transmission cooler
#1
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Car: 1986 iroc
Engine: 350 .060 AFR HSR XFI280
Transmission: transgo 700r4
Axle/Gears: 3.73
transmission cooler
whats the best way to route the lines using an aftermarket trans cooler? i was thinking in using the stock one and the aftermarket together but a guy from a transmission shop told me to use only the aftermarket one, so whats better?
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Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: transmission cooler
i got mine going through the factory one first and then to the aftermarket one....i put it in the lower right hand corner of the ac evap, drilled 2 holes in the top of my air dam to run the cooler lines to the metal facrory one
if you want pics i can arrange to do that for you
if you want pics i can arrange to do that for you
Last edited by 89RS_82Z; 02-15-2009 at 07:46 PM.
#3
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Car: 1986 iroc
Engine: 350 .060 AFR HSR XFI280
Transmission: transgo 700r4
Axle/Gears: 3.73
Re: transmission cooler
does it cool down the tranny pretty good? i was thinking in puting a trans temp gauge with it
#4
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Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: transmission cooler
mine stays cool, dont know of a temp, but feeling the bottom of the pan its no where near as hot as it was before, i also got a Derale trans pan cooler
http://www.derale.com/pans.html
here is the pics
Here is the cooler mounted, the SS braided lines are for my airhorns you can see one of them in the upper left corner along with the wires to the eletric valve for em
OK here is the hole i drilled in the air dam
and here is how it hooks to the factory lines, i did modify the bends in them to get it to work properly
sorry everything is dirty on the underside.......looking at it in the pics now makes me want to go out there and detail away under that thing
is that enough or you need more????
another FYI i also have an all aluminum racing rad, it keeps the coolant cooler than the stock one did, and that means the trans cooler inside of it works better to
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Car: 1991 Trans Am GTA
Engine: 357sbc
Transmission: TH350
Axle/Gears: 2.73 stock rear
Re: transmission cooler
Im using aftermarket trans hose with push on fittings, that goes to my trans cooler and to my th350. Trans cooler botled to 2 alum flat stick pieces, where the ac evap use to be.
http://i14.photobucket.com/albums/a3...ncooler001.jpg
http://i14.photobucket.com/albums/a3...ncooler004.jpg
http://i14.photobucket.com/albums/a3...ncooler003.jpg
http://i14.photobucket.com/albums/a3...ncooler001.jpg
http://i14.photobucket.com/albums/a3...ncooler004.jpg
http://i14.photobucket.com/albums/a3...ncooler003.jpg
#6
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Re: transmission cooler
since my car did not have a trans cooler in radiator tank
when i went from 4spd to auto back in 1993,i made up
an independant tranny cooling system: mounted an oil
cooler salvaged from a cop car under the battery area
with a specially made 8" electric fan switched on by a
thermostat in the tranny pan(200* switch on) made
a custom guage panel under the center A/C vent that
includes tranny and engine oil temps. BTW i have air
horns on mine too-twin trumpet hadleys-lol
when i went from 4spd to auto back in 1993,i made up
an independant tranny cooling system: mounted an oil
cooler salvaged from a cop car under the battery area
with a specially made 8" electric fan switched on by a
thermostat in the tranny pan(200* switch on) made
a custom guage panel under the center A/C vent that
includes tranny and engine oil temps. BTW i have air
horns on mine too-twin trumpet hadleys-lol
#7
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Car: 82 Sport coupe
Engine: 355 semi roller
Transmission: TH-350 B&M ratchet shifter
Axle/Gears: 3.73 Eaton Posi
Re: transmission cooler
I priced a trans cooler for about 60 bux and said screw that. I went to my local junk yard and got one off an old pickup truck for $4 bux. Then i just plumbed it in with some 3/8 hose i had laying around and ziptied it to my radiator where my condenser used to be. I did the whole thing in about an hour and it only cost me 4 bux. And here's the sweet part, i made sure to tap into the return line from the radiator so my fluid gets double cooled, first by the stock cooler, then into the standalone cooler, then back to the trans. Keeps my tranny nice and cool even with a 3000 stall. Daily driven.
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Car: 1987 Z28
Engine: LG4
Transmission: T5
Axle/Gears: 3.23
Re: transmission cooler
Im using aftermarket trans hose with push on fittings, that goes to my trans cooler and to my th350. Trans cooler botled to 2 alum flat stick pieces, where the ac evap use to be.
http://i14.photobucket.com/albums/a3...ncooler001.jpg
http://i14.photobucket.com/albums/a3...ncooler004.jpg
http://i14.photobucket.com/albums/a3...ncooler003.jpg
http://i14.photobucket.com/albums/a3...ncooler001.jpg
http://i14.photobucket.com/albums/a3...ncooler004.jpg
http://i14.photobucket.com/albums/a3...ncooler003.jpg
i cant find the part to go into the trans...seen it one day
#9
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Car: 89' IROC-Z
Engine: LO3
Transmission: 700R4
Axle/Gears: 10-Bolt/2.73
Re: transmission cooler
DO NOT USE JUST THE AFTERMARKET COOLER. It is not enough cooling or enough routing length for the fluid to cool properly. Always use the in radiator cooler as well. If you read the other statments on here that use a tranny cooler, with radiator cooler and a tranny pan cooler and they're fine, but STILL reaching high temps. So with just an aftermarket cooler you will boil that fluid easily, unless you attach a fan to it as stated by 8t2...
Get a nicely sized cooler, Run it in front of the condenser/radiator just like everyone else has stated.
Your trans will love you after this.
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Car: 1991 Trans Am GTA
Engine: 357sbc
Transmission: TH350
Axle/Gears: 2.73 stock rear
Re: transmission cooler
06 black aqp socketless hose and it comes in 15 feet long. are you also needing the fitting that go with it
#11
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Car: 1991 RS, 84 El Camino conquista RIP
Engine: 5.0 (for now)
Transmission: 4L60
Axle/Gears: 2.xx torsen limited slip & 3.42 ope
Re: transmission cooler
i cheated lol. I have no ac. I cleaned out my condenser and with some fittings i got at a hardware store my tranny stays plenty cool in the summer!! Plugged the ones on the rad and with some hose and cutting have rubber lines (or braided if you want to go fancy) hooked them up to the barbed fittings i put in.
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Car: 91 Z28
Engine: 383 SuperRam
Transmission: ProBuilt 700r4
Axle/Gears: G92 3.23
Re: transmission cooler
i did a couple of tests with different coolers and with/without the radiator inline.
180* thermostat, 2600 stall
thru the radiator then thru aftermarket tube&fin cooler about 1/2 the size of the radiator my trans temp sat at 195-200* not good.
thru the same tube&fin cooler without the radiator inline my trans temp sat at 200* and started to go higher, no further tests on this one.
bought an aftermarket b&m stacked plate style cooler, size is 11"x10"x1.5" ran it thru the radiator and then thru the cooler and my trans temp never goes above 150*. perfect. part number B&M 70266
so my recommendation is to use the stacked plate style cooler, it is more effecient. and only costs like $10 more. it also has a built in thermostat, to where most of the fluid bypasses the cooler until it heats up. only complaint i have about it, is it takes a while for the fluid to warm up, and doesn't shift like it should. takes about 5 minutes to get to 100* and then another 10 minutes to get to 150*. this is with winter weather testing only, i haven't had it long enough to test it in the summer, its right around the corner tho.
180* thermostat, 2600 stall
thru the radiator then thru aftermarket tube&fin cooler about 1/2 the size of the radiator my trans temp sat at 195-200* not good.
thru the same tube&fin cooler without the radiator inline my trans temp sat at 200* and started to go higher, no further tests on this one.
bought an aftermarket b&m stacked plate style cooler, size is 11"x10"x1.5" ran it thru the radiator and then thru the cooler and my trans temp never goes above 150*. perfect. part number B&M 70266
so my recommendation is to use the stacked plate style cooler, it is more effecient. and only costs like $10 more. it also has a built in thermostat, to where most of the fluid bypasses the cooler until it heats up. only complaint i have about it, is it takes a while for the fluid to warm up, and doesn't shift like it should. takes about 5 minutes to get to 100* and then another 10 minutes to get to 150*. this is with winter weather testing only, i haven't had it long enough to test it in the summer, its right around the corner tho.
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Car: 89' IROC-Z
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Transmission: 700R4
Axle/Gears: 10-Bolt/2.73
Re: transmission cooler
P.S. Avg Winter Temps?
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Car: 91 Z28
Engine: 383 SuperRam
Transmission: ProBuilt 700r4
Axle/Gears: G92 3.23
Re: transmission cooler
if anyone knows of a remote oil thermostat that opens at lower temperatures, let me know.
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Car: 89' IROC-Z
Engine: LO3
Transmission: 700R4
Axle/Gears: 10-Bolt/2.73
Re: transmission cooler
Hayden Automotive opens up at 160*
Check here, unsure which size you want. So I searched all of them.
http://store.summitracing.com/egnsea...iew=sku&RC=100
Check here, unsure which size you want. So I searched all of them.
http://store.summitracing.com/egnsea...iew=sku&RC=100
#16
Re: transmission cooler
I would put a temp gauge on the tranny first. If it runs to cool it's not the greatest for it either. Not saying it's going to blow up.
If you drive it in cooler weather the coolant will also help get it up to operating temp.
FYI, 200 isn't to hot for a tranny. That's about where you want to be.
If you drive it in cooler weather the coolant will also help get it up to operating temp.
FYI, 200 isn't to hot for a tranny. That's about where you want to be.
#17
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Car: 89' IROC-Z
Engine: LO3
Transmission: 700R4
Axle/Gears: 10-Bolt/2.73
Re: transmission cooler
I took it upon myself to search multiple cars and their trans fluid breakdown temps.
Average break downs temps for ATF are coming up around 210-230* Around 250* for trucks and such like a towing tundra 250* is hot.
Also there is this
http://www.txchange.com/heatchrt.htm
I think the perfect fluid temp would be around the 200* these cars are suppost to run at anyway. If you look it up our 3rd gens are suppost to run up to 220* before fans turn on. So take that and realize trans temps should probably be based around your coolant temp. So the 180-220* range is best. But thats just me so...
Average break downs temps for ATF are coming up around 210-230* Around 250* for trucks and such like a towing tundra 250* is hot.
Also there is this
http://www.txchange.com/heatchrt.htm
I think the perfect fluid temp would be around the 200* these cars are suppost to run at anyway. If you look it up our 3rd gens are suppost to run up to 220* before fans turn on. So take that and realize trans temps should probably be based around your coolant temp. So the 180-220* range is best. But thats just me so...
#18
Supreme Member
Re: transmission cooler
I have my trans routed to the radiator first then to the cooler and back to the trans. I also have a deep TCI pan that holds a couple extra quarts. I have a trans temp gauge mounted also. With a 3000 stall my trans temp never goes above 175 degrees.
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Car: 91 Z28
Engine: 383 SuperRam
Transmission: ProBuilt 700r4
Axle/Gears: G92 3.23
Re: transmission cooler
you have to also think how many of our cars have slipping transmissions or failures, 200* isn't too for a transmission if you only want it to last half of what you could get out of it. i do have a temp gauge in my transmission, thats how i was getting the readings....
how do you suppose i hook that hayden oil sandwich adapter up to my transmission lines, it only has one in and one out, it would work for what it is intended for, between the oil filter and housing, but not for a transmission. i would need something like this http://store.summitracing.com/partde...5&autoview=sku
how do you suppose i hook that hayden oil sandwich adapter up to my transmission lines, it only has one in and one out, it would work for what it is intended for, between the oil filter and housing, but not for a transmission. i would need something like this http://store.summitracing.com/partde...5&autoview=sku
#20
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Car: 82 Sport coupe
Engine: 355 semi roller
Transmission: TH-350 B&M ratchet shifter
Axle/Gears: 3.73 Eaton Posi
Re: transmission cooler
ok so which do you guys think works better in general, stacked plate style or finned tubing? My vote is with stacked plate style.
#21
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Re: transmission cooler
stacked plate type is more effective,but also more
expensive-stacked plate type is used in a lot of OEM
apllications -especially fords-so you can salvage one at
a junkyard for a fraction of new cost-i think ford
explorers have them with hose barb connections,also
check old police cars for both tranny and engine oil
coolers.The older b&m transmission temp gauge i have
in my dodge 4x4(sender not hooked up yet) has a
yellow caution zone that starts at 220*,red warning
zone at 260*. the oil temp gauges in my camaro were
salvaged from a wrecked semi truck,i like to run
tranny temp at 180-200*,engine oil at 220-240*
oil should be warm enough to flow well but not too
hot.
expensive-stacked plate type is used in a lot of OEM
apllications -especially fords-so you can salvage one at
a junkyard for a fraction of new cost-i think ford
explorers have them with hose barb connections,also
check old police cars for both tranny and engine oil
coolers.The older b&m transmission temp gauge i have
in my dodge 4x4(sender not hooked up yet) has a
yellow caution zone that starts at 220*,red warning
zone at 260*. the oil temp gauges in my camaro were
salvaged from a wrecked semi truck,i like to run
tranny temp at 180-200*,engine oil at 220-240*
oil should be warm enough to flow well but not too
hot.
#22
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Car: 89' IROC-Z
Engine: LO3
Transmission: 700R4
Axle/Gears: 10-Bolt/2.73
Re: transmission cooler
stacked plate type is more effective,but also more
expensive-stacked plate type is used in a lot of OEM
apllications -especially fords-so you can salvage one at
a junkyard for a fraction of new cost-i think ford
explorers have them with hose barb connections,also
check old police cars for both tranny and engine oil
coolers.The older b&m transmission temp gauge i have
in my dodge 4x4(sender not hooked up yet) has a
yellow caution zone that starts at 220*,red warning
zone at 260*. the oil temp gauges in my camaro were
salvaged from a wrecked semi truck,i like to run
tranny temp at 180-200*,engine oil at 220-240*
oil should be warm enough to flow well but not too
hot.
expensive-stacked plate type is used in a lot of OEM
apllications -especially fords-so you can salvage one at
a junkyard for a fraction of new cost-i think ford
explorers have them with hose barb connections,also
check old police cars for both tranny and engine oil
coolers.The older b&m transmission temp gauge i have
in my dodge 4x4(sender not hooked up yet) has a
yellow caution zone that starts at 220*,red warning
zone at 260*. the oil temp gauges in my camaro were
salvaged from a wrecked semi truck,i like to run
tranny temp at 180-200*,engine oil at 220-240*
oil should be warm enough to flow well but not too
hot.
Seems like around 220* is where you want to sit your oil temps at. But Vettes run up to 300* NORMAL.
http://www.z06vette.com/forums/f90/h...ackday-110477/
It seems like every vette guy says the same thing, GM motors run best HOT. Around 200* for LSX motors one states in the above thread.
So it seems like you want all your fluid temps to be in the 180*-240* mark. NICE!
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Re: transmission cooler
I like the ones Ford use also, but I go for the ones with hard line fittings. Never have to worry about hoses going bad up in front of the radiator where its hard to get to. you can do a cleaner tighter install, too.(that is if you're not half bad at bending tubing.)
#24
Re: transmission cooler
QuickSyle,
You also have to think about what kind of car your talking about.
Camaro's are driven one of two ways. Like it was stolen, or babied cause it's the owners special car and they don't ever open it up.
Anything driven hard is going to break. Also the 700 and 4L60 aren't all that strong. Not saying they are bad, but they don't do well with lot's of abuse. Running the tranny cold isn't all that good for it.
Also along with that, how often do you see people change their tranny fluid. Other then the people on forums? Most of them don't know if even has a filter. Lack of maint is the biggest killer.
You also have to think about what kind of car your talking about.
Camaro's are driven one of two ways. Like it was stolen, or babied cause it's the owners special car and they don't ever open it up.
Anything driven hard is going to break. Also the 700 and 4L60 aren't all that strong. Not saying they are bad, but they don't do well with lot's of abuse. Running the tranny cold isn't all that good for it.
Also along with that, how often do you see people change their tranny fluid. Other then the people on forums? Most of them don't know if even has a filter. Lack of maint is the biggest killer.
#25
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Transmission: 700R4
Axle/Gears: 10-Bolt/2.73
Re: transmission cooler
QuickSyle,
You also have to think about what kind of car your talking about.
Camaro's are driven one of two ways. Like it was stolen, or babied cause it's the owners special car and they don't ever open it up.
Anything driven hard is going to break. Also the 700 and 4L60 aren't all that strong. Not saying they are bad, but they don't do well with lot's of abuse. Running the tranny cold isn't all that good for it.
Also along with that, how often do you see people change their tranny fluid. Other then the people on forums? Most of them don't know if even has a filter. Lack of maint is the biggest killer.
You also have to think about what kind of car your talking about.
Camaro's are driven one of two ways. Like it was stolen, or babied cause it's the owners special car and they don't ever open it up.
Anything driven hard is going to break. Also the 700 and 4L60 aren't all that strong. Not saying they are bad, but they don't do well with lot's of abuse. Running the tranny cold isn't all that good for it.
Also along with that, how often do you see people change their tranny fluid. Other then the people on forums? Most of them don't know if even has a filter. Lack of maint is the biggest killer.
Also, talked to a buddy who runs a turbocharged car and really runs it, says he keeps his oil temps around 200 and trans temps around 180 (Near coolant levels).
#26
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Car: 1986 iroc
Engine: 350 .060 AFR HSR XFI280
Transmission: transgo 700r4
Axle/Gears: 3.73
Re: transmission cooler
one other question: my transmission went bad and im gonna run the stock cooler and then the aftermarket one do i have to flush the stock lines and cooler and if so how do i do this?
#27
Supreme Member
Re: transmission cooler
Depends on how the tranny failed,if there is a lot of
metal in the oil,or the oil is burnt(it will be yellow)
would be best to flush the lines out-tranny shops
have machines to do this,there may be other methods
someone might know(i've never had to do it)
if oil looks clean with no metal i would just run it.
metal in the oil,or the oil is burnt(it will be yellow)
would be best to flush the lines out-tranny shops
have machines to do this,there may be other methods
someone might know(i've never had to do it)
if oil looks clean with no metal i would just run it.
#28
Supreme Member
Re: transmission cooler
http://cgi.ebay.com/ebaymotors/LIFE-...Q5fAccessories
You hook it up to your tranny line and flush it until the fluid comes out clear and then your all set.
#32
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Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Re: transmission cooler
Since I have a axillary thermostatic switched pusher fan in front of my radiator I had to install my axillary cooler behind and between the radiator and rear stock puller fan . The transmission fluid runs through the main radiator trans. cooler then through the auxiliary cooler. Here's the catch. Its a combination engine oil /transmission oil cooler. It runs the trans. fluid through 4 coils of the the cooler at all times but only allows the engine oil to run through 6 coils when the engine reaches 180 degrees. That way the engine oil stays at a optimal temp. Picked it up a Summit Racing on line. Here's the link. http://www.summitracing.com/parts/DER-15903/
Last edited by Ron U.S.M.C.; 06-28-2013 at 03:19 PM. Reason: add info.
#33
Re: transmission cooler
Our family does not do any towing but a transmission cooler on a factory vehicle seems to be only part of a "trailer package". Am I over estimating the value of such a cooler on prolonging the life of these fancy 6 speed automatic transmissions that won't experience any towing? But maybe the cost of the trailer package isn't much different that installing an aftermarket cooler . What do you think?
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#34
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Car: 90 Formula -- tot resto in progress
Engine: 350
Transmission: 700R4 w/ 2500 stall, by Owen @ ARD
Axle/Gears: 3.23 posi disc
Re: transmission cooler
one92rs -- Any idea what the BTU rating of your a-t cooler is?
B&M rates the (above) #70266 at 20500 BTU.
The models that indicate a "cool fluid bypass" are rated at condiderably less:
#70255 at 9800 BTU, and #70268 at 13000 BTU.
B&M rates the (above) #70266 at 20500 BTU.
The models that indicate a "cool fluid bypass" are rated at condiderably less:
#70255 at 9800 BTU, and #70268 at 13000 BTU.
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Re: transmission cooler
#36
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Car: 1989 GTA
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Transmission: Pro Built S/S TH700R4
Axle/Gears: 3.27
Re: transmission cooler
http://www.performancetransparts.com...ROD&ProdID=215
This is the one I run. Long Tru Cool. 11" x 12" stacked plate. Has the low temp bypass design as well.
Heavy Duty Driving, pick-up trucks and vans - towing up to 5000 lbs, class "C" motor homes, travel trailers to 24ft
GVW Rating - 22,000 lbs.
BTU Rating - 20,000 btu.
11/32" Hose Barb
I bypassed the stock radiator. In Houston, there is no point in running your transmission fluid through the hot radiator. The radiator runs hotter than the transmission fluid does. Highest I've ever seen the transmission fluid at was 188°. That was after sitting in afternoon August traffic for 2 hours. Shutting down to fill up for gas. And then driving one more block home.
That thin pencil tube that runs through the radiator isn't going to cool the transmission as good as a stacked plate, large surface area cooler that is getting air dam air at high speed and radiator fan air at low speed.
Oh yeah, that above day in August when I was stuck in stop and go for 2 hours? My radiator was at 245° by the time I got home. Was running around 230° before I stopped for gas. Why would I want to run transmission fluid through that?
This is the one I run. Long Tru Cool. 11" x 12" stacked plate. Has the low temp bypass design as well.
Heavy Duty Driving, pick-up trucks and vans - towing up to 5000 lbs, class "C" motor homes, travel trailers to 24ft
GVW Rating - 22,000 lbs.
BTU Rating - 20,000 btu.
11/32" Hose Barb
I bypassed the stock radiator. In Houston, there is no point in running your transmission fluid through the hot radiator. The radiator runs hotter than the transmission fluid does. Highest I've ever seen the transmission fluid at was 188°. That was after sitting in afternoon August traffic for 2 hours. Shutting down to fill up for gas. And then driving one more block home.
That thin pencil tube that runs through the radiator isn't going to cool the transmission as good as a stacked plate, large surface area cooler that is getting air dam air at high speed and radiator fan air at low speed.
Oh yeah, that above day in August when I was stuck in stop and go for 2 hours? My radiator was at 245° by the time I got home. Was running around 230° before I stopped for gas. Why would I want to run transmission fluid through that?
Last edited by Reid Fleming; 12-19-2009 at 10:08 PM.
#37
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Car: 1989 GTA
Engine: SuperRam 350
Transmission: Pro Built S/S TH700R4
Axle/Gears: 3.27
Re: transmission cooler
Our family does not do any towing but a transmission cooler on a factory vehicle seems to be only part of a "trailer package". Am I over estimating the value of such a cooler on prolonging the life of these fancy 6 speed automatic transmissions that won't experience any towing? But maybe the cost of the trailer package isn't much different that installing an aftermarket cooler . What do you think?
#38
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Car: 89 rs black
Engine: 305 v8 tbi
Transmission: 700r4 stock
Re: transmission cooler
o.k please help me out and tell me step by step how do I hook up a cooler it is required for the warranty on tranny. somebody help me please thk you.
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