Running To Hot For Me!!!

MY 85 GT

10 Year Member

Mar 7, 2008

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Aug 30, 2013

#1

• Aug 30, 2013

• #1

Im starting to give up on this car...I know underhood temp climb with a turbo but WOW car today was running around 190-195 then in stop and go traffic the temps started climbing 200-205-210-then 219...too hot for my blood...then funny thing is let the car idle with the Fan on hood open it idles at 180 will a cowl hood help..Also I run a 180 t-stat Question you guys what would you be running today mid 80's humidity 75% give or take stop and go traffic...need some help...Oh I only have a turbo blanket nothing is wrapped...thanks

 

MikeH686

Mine is only two inches though.

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#2

• Aug 30, 2013

• #2

Why not run a 160 stat just curious?

 

MY 85 GT

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#3

• Aug 30, 2013

• #3

I always heard that it runs hotter that way...with a 180 it stays in the rad a little longer to cool down with a 160 it would just flow all the time never have a chance to cool down..i could be wrong here..lol

 

MikeH686

Mine is only two inches though.

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#4

• Aug 30, 2013

• #4

It would open quicker and in your theory where it stays in the radiator longer it stays in your motor longer too

 

MY 85 GT

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#5

• Aug 30, 2013

• #5

Im also thinking the Trans isn't helping I just installed a c4 with a 3500 stall. And noticed that they ran the trans thru the radiator then thru the trans cooler...im thinking it should just go thru the cooler..alone that might help it run a little cooler didn't run this was with the AOD and mild stall...

 

vfast

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Aug 30, 2013

#6

• Aug 30, 2013

• #6

i hope you have a 3 core rad? i only use a mr gasket 180 stat the ofice is larger and has a hole in it for balance. what is your timing set at. what size trans cooler are you using? are you using a stock fan? check clutch in it

 

MY 85 GT

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Aug 30, 2013

#7

• Aug 30, 2013

• #7

Yes I run a 3 row radiator I run a flex-a-lite 3300 cfm electric fan..Car never ran this hot with the AOD just started with the c4 3500 stall convertor...Trans cooler is a decent size don't know off hand bought the car with it when it was supercharged...it is running the the trans cooler back thru the Radiator then to the trans im sure that isn't helping things either...

 

vfast

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Aug 30, 2013

#8

• Aug 30, 2013

• #8

that converter generates alot of heat...i would use the largest cooler i can fit...when is the fan coming on at???? your fan stat might not be working correctly..sometimes a pusher fan helps this problem. and yes you need to change your lines. going to a deep trans pan will help

 

MY 85 GT

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#9

• Aug 30, 2013

• #9

I have the fan on a manual switch..it does have a B&M deep Aluim Pan on It already.im going to switch the lines tomorrow...see if that helps..Im wondering if a big cowl hood would help get rid of some heat too...Car seems to idle at 180 with the hood open no problem....

 

vfast

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Aug 31, 2013

#10

• Aug 31, 2013

• #10

do you know the cfm of the fans? a cowl hood would help.. i would install a fan controller....what is the timing set at? do you have convertors on car?

 

madspeed

Colonel Mustard

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Aug 31, 2013

#11

• Aug 31, 2013

• #11

get a dcc controller to control that fan, and i'd be willing to bet your fanisnt really 3300 cfm

 

Mustang5L5

That is…until I whipped out my Bissell

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Feb 18, 2001

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Aug 31, 2013

#12

• Aug 31, 2013

• #12

A 160 stat is a band-aid. It doesn't really address the issue.

My suspect is the fan. Methinks you need a lot more airflow. At 60mph...does the temp climb? If not, airflow at lower speeds is probably your issue.


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MY 85 GT

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#13

• Aug 31, 2013

• #13

no the car doesn't have cat convertors...60 mph I don't drive on the highway that much so I couldn't tell you the car is more local streets a lot of stop and go..And why a dcc controller the fan will be on the whole damn time anyways...lol...it will never shut off...Car runs hot it will stay around 180 then climb after its been in stop and go traffic pretty quick...THIS started after the C4 trans was installed with the bigger convertor...DID not do this with the AOD and the mild stall it had...so im guessing the trans is creating a lot of the heat problem...The trans goes thru a trans cooler then the Radiator back to the trans im thinking that has a lot to do with the car running hot too...

 

madspeed

Colonel Mustard

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#14

• Aug 31, 2013

• #14

replumb the tranny cooler in that case

 

MY 85 GT

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#15

• Aug 31, 2013

• #15

madspeed said:

replumb the tranny cooler in that case

Click to expand...

Im going to try that tomorrow and just going to run the trans thru the trans cooler bi-passing the radiator...see if that helps a little...

madspeed said:

replumb the tranny cooler in that case

Click to expand...

Yeah im going to bi-pass the radiator...just going to use the trans cooler I have see if that help at all...im hoping it does..

 

Rick 91GT

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Aug 31, 2013

#16

• Aug 31, 2013

• #16

If you don't already have one is build a shroud that covers the entire rad surface so the fan can pull heat from the entire rad not just the section that fan attaches.

The B&M super cooler is a nice inexpensive piece that works well. I never put trans through the rad like stock and 3500 is going to build some heat.

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MY 85 GT

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Sep 1, 2013

#17

• Sep 1, 2013

• #17

Thanks yes I never did that either I just noticed it the other day it was like that so im going to switch it out and see if that helps...

 

vfast

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Sep 1, 2013

#18

• Sep 1, 2013

• #18

what is your timing set at...have you checked you rad hoses to see if they are colapsing? have you pull the rad cap to check flow?

 

mikestang63

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Sep 1, 2013

#19

• Sep 1, 2013

• #19

MikeH686 said:

It would open quicker and in your theory where it stays in the radiator longer it stays in your motor longer too

Click to expand...

The myth about a 160 stat running better was dispelled many years ago. Sorry, but a 160 stat does not cool better than a 192 or 180. It opens too soon and does not let the heat dissipate enough into the coolant that is either in the engine or radiator. The coolant actually goes to fast. In addition, the stat will constantly be opening and closing. Finally, it can also prevent the EEC from going into closed loop mode, and impact things like your O2 sensors and engine components. For most N/A cars , the stock 192 stat is the best option.

 

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MY 85 GT

10 Year Member

Mar 7, 2008

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Sep 1, 2013

#20

• Sep 1, 2013

• #20

The water flows fine with cap off the water pump in new just installed it last week...I bi-passed the radiator and im running the trans just thru the trans cooler the car ran around 190-195 around town just crusing for about 20 minutes or so...I then got on it a few times it climbed to 200 then I came home opened the hood the temps went down to 190 got in the car drove it a few minutes it climbed to 210...weird I think the hood under temps aren't helping I need like a cowl hood or a turbo hood to let in air...to maybe help cool it down a little..i bet if I took the hood off the car wouldn't get that hot...im giving up I don't know what to do....