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are oil coolers worth it?

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Old Jul 10, 2004 | 12:15 AM
  #1  
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
are oil coolers worth it?

would a transmission oil cooler be worth it for my car? what about an oil cooler for engine oiL?
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Old Jul 10, 2004 | 12:46 AM
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From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
Your car should already have a tranny cooler in the radiator, but yes the cooler the tranny the better. So you could add an another one to make things even cooler. As for the oil cooler, i don't think that your oil will ever get hot enough to cause damage, or be burnt. Also you want your oil to be as hot as possible to that it is really thin and make more power.
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Old Jul 10, 2004 | 12:47 AM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
i ahve a tranny cooler even though its a 5 speed?
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Old Jul 10, 2004 | 04:46 AM
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
No, no transmission cooler on a manual, and there's not really much point to trying to add one.
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Old Jul 10, 2004 | 05:27 AM
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From: Arizona
Car: Camaro
Engine: 5.7 Liter 350 Chevy
Transmission: GM Turbo 400
i wouldnt worry about an oil cooler unless you were planning on building a Race Car
Attached Thumbnails are oil coolers worth it?-dktext.jpg  
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Old Jul 10, 2004 | 10:36 AM
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Originally posted by Dark_Knights
i wouldnt worry about an oil cooler unless you were planning on building a Race Car
Or live in Death Valley.
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Old Jul 17, 2004 | 02:23 AM
  #7  
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From: Wahiawa, Hawai'i
Car: 1989 TTA
Engine: LC2
Transmission: Worn-out 200R4
Axle/Gears: BW 9-bolt, 3.27's
Funny, a lot of the L98 cars came with them from the factory, so you know that GM believes in them. Not sure if they're truly important or needed, but I'm not going to remove mine anytime soon, nor am I going to add one to every car I got, unless I got plans to hop it up a lot.
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Old Jul 17, 2004 | 02:33 AM
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From: E.B.F. TN
Car: Tree Huggers
Engine: Do Not
Transmission: Appreciate Me.
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Old Jul 17, 2004 | 10:18 AM
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From: SE Michigan
Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
There were thousands of L98 and G92 LB9 with KC4....
normal oil temp is around 250-260 degress while the water temp is right around 200...haveing very hot oil will give you a tad more power, but what about thermal breakdown...im to lazy to go into the details but i dont need to....HOT oil is not a good thing, thats why there are oil coolers...and id hardly call a stock L98 a "race car"....VERY warm oil (225 degress or so) is what you should shoot for...for a "race car" the hotter the better becasue your not after reliability, and even then the 50 degress in oil temp difference wont get you that much more power, but it WILL cause less oil life and more wear and tear...

if you have one why not use it?....
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Old Jul 17, 2004 | 10:39 AM
  #10  
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From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
Engine oil coolers are real neato for long trips and sever service use. Other then that they neither take away or give anything to engine life or performance. Ive got one on my bird because the adaptor and hard lines were free.

I Beleive its honda that uses a transcooler for thier standard transmissions so It could be done just isnt worth it.
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Old Jul 17, 2004 | 10:41 PM
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225 is a bit high for oil. Most reccomend 135* F for an optimal oil temp
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Old Jul 18, 2004 | 02:07 AM
  #12  
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Originally posted by Morley
225 is a bit high for oil. Most reccomend 135* F for an optimal oil temp
Maybe for transmission fluid, I don't think I've ever seen an oil temperature below 250.
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Old Jul 18, 2004 | 02:47 PM
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Originally posted by Apeiron
Maybe for transmission fluid, I don't think I've ever seen an oil temperature below 250.
I have an oil temp guage in my car and it reads 130-140* F depending on the OAT (outside air temp).

I think it was Car Craft that did an article on oil coolers and the reccomended temp's for oil. They listed 135 as the "optimal" temp. as did some other sources.
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Old Jul 19, 2004 | 12:08 AM
  #14  
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Where is your sender? I have one in the pan and it's always at least 230.
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Old Jul 19, 2004 | 07:50 AM
  #15  
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From: Charleston, SC
Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
the 400 i had in my old 82 would always have low low oil pressure once it got warm and im idling..... sure it was fine above that, but being younger, i hated and feared for the life of my engine when i saw low pressure and coolent temps over 200 lol..

anyway, i stuck a oil cooler on the car... not only was the pressure at idle better, but the oil looked nicer when i changed it...


1/3rd of your engines cooling is from your oil. it makes sence to have a nice oil cooler.

if you're not running longtubes, i reccomend a cheap spin on adapter between the oil filter and block, and a nice cooler up front.

if you have longtubes, it wont clear... with longtubes, id get a "filter relocation kit" and relocate the filter, then run the cooler inline with that.
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Old Jul 19, 2004 | 10:06 AM
  #16  
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Originally posted by Apeiron
Where is your sender? I have one in the pan and it's always at least 230.
In-line with the sender
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Old Jul 19, 2004 | 05:02 PM
  #17  
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From: Edinburgh, Scotland
Car: 1985 Chevy Camaro IROC-Z
Engine: 350ci from 79camaro
Transmission: 5 speed manual on lsd
Originally posted by Apeiron
Where is your sender?

Originally posted by Morley
In-line with the sender
So the Sender is inline with the Sender???? huh?

Si.
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Old Jul 20, 2004 | 01:40 AM
  #18  
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Originally posted by iroc-si
So the Sender is inline with the Sender???? huh?

Si.
In the same line as the sender, not hooked to the sender
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Old Jul 20, 2004 | 06:52 AM
  #19  
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From: Edinburgh, Scotland
Car: 1985 Chevy Camaro IROC-Z
Engine: 350ci from 79camaro
Transmission: 5 speed manual on lsd
Okay, Where in your oil system is the oil temperature sender(aka sensor)? What other sender are you talking about?

Also are you sure the temperature reading that you have quoted as the recomended etc is 135*F and not 135*C. Reason I ask is that 135*C is something like 275*F which is hot but closer to what might be expected.

Si.
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Old Jul 20, 2004 | 10:11 AM
  #20  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
I'll risk a guess that his oil temperature sender is in line with the oil pressure sender.

If that's the case, it's dead-headed and is not reading the temperature of the oil that is circulating through the engine.
Keeping the oil cooler helps reduce the oxidation of petroleum-based oil and viscosity index improver additives. The '90 Bonneville SSE I got with 104k on it had one of the cleanest engine internals I've seen in an engine that used petroleum-based oil. The system they used for that model was different than the 3rd gen system, though - more like the tranny cooler that routes the oil to a heat exchanger in the radiator tank.

A really inexpensive alternative to an engine oil cooler is synthetic base engine oil.

Last edited by five7kid; Jul 20, 2004 at 10:14 AM.
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Old Jul 20, 2004 | 02:26 PM
  #21  
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Car: '89 IROC-Z
Yea, I work at an oil change place man, I don't need no 250 degree oil comming down on me, thank you very much.
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Old Jul 20, 2004 | 10:54 PM
  #22  
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From: SE Michigan
Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
Originally posted by MrDude_1
the 400 i had in my old 82 would always have low low oil pressure once it got warm and im idling..... sure it was fine above that, but being younger, i hated and feared for the life of my engine when i saw low pressure and coolent temps over 200 lol..

anyway, i stuck a oil cooler on the car... not only was the pressure at idle better, but the oil looked nicer when i changed it...


1/3rd of your engines cooling is from your oil. it makes sence to have a nice oil cooler.

if you're not running longtubes, i reccomend a cheap spin on adapter between the oil filter and block, and a nice cooler up front.

if you have longtubes, it wont clear... with longtubes, id get a "filter relocation kit" and relocate the filter, then run the cooler inline with that.


My factory oil cooler fits no problem with my heddman longtubes
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