Ls1 Water Pump Flow Diagram
Cooling cycle coolant is drawn from the radiator outlet and into the water pump inlet by the water pump.
Ls1 water pump flow diagram. The ls3 should be the same. Hptuners vats removal fuel pump. The offset remains the same as with early pumps but you do not want to swap a dod pump onto a non dod engine. I just want to make this clear for anyone that tries to replicate it that you have the ls2 water pump.
The ls1 ls3 pumps are interchangeable. Here is the coolant flow cycle as described in the service manual for the ls2. The ls3 is on the opposite side. Your water neck is on the normal side.
Automotive junkie 4 679 views. The lsx has both the in and out ports in the block in is low rectangular port out is top round port each bank of the engine is separate merging diverting in the water pump. Meziere enterprises wp419n meziere high flow mechanical water pumps compare water pump mechanical high volume counterclockwise aluminum natural cadillac chevy pontiac each. Reverse flow cooling system lt1 z28 camaro duration.
Some coolant will then be pumped from the water pump to the heater core then back to the water pump. The 1999 2005 trucks use a specific water pump but in 2007 the design changed to dod. Gm lsx coolant flow path. Hope that helps paul.
Rick r 24 727 views. Goosse performance 557 views. Flowing anywhere from 20 to 36 gallons per minute gpm of coolant when installed most electric water pumps can flow over three times what their mechanical counterparts are capable of at idle. When we test a 55 gallon per minute rated pump inside of a v8 system with a 17 by 22 inch radiator we see about 22 gallons per minute says meziere.
The ls3 pump uses a lighter pulley with about 4 pounds of weight. Edited july 30 2009 by braap typos. Nycblazer your water pump is not an ls3 pump. Install lsx innovations relocation kit and new ls1 water pump on ls swaped fired bird.
Trans am ls1 water pump replacement duration. Lsx engine have traditional coolant flow block first then the heads and out.