Ls Water Pump Flow Diagram
Here is actual proof on the direction of flow.
Ls water pump flow diagram. The ls3 in my hot rod has the stock thermostat and the computer is programmed to turn the fan on at 207f or 97c. Edited july 30 2009 by braap typos. Automotive junkie 4 679 views. Hate being wrong but i was.
Thats why gm calls it the water pump inlet. On a sbc the thermostat is located on the outlet. The ls3 should be the same. There are several flow ratings for electric pumps.
Normal water flow through a radiator has the hot water coming in at the top and cooler water out at the bottom. Using state of the art racing technology edelbrock has designed these super cooling waterpumps to provide maximum flow maximum pressure and equal distribution to. You can preview that page of the book on google books and read for yourself. Here is the coolant flow cycle as described in the service manual for the ls2.
The meziere ls pump provides 55 gpm as does the cvr electric ls pump. On an ls1 the thermostat is located on the water pump inlet. For street applications you want an extreme duty motor that delivers as much gpm as possible in the 45 to 55 range. I replaced the water pump.
Rick r 24 727 views. The complete swap manual on page 147. 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. The end result is that it eliminates the bulky ls water pump with a more compact cost effective pump says schroeder.
With an ls motor the bottom hose feeds to the thermostat housing which is just the opposite of most engines. Lsx engine have traditional coolant flow block first then the heads and out. Cvr s ls series accessory drive kits are made from 6061 t6 billet aluminum and are an attractive solution to plain stock drive assemblies when retrofitting an ls engine into a muscle car truck and hot rod. Edelbrock 8895 water pump gm gen iii ls1 gen iv ls engines insert style ideal to prevent overheating in street rods and street machines as well as in tow rigs and motorhomes.
Cooling cycle coolant is drawn from the radiator outlet and into the water pump inlet by the water pump. Moroso s bbc electric water pump weighs just 8 1 2 pounds. Hope that helps paul. Gm lsx coolant flow path.
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. From 20 to about 60 gallons per minute gpm. Electric water pumps weigh less than mechanical water pumps so they are used when someone is trying to get every last pound that they can out of a car.
This is a discussion on coolant flow direction within the general help forums part of the lsx technical help section category.