C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1985 stock oil cooler hose replacements

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Old 01-05-2019, 06:12 PM
  #21  
Steel Breeze
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Originally Posted by Calderone
Nice! I was looking at it a couple months ago and the area where the hose is attached was totally rusted! I moved it a bit to check if the hose was tight and guess what! it broke right away, I don't know how come it did not break while driving! it was a tiny effort to break it so ....what's needed to delete this?
i want to put the filter right there but i think i will need to cap something in the block and the hoses, i will be pulling the engine soon as well so i will be doing all of this. Thanks in advance C4Crew!
I honestly think the oil filter will spin on right where the oil cooler sets now, But I'm not absolutely sure so I thought I would inquire as I don't want to get the thing apart and need extra parts. Then, that oil send and return is naked to all the dust and particles floating around. When you approach anything to do with lubricants it needs to be a sanitary white glove affair...

Last edited by Steel Breeze; 01-05-2019 at 06:13 PM.
Old 01-05-2019, 06:18 PM
  #22  
BLUE1972
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I tend to agree = more of an oil pre heater than cooler. I would be amazed if it dropped the temp 5 deg.

If it stops raining very hard - I go to the shop and pull the shop Manual
Old 01-05-2019, 06:54 PM
  #23  
Steel Breeze
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Originally Posted by BLUE1972
I tend to agree = more of an oil pre heater than cooler. I would be amazed if it dropped the temp 5 deg.

If it stops raining very hard - I go to the shop and pull the shop Manual
That oil cooler/warmer is roughly 2-1/8" tall. I thought perhaps the autoparts people may know of an oil filter of the same diameter, but a couple inches longer to add a cup or so extra capacity.

Last edited by Steel Breeze; 01-05-2019 at 06:55 PM.
Old 01-05-2019, 07:34 PM
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ChumpVette
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Originally Posted by Steel Breeze
Man! I hate to re-hash an old thread. I have aspirations of removing the stock oil cooler from my 88 Z51 and as near as I can tell (from looking at a million pictures) that the oil cooler is spin on. Was wondering if anyone can verify this for me? Was not sure if I would have to by a "spin on" adaptor or not. Thanks...
the adapter plate bolts on.
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Old 01-05-2019, 08:07 PM
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BLUE1972
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I kind of remember a large nut in the center on the threads ? it's been 10 years … I've worked on a number of cars ,,so ?
Old 01-05-2019, 08:32 PM
  #26  
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I found this, still poring …. rain ,,,



Old 01-05-2019, 10:24 PM
  #27  
Steel Breeze
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Originally Posted by ChumpVette


the adapter plate bolts on.


Originally Posted by Ihatebarkingdogs

PF35
Thank you gentlemen...

Last edited by Steel Breeze; 01-06-2019 at 01:09 PM.
Old 01-06-2019, 12:10 AM
  #28  
xrav22
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The cooler comes down by just removing the nut above the filter. It is around 3/4(not positive). It does work as I had a blockage at the block. No anti freeze flow.
My oil temps hit 240 while antifreeze was 210. Oil ran 240 or higher even when water was 185. Now I freed up the flow and temps stay even but oil will get to 225 when water gets to 220 or so. No 240 anymore.
That was the design to keep regular oil cooler. With synthetic they got rid of it because oil can then go to 300. Regular oil will do better with the KC4 cooler.
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Old 01-06-2019, 01:09 PM
  #29  
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Originally Posted by xrav22
The cooler comes down by just removing the nut above the filter. It is around 3/4(not positive). It does work as I had a blockage at the block. No anti freeze flow.
My oil temps hit 240 while antifreeze was 210. Oil ran 240 or higher even when water was 185. Now I freed up the flow and temps stay even but oil will get to 225 when water gets to 220 or so. No 240 anymore.
That was the design to keep regular oil cooler. With synthetic they got rid of it because oil can then go to 300. Regular oil will do better with the KC4 cooler.
That is exactly the way I had it figured on the oil, regular vs. synthetic. Thanks...
Old 01-06-2019, 03:21 PM
  #30  
VikingTrad3r
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The KC4 cooler should be called a heat regulator and it really does work very well.

Its not going to "cool" its going to keep your oil temps within 5-7 degrees of your coolant. Which is just fine.

I don't know why people rag on the KC4, here is my experience as I fought to fix an overheating problem with an 86 base 4+3 that did not have a kc4. I added the kc4 and it definitely helped!

https://www.corvetteforum.com/forums...e-cause-3.html

For the install, all I had was the kc4. I did not have any of the plumbing. I used silicone hose everywhere and used a 90 degree fitting off the block for a straight shot into the kc4. As suggested above.
Old 01-06-2019, 10:09 PM
  #31  
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Originally Posted by VikingTrad3r
The KC4 cooler should be called a heat regulator and it really does work very well.

Its not going to "cool" its going to keep your oil temps within 5-7 degrees of your coolant. Which is just fine.

I don't know why people rag on the KC4, here is my experience as I fought to fix an overheating problem with an 86 base 4+3 that did not have a kc4. I added the kc4 and it definitely helped!

https://www.corvetteforum.com/forums...e-cause-3.html

For the install, all I had was the kc4. I did not have any of the plumbing. I used silicone hose everywhere and used a 90 degree fitting off the block for a straight shot into the kc4. As suggested above.
I went through your entire thread posted above. Very interesting experimentation indeed. I have a new pair of hooker headers that I am putting on my car and they come painfully close to those oil cooler/warmer lines. When I went to take the radiator lines off from the cooler/warmer, they were as hard as a rock and just broke apart. So obviously they do not like heat. Also, my cooler/warmer looks like it has a small leak around one of the fittings. I just can't trust it and finding a new one would be tough. There are used units all over the place, but with those you may end up with the same problem. I'm thinking chevy could have made them a little more heavy duty. Right now they are not much more than a soup can with 5/8" fittings brazed on. I do know those header are going to get hot and are quite a bit closer to those cooler/warmer lines. I'll have to think on it. with that being said, I noticed the pictures of your vacuumed up collection between your condenser and the radiator. Here is a couple pictures of mine, I believe it was 2006 or 2007 that I cleaned and took care of all that stuff.



Last edited by Steel Breeze; 01-06-2019 at 10:10 PM.
Old 01-06-2019, 10:38 PM
  #32  
VikingTrad3r
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lotsa junk in there!

is that a factory colour on your car? what year? pics?
Old 01-07-2019, 01:44 PM
  #33  
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Years ago when I was racing I would go to the local tractor trailer shop and get their silicone hoses. They were 2 layers of High pressure hose with nylon or fiberglass roving in between. They lasted for -ever and would take any temp you threw at it. .

Sometimes they were green/green or red/blue.
Old 08-06-2019, 11:58 AM
  #34  
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Guys, I'm back at the old '87 again, will post a thread soon, so any of you had it delete?
I want to have the filter right there with no extra hoses, any ideas on which hoses to delete and which not?
Plus I will have to cap the block port as well.
Thanks
Sammy
Old 08-06-2019, 12:09 PM
  #35  
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