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Where to connect coolant crossover line?

Conversions & Swaps LSX Engines in Non-LSX Vehicles

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Where to connect coolant crossover line?

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Old

Aug 22, 2007 | 10:25 AM

#1

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Where to connect coolant crossover line?

Where do I connect the coolant crossover line(under the intake/in front)? My radiator doesn't have any extra fittings to connect to and I don't think my water pump does either(truck pump). Do I run it to a catch can or block it off? I'm not sure where it's supposed to be going. Thanks.

Old

Aug 22, 2007 | 10:34 AM

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From: Kansas City metro area

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It needs to go to a high spot in the pressurised cooling system.

Old

Aug 22, 2007 | 10:38 AM

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So I should tap my radiator(in a high spot) and install a fitting to connect it to?

Old

Aug 22, 2007 | 11:15 AM

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Other options are:

Tee' into the upper Radiator hose
Tee' into the Heater hose
tap the flat spot on the water pump and connect there.
Add a fitting to the radiator neat the top of the tank (no you cannot (edit, sorry, typo) connect to the purge/overflow tank or the fitting on the Radiator cap)

Last edited by bczee; Aug 22, 2007 at 12:19 PM.

Old

Aug 22, 2007 | 11:31 AM

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The radiator is fine as are the suggestions that bczee made. The overflow will not work.

Old

Aug 22, 2007 | 11:56 AM

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I drilled and tapped the top of the water pump and mine works fine.

Old

Aug 22, 2007 | 03:59 PM

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I think I'll tap the radiator. Thanks for the help ya'll.

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Old

Aug 22, 2007 | 05:16 PM

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I teed into the heater hose, have put 1000 miles on it with no issue...

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53, connect, connected, connection, coolant, crossover, ford, line, ls1, radiator, raidaitor, what

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