Ls1 Water Pump Flow Diagram

The ls1 ls3 pumps are interchangeable.

Ls1 water pump flow diagram. Your water neck is on the normal side. 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. 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. Gm lsx coolant flow path.

The ls3 is on the opposite side. Hptuners vats removal fuel pump. The ls3 should be the same. Lsx engine have traditional coolant flow block first then the heads and out.

The offset remains the same as with early pumps but you do not want to swap a dod pump onto a non dod engine. Meziere enterprises wp419n meziere high flow mechanical water pumps compare water pump mechanical high volume counterclockwise aluminum natural cadillac chevy pontiac each. The 1999 2005 trucks use a specific water pump but in 2007 the design changed to dod. 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.

The way you have your belt setup the outlet for the water pump would be in the way. I just want to make this clear for anyone that tries to replicate it that you have the ls2 water pump. Rick r 24 727 views. Here is the coolant flow cycle as described in the service manual for the ls2.

Nycblazer your water pump is not an ls3 pump. Reverse flow cooling system lt1 z28 camaro duration. Automotive junkie 4 679 views. Cooling cycle coolant is drawn from the radiator outlet and into the water pump inlet by the water pump.

Not all 2007 c k engines use this pump. Trans am ls1 water pump replacement duration. Goosse performance 557 views. Ls 350z first start.

Some coolant will then be pumped from the water pump to the heater core then back to the water pump. Edited july 30 2009 by braap typos.