LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

What are these hoses?

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Old 05-08-2003, 10:28 PM
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What are these hoses?

I've asked some guys with 95 cars and they don't have them.
Mine's a 94.

There is one hose from the waterpump and one from the radiator (kinda y's into the rad hose) and then heads down along the drivers side of the block down low...

They are about the size of heater hoses, but from the top I don't see where they go...
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Old 05-08-2003, 10:31 PM
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The factory oil cooler?
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Old 05-08-2003, 10:32 PM
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didn't think about that...is it water cooled?
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Old 05-08-2003, 10:36 PM
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Yep, the cooler is sandwiched between the oil filter and engine block and uses engine coolant.
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Old 05-08-2003, 10:52 PM
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Oil cooler
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Old 05-08-2003, 10:59 PM
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Originally posted by shoebox
Oil cooler
you rock shoebox was that an option or only on certain year cars?
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Old 05-08-2003, 11:06 PM
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ack! those diagrams give me headaches...
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Old 05-08-2003, 11:35 PM
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Originally posted by Timberwolf
you rock shoebox was that an option or only on certain year cars?
They were an option through '95 that was included with many option groups (don't know the specifics). There are '95's that supposedly should have them but don't, like mine Although mine was built late in the MY.

Very ineffecient design for a heat exchanger. "Back in the day" a few people nuked their bearings after cam swaps as some RTV floating around in the oil would clog it.
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