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7

installing env-131

1.  Ensure that the O-ring is properly seated in the top of ENV-131 as shown 

in Figure 1.

2.  Lubricate the O-ring with oil.
3.  Using a 1 

1

/

4

 socket, secure ENV-131 to the oil filter threads on the 

engine block or oil pan using the included filter screw (HSC-104X). 

4.  Torque HSC-104X to 20 lb-ft (27 N-m).
5.  Lubricate the sandwich plate fitting flares with oil and connect the oil 

lines.

6.  Torque both fitting connections on ENV-131 to 25 lb-ft (34 N-m).

  Use aluminum tools to avoid damage to fittings.

COMPleting the installatiOn

1.  Fill a new oil filter with oil and install the filter onto the sandwich plate.

  Lubricate the oil filter seal with engine oil prior to installation.

2.  Check the engine oil level and add oil if needed.
3.  Remove the fuel pump fuse(s) or disconnect the ignition circuit. 

  Consult the vehicle’s factory owners manual for the fuse location.

4.  Crank the engine over to build oil pressure.
5.  Replace any fuse(s) removed and/or reconnect the ignition circuit.
6.  Start the vehicle and inspect for leaks.
7.  Turn-off the vehicle and inspect the engine oil level. Add oil if necessary.
8.  Reinstall any underbody panels and safely lower the vehicle back onto 

the ground.

9.  Re-inspect the oil lines and fittings for leaks after 100 miles of driving.

Installation is now complete. Thank you for purchasing an Improved Racing 

product!

Summary of Contents for ENV-131-TX

Page 1: ...STAT Part No ENV 131 Tx Made in USA IMPORTANT Please read these instructions in their entirety prior to installation For contact information visit www improvedracing com Copyright 2008 2020 Improved Racing Products LLC All rights reserved Rev 200414 ...

Page 2: ...icles are not directly supported ENV 131 is offered in the following oil filter thread sizes 3 4 16 UNF 2A 3 16 16 UN 2A M20x1 50 6h M22x1 50 6h Parts List Schematic Item Qty Part Number Description 1 1 ENV 131 Thermostatic Sandwich Plate 2 1 HSC 104X Oil Filter Adapter Screw Choose Thread Size 3 2 HRG 1022 AS568 230 Square O Ring 1 3 2 Figure 1 ENV 131 Schematic ...

Page 3: ...ale Flare 7 8 14 UNF 2A Housing Material CNC Milled 6061 T6 Billet Aluminum Housing Finish MIL A 8625 Type II Anodizing Valve Material CNC Milled 6061 T6 Billet Aluminum Thermal Actuator Brass Body Steel Ram Paraffin Wax Valve Spring 304 Stainless Steel Passivated per ASTM A967 Seals Viton FKM Elastomer Filter Screw Material CNC Milled 410 Stainless Steel Estimated Service Life 10 000 Heat Cycles ...

Page 4: ...ild Kit or ship it back to Improved Racing for a professional rebuild Rebuild Kits can also be used to change temperatures When the heat extraction rate of your heat exchanger is matched to the heat load and flow rate of the engine and engine oil the oil temperature returning to the engine will normally register at the Stabilization Tem perature shown above Operation flow diagram Figure 3 illustra...

Page 5: ...ypasses the heat exchanger Oil from engine bypasses back into filter and returns to engine 2 to 4 percent oil flow to cooler warms lines and reduces thermal shock Figure 3 Oil Path During Engine Warm Up FULL FLOW 100 percent of the oil flows to the heat exchanger ENGINE COOLER Figure 4 Oil Path at Operating Temperature ...

Page 6: ...ld result in severe engine damage Lubricate O rings prior to installation to prevent damage and ensure a leak free seal Preparing for Installation 1 Open the hood and or raise the vehicle to access the oil filter 2 Support the vehicle with automotive certified jack stands power lift or wheel ramps Lift points can be found in the vehicle owners manual 3 Remove any covers or panels necessary to acce...

Page 7: ... new oil filter with oil and install the filter onto the sandwich plate Lubricate the oil filter seal with engine oil prior to installation 2 Check the engine oil level and add oil if needed 3 Remove the fuel pump fuse s or disconnect the ignition circuit Consult the vehicle s factory owners manual for the fuse location 4 Crank the engine over to build oil pressure 5 Replace any fuse s removed and...

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