Ls Water Pump Flow Diagram
Automotive junkie 4 679 views.
Ls water pump flow diagram. Here is actual proof on the direction of flow. On a sbc the thermostat is located on the outlet. 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. 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.
Edited july 30 2009 by braap typos. For street applications you want an extreme duty motor that delivers as much gpm as possible in the 45 to 55 range. The ls3 in my hot rod has the stock thermostat and the computer is programmed to turn the fan on at 207f or 97c. This is a discussion on coolant flow direction within the general help forums part of the lsx technical help section category.
This info is also located in a book called gm ls series engines. Moroso s bbc electric water pump weighs just 8 1 2 pounds. Gm lsx coolant flow path. Trans am ls1 water pump replacement duration.
On an ls1 the thermostat is located on the water pump inlet. The ls3 should be the same. Hate being wrong but i was. I replaced the water pump.
Normal water flow through a radiator has the hot water coming in at the top and cooler water out at the bottom. Hope that helps paul. 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. From 20 to about 60 gallons per minute gpm.
Lsx engine have traditional coolant flow block first then the heads and out. 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. Cooling cycle coolant is drawn from the radiator outlet and into the water pump inlet by the water pump.
The end result is that it eliminates the bulky ls water pump with a more compact cost effective pump says schroeder. There are several flow ratings for electric pumps. With an ls motor the bottom hose feeds to the thermostat housing which is just the opposite of most engines. Thats why gm calls it the water pump inlet.
Some coolant will then be pumped from the water pump to the heater core then back to the water pump. Using state of the art racing technology edelbrock has designed these super cooling waterpumps to provide maximum flow maximum pressure and equal distribution to. Rick r 24 727 views. You can preview that page of the book on google books and read for yourself.
The complete swap manual on page 147.