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

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Old Mar 2, 2010 | 01:48 PM
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does anyone know where I can purchase the oil cooler hoses for an 89 coupe. I've tried many places to no avail. I have been told they don't make them anymore
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Old Mar 2, 2010 | 08:14 PM
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That's true, I just removed my cooler for same reason and fact that I switched to synthetic oil

Try Autozone, bring the hoses with you. They have a pretty good inventory of formed hoses and you might find some you can make workt, just try to make regular hoses fit.

I have had no adveerse effects from removing cooler. My oil temps were always lower than I liked

good luck
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Old Mar 2, 2010 | 08:35 PM
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go to any industrial business that makes hydraulic hoses; take your old hose as a model. shouldn't be a problem.
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Old Mar 2, 2010 | 10:23 PM
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Originally Posted by dhags
does anyone know where I can purchase the oil cooler hoses for an 89 coupe. I've tried many places to no avail. I have been told they don't make them anymore
One is a straight piece of heater hose to hook up to the hard line; the other has a 90 degree bend to the block fitting.
If you put a 90 degree fitting in the block facing rearwards you can use a short section of hose to connect to the cooler.
Or go to a auto parts shop and look at their generic 5/8" heater hoses; many have suitable bends that you can just cut to fit

Originally Posted by mtwoolford
go to any industrial business that makes hydraulic hoses; take your old hose as a model. shouldn't be a problem.
They are not pressure hoses ; just ones for coolant

Last edited by rodj; Mar 2, 2010 at 10:26 PM.
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Old Mar 2, 2010 | 11:22 PM
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I had a friend in the US help me order them from a dealer. Just checked my old emails...

here you go!!
14084012 and 14084013
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Old Mar 2, 2010 | 11:22 PM
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FYI

http://www.corvettefever.com/techart...nce/index.html
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Old Mar 3, 2010 | 09:15 AM
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Originally Posted by rodj
Or go to a auto parts shop and look at their generic 5/8" heater hoses; many have suitable bends that you can just cut to fit

That's what I did
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Old Mar 3, 2010 | 09:15 AM
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I believe you can still get those 2 smaller hoses through Ecklers or Corvette Central, etc.

Though, what is that fan used for in front of the radiator? It looks like it is part of the oil cooler package. I've never seen that fan turn on.
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Old Mar 3, 2010 | 10:41 AM
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Originally Posted by jackdaroofer
Try Autozone, bring the hoses with you. They have a pretty good inventory of formed hoses and you might find some you can make workt, just try to make regular hoses fit.
good luck

That what I did, took my hoses and choose a hose that matched, cut it to fit, easy.
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Old Mar 3, 2010 | 11:29 AM
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Originally Posted by joshwilson3
I believe you can still get those 2 smaller hoses through Ecklers or Corvette Central, etc.

Though, what is that fan used for in front of the radiator? It looks like it is part of the oil cooler package. I've never seen that fan turn on.
Auxiliary fan should come on at approximately 235 degrees if fan, sensor & relay is working properly. Mine has only come on a couple of times in the dead of summer climbing hard up steep winding mountains roads. FWIW.
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Old Mar 3, 2010 | 02:05 PM
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Originally Posted by pmihaltian
Auxiliary fan should come on at approximately 235 degrees if fan, sensor & relay is working properly. Mine has only come on a couple of times in the dead of summer climbing hard up steep winding mountains roads. FWIW.
Oh. The stock fan turns on at 228, right?
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Old Mar 3, 2010 | 07:57 PM
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Originally Posted by joshwilson3
what is that fan used for in front of the radiator? It looks like it is part of the oil cooler package..
The aux fan and oil cooler were included in the Z51 package but also available as seperate standalone options
B4P Boost fan
KC4 Oil cooler
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Old Mar 4, 2010 | 06:39 AM
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Originally Posted by rodj
The aux fan and oil cooler were included in the Z51 package but also available as seperate standalone options
B4P Boost fan
KC4 Oil cooler
I'm guessing the boost fan is just back up if for some reason the regular fan isn't able to keep the temp below a certain point?
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Old Mar 4, 2010 | 07:13 AM
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Aux fan if fitted runs @238F. Under normal driving most never have it come on. If you get a replacement fan switch from Ecklers , et al , you can have it come on earlier
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