 'Drive' then click over to Tiptronic for the remainder of the run.

Just google '6L80E Transmission' and you can get the ratios.

When driven normally, I defy anyone to pick the gear changes.

The Cobra however, created a few problems. I searched everywhere, including the USA for someone who had installed a 6L80E into a Cobra... No Result, so it looks like I have the only one that I know of.

The problems arrived by virtue of the security systems which are normally built into vehicles like my HSV. The 6L80E Transmission has its own ECU which runs through everywhere including the sound system, ignition, air bags, ESC, security system etc etc. What we had to do was convince the Transmission that these items were present on the car, even though they weren't, a huge electronics nightmare. I was wishing at this stage that I would have installed a 6 speed manual.

Jimmy and Justin from Sideshow's Performance Tuning in Sydney came to the party and designed a series of micro switches to trick the transmission into believing that it had all those things mentioned earlier.

Everything seems to be workling fine at the moment, but only time will tell. Let me get some race days under my belt and a few thousand k's and ask me then.

Hope this helped you out.

Baz

Krait · #3 (**permalink**) 01-31-2010, 11:25 PM

Bruce,

While you're in the USA check out TCI Auto they have an aftermarket ECU for the 6L80E http://www.tciauto.com/Products/Electronics/. How effectively it really integrates with the GM engine ECU would be the question, though the blurb sounds encouraging.

Be good to get some real feedback.

Cheers

Baz · #4 (**permalink**) 02-01-2010, 01:27 PM

Thanks for the info Mike. As usual, you make heaps of sense. Appreciate your help. Will adopt a few of those ideas.

Baz

750hp · #5 (**permalink**) 02-02-2010, 01:41 AM

Haha - good memory OZ!

Baz - here's a datalog from my Ford powered Cobra when I decided to drive it to work one day, and was stuck in stop start traffic for nearly an hour. Solid roller cams love that stuff...! I didn't run an oil cooler, but I had a trans cooler. It shows how the oil averaged at least 5 degrees higher temps than the water, but it fluctuated a lot more as well.

Looking at the inputs on the chart on the right hand side, one of the numbers stood out as most unusual for a 1 hour+ drive. Can anyone pick it???

richardferguson · #6 (**permalink**) 02-06-2010, 11:46 PM

Quote:

Originally Posted by 750hp

Haha - good memory OZ!

Baz - here's a datalog from my Ford powered Cobra when I decided to drive it to work one day, and was stuck in stop start traffic for nearly an hour. Solid roller cams love that stuff...! I didn't run an oil cooler, but I had a trans cooler. It shows how the oil averaged at least 5 degrees higher temps than the water, but it fluctuated a lot more as well.

Looking at the inputs on the chart on the right hand side, one of the numbers stood out as most unusual for a 1 hour+ drive. Can anyone pick it???

Is "F Used" Fuel? If so, it seems a lot

Get an oil cooler Baz. You'll be amazed at the difference!

lovehamr · #7 (**permalink**) 02-02-2010, 05:52 AM

That is pretty obvious. @ about 1400 the trans temp dropped, the water temp spiked up and the oil temp spiked up as well. Pretty neat readout.

Steve

750hp · #8 (**permalink**) 02-02-2010, 05:59 AM

Nah - I think that was when I stopped in at the local shop to buy a drink... Trans cooled down with the engine turned off, but the engine heat-soaked the other fluids.

I'm thinking more about the other logged info on the right (not to hijack an interesting thread of Baz's, but I must admit that it showed remarkable restraint in my driving style that day...!)

gjkrv8 · #9 (**permalink**) 02-02-2010, 01:27 PM

MAX RPM of only 3625 - Very sedate :-)

Rgds

Gregg

boxhead · #10 (**permalink**) 02-02-2010, 03:16 PM

Yes stand out is low max rpm, also a very low average rpm.

I was looking for WOT output and waiting to see that at a max 60% or something, now that would have suprised me.

sambo · #11 (**permalink**) 02-03-2010, 08:13 PM

Regarding oil coolers, has anyone tried the units from ASE? I bookmarked their website a while ago - Aussie made and reasonably priced. I phoned them a few months ago and the guy said they can pretty much do any shape/size to fit a Cobra.

http://www.aseturbo.com/html/oil_coolers_.html

They also do power steering tanks, catch cans, etc.

Here's the VE range: http://www.aseturbo.com/holden/ve-commodore/cat_52.html

Rob. Smith · #12 (**permalink**) 02-07-2010, 03:11 AM

Tight bends like those on the earls fittings are bad for flow and temperature control...they actually create or at least sustain heat. Not much can be done about this so the next best thing is Monitoring..Make sure your gauges read actual temps ..etc and not a general reading. Just my 02. cents worth....read "Engineer to win"