Tranny temps,,,
Thread Starter
Le Mans Master
Joined: Mar 2006
Posts: 7,838
Likes: 1
From: Valencia '32 Ford 3 window with 615 HP!!!!
St. Jude Donor '06-'09
Tranny temps,,,
Driving around L.A. today{about a 100 deg. outside} and the tranny temp got to around 234.
Good,bad,or normal?
I'll give RPM a call tomorrow!
Thanks,George
Good,bad,or normal?
I'll give RPM a call tomorrow!
Thanks,George
Team Owner
Joined: Feb 2001
Posts: 27,254
Likes: 136
From: Short Hills, NJ
That's a little high for my tastes but it's not uncommon for such a modified car to see those temps in that kind of weather, especially when driving it in a more spirited fashion.
Forced induction cars tend to run hotter and cause the trans to work harder in general and intercoolers often block the radiator/transmission cooler as well.
I would look into a larger (and/or better placed) transmission cooler maybe with a fan attached to it?
Forced induction cars tend to run hotter and cause the trans to work harder in general and intercoolers often block the radiator/transmission cooler as well.
I would look into a larger (and/or better placed) transmission cooler maybe with a fan attached to it?
Melting Slicks
Joined: Jul 2007
Posts: 3,097
Likes: 5
From: Brentwood World's first A6 in the 9's (including N/A, blower, turbo and nitrous cars) 9.950@139.267 CA
Do you not have a trans cooler installed? I did when I put in my Yank and even in the hottest days the transmission doesn't get any hotter than around 155 and that's even if I'm running at the track.
Thread Starter
Le Mans Master
Joined: Mar 2006
Posts: 7,838
Likes: 1
From: Valencia '32 Ford 3 window with 615 HP!!!!
St. Jude Donor '06-'09
What type do You have,and where did You mount it?
Thanks,,,,,I'll be getting one soon!
George
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Team Owner
Joined: Feb 2001
Posts: 27,254
Likes: 136
From: Short Hills, NJ
Yeah that's very likely the main issue right there, the standard/stock trans cooler (apparently the automatic's Z51 package does NOT provide any bigger/better a cooler than the standard car has) is just not up to the task even in a car with stock power and a higher stall converter...add in some real power like you have along with hot outside temps and it's a recipe for super high trans temps. 
Melting Slicks
Joined: Jul 2007
Posts: 3,097
Likes: 5
From: Brentwood World's first A6 in the 9's (including N/A, blower, turbo and nitrous cars) 9.950@139.267 CA
http://store.summitracing.com/partde...0&autoview=sku
If the link doesn't work, just go to summitracing.com and do a search on "BMM-70297".
I have it temporarily mounted in front of my condensor but behind the Vararam. I only installed it that way for now so I could make sure it worked well enough before figuring out a more permanent installation location.
Hope that helps,
Christopher
Race Director
Joined: Apr 2008
Posts: 17,373
Likes: 6
From: Chatsworth California
Thread Starter
Le Mans Master
Joined: Mar 2006
Posts: 7,838
Likes: 1
From: Valencia '32 Ford 3 window with 615 HP!!!!
St. Jude Donor '06-'09
Here's the one I bought from Summit:
http://store.summitracing.com/partde...0&autoview=sku
If the link doesn't work, just go to summitracing.com and do a search on "BMM-70297".
I have it temporarily mounted in front of my condensor but behind the Vararam. I only installed it that way for now so I could make sure it worked well enough before figuring out a more permanent installation location.
Hope that helps,
Christopher
http://store.summitracing.com/partde...0&autoview=sku
If the link doesn't work, just go to summitracing.com and do a search on "BMM-70297".
I have it temporarily mounted in front of my condensor but behind the Vararam. I only installed it that way for now so I could make sure it worked well enough before figuring out a more permanent installation location.
Hope that helps,
Christopher
Thanks My Man!!!
ps,,where will You mount it for a more "permanent" location?
Melting Slicks
Joined: Jul 2007
Posts: 3,097
Likes: 5
From: Brentwood World's first A6 in the 9's (including N/A, blower, turbo and nitrous cars) 9.950@139.267 CA
Either way I'll make sure to let you know and post up some pics of the install.
Christopher
Safety Car
Joined: Nov 2007
Posts: 4,537
Likes: 1,403
From: Bethesda MD
I don't like seeing AT temps above 200. 160 - 180 is a good operating range.
Is that temp is measured on the return from the cooler? That's pretty low for a maximum temp. I liked my temp to get to about 130* before flogging on the car.
FWIW, Plate type coolers reduce flow at low temps to prevent temps from being too cold.
FWIW, Plate type coolers reduce flow at low temps to prevent temps from being too cold.
Melting Slicks
Joined: Jul 2007
Posts: 3,097
Likes: 5
From: Brentwood World's first A6 in the 9's (including N/A, blower, turbo and nitrous cars) 9.950@139.267 CA
I don't like seeing AT temps above 200. 160 - 180 is a good operating range.
Is that temp is measured on the return from the cooler? That's pretty low for a maximum temp. I liked my temp to get to about 130* before flogging on the car.
FWIW, Plate type coolers reduce flow at low temps to prevent temps from being too cold.
Is that temp is measured on the return from the cooler? That's pretty low for a maximum temp. I liked my temp to get to about 130* before flogging on the car.
FWIW, Plate type coolers reduce flow at low temps to prevent temps from being too cold.
Melting Slicks
Joined: Jul 2007
Posts: 3,097
Likes: 5
From: Brentwood World's first A6 in the 9's (including N/A, blower, turbo and nitrous cars) 9.950@139.267 CA
I installed mine directly in front of my condenser but it was causing my coolant temps to go up past 220 at the track so I'm trying something different now.
What I did yesterday was position the trans cooler so that only 60% of it sits in front of the condenser and the other 40% hangs below. It's only held in there temporarily now with wire but if it keeps my temperatures down this Wednesday at the track, I'm going to fabricate some brackets and mount it there permanently. Once that's done, I'll make sure to post some pictures of the installation.
Christopher
What I did yesterday was position the trans cooler so that only 60% of it sits in front of the condenser and the other 40% hangs below. It's only held in there temporarily now with wire but if it keeps my temperatures down this Wednesday at the track, I'm going to fabricate some brackets and mount it there permanently. Once that's done, I'll make sure to post some pictures of the installation.
Christopher