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What is this thing?

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Old Jun 23, 2002 | 01:40 PM
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Default What is this thing?
On the coolant line going to the fire wall i have a rubber nipple that hold the coolant in. I am not sure if that is how they are of if some one jerry rigged it.. any idea?
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Old Jun 24, 2002 | 01:22 AM
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Old Jun 24, 2002 | 01:26 AM
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Default Re: (scorp508)
That thing with the rubber cap and hose clamp. This normal?
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Old Jun 24, 2002 | 01:31 AM
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On my car it goes to where I thought it did in the IM.

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Old Jun 24, 2002 | 01:33 AM
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Default Re: (scorp508)
Where does the other end go? You have a hose off on your breather cap. :)
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Old Jun 24, 2002 | 01:34 AM
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Red arrow on the left is where your cap thing is. Red arrow on the right is where the line connects to. Green arrow is where I had the end tucked out of the way while working on the engine.

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Old Jun 24, 2002 | 01:35 AM
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Where does the other end go? You have a hose off on your breather cap. :)
See new pic. :) Yeah, I was waiting for the '88+ style breather line to come in when that shot was taken.
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Old Jun 24, 2002 | 01:38 AM
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Here is a closeup of the end it connects to.

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Old Jun 24, 2002 | 01:47 AM
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Default Re: What is this thing? (corvette0096)
The heater valve for the 85's is no longer available... so GM sells the one for the later model L98's with a plug on it. I have the same plug on my new unit. I think it was in late 86, when GM came out with the aluminum head L98, that this coolant circuit was added. If you look at later model L98 intakes there is rear coolant crossover support on the intake... our 85's did not have this...
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Old Jun 24, 2002 | 01:50 AM
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Default Re: What is this thing? (billreid1@***.net)
I just put in the zz4 with the accel base and left the rear passages open. Am I ok?


[Modified by corvette0096, 9:50 PM 6/23/2002]
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Old Jun 24, 2002 | 01:55 AM
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Default Re: What is this thing? (corvette0096)
I just put in the zz4 with the accel base and left the rear passages open. Am I ok?
By the way it looks on Scorps intake, which I assume is Accel,... looks like you just run a hose from the back of the intake to that plug on the heater valve. On our iron head L98's... rear coolant crossover isn't nearly important as with aluminum head L98's. So, if you installed a ZZ4 long block then yes... you would need to replicate Scorps setup to ensure adequate coolant flow :)


[Modified by billreid1@***.net, 11:57 PM 6/23/2002]
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Old Jun 24, 2002 | 01:58 AM
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Default Re: What is this thing? (billreid1@***.net)
Thanks
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