(ARE pumps) or in the case of scavenge only systems, from the fitting in the pan that supplies the internal oil pump. If you can not get to the bottom drain plug, the oil can be ( mostly) drained by un screwing the line hose end that is connected to the oil supply fitting on rear bottom of the dry sump pump pressure stage. Remove this plug to drain the majority of the oil. However, there will still be oil in the pan, lines and filter.ġ) ARE dry sump oil tanks have a threaded "O" ring plug in the very bottom of the tank, under the cone shaped bottom. Dry sumps differ from standard wet sump systems in that the majority of the engines oil is stored in the Dry Sump tank. To change oil in a Dry Sump System, the oil should first be still warm from running. Every engine / Pump is slightly different, but usually one turn will increase or decrease pressure by 20-30 PSI Then tighten the nut back up. On the rear, BOTTOM ( INLET SIDE) of the pump there is a hex nut and threaded adjusting screw pointing up ( vertically ) Loosen the hex nut, and with an allen wrench, screw the adjuster IN ( CLOCKWISE) to increase Pressure, and COUNTER CLOCKWISE to back it off ( reduce pressure). On our 3, 4 stage, and up DrySump Pumps WITH a pressure stage ( NOT scavenge only) pressure can be adjusted. (within minutes) Adjusting Pressure on Dry Sump Pumps NOTE: Make sure engine is run prior to checking as oil can find it's way back to pan via gravity, giving a wrong tank level reading.
#Oil pump torque spec evom install#
(See instructions on LS7 Install Instructions #7-8 Click Here) after running remove cap and look at oil level through cap/filler hole. On ARE Dry Sump Tanks- oil level in operation should be at or just below slotted or screened baffle at upper portion of tank. This same type belt tensioning system is used to "fine tune" belt tension on our side mount pumps only with 4 washers or equal thickness under each pump mount "Leg." Checking Oil Level in Tank the slack side of belt should be able to twist approx.
Conversely- belt should not have too much slack. The belt should be "Taught" but never tight. the belt tension is pre-determined and only needs to be adjusted slightly as block variations dictate, by using 2 precision flat washers between pump mount bracket, and black/ARE triangular plate. The ARE "Direct to Block" mounting system is specially designed to allow both Y body corvette and F body systems to be driven with out HTD/ATI drive assembly. Generally we design the drive system to run the pump at between 50-65% of crankshaft speed. On our Stage II, III or IV systems we always use a HTD (High Torque Drive) Round tooth metric, or Gilmer (Square tooth) drive assembly. NOTE: These systems use the stock internal pump to supply pressure Stage II & III Pumps w/pressure stage
#Oil pump torque spec evom series#
Our Scavenge only systems as used on Chevrolet LS series Engines- ARE Stage 1 systems, are typically driven with serpentine belt drives, using our 8005 or 8007 (Y or F) body dampers, and 3020YM or 3020FM pump mount/tensioner assemblies. NOTE: From index on Home Page- Go to "Drives" and "Drive Gallery" for photos and information, located in index on left. Engine RPM Spec 2.Dry Sump oil pumps, whether scavenge only pumps, or 3-5 stage pumps with pressure stage, are generally driven off the crankshaft, either by special ATI Dampers built for ARE with pump drives incorporated or with drive mandrel/Pulley assemblies bolted to front of c/s Damper/Pulley.
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