advance adapters inc. p/n: 712570 bellhousing for jeep 4.0 high
Contents
1. will be required to drill out the two lower holes in the new bellhousing and use your existing bolts SPECIAL NOTE The components packaged in this kit have been assembled and machined for specific type of conversions Modifications to any of the components will void any possible warranty or return privileges If you do not fully understand modifications or changes that will be required to complete your conversion we strongly recommend that you contact our sales department for more information This instruction sheet is only to be used for the assembly of Advance Adapter components We recommend that a service manual pertaining to your vehicle be obtained for specific torque values wiring diagrams and other related equipment These manuals are normally available at automotive dealerships and parts stores ADVANCE ADAPTERS INC P N 712570 P O Box 247 4320 Aerotech Center Way Paso Robles CA 93447 PAGE 2 OF 6 Telephone 800 350 2223 Fax 805 238 4201 Page Rev Date 07 16 13 BELLHOUSING FOR JEEP 4 0 HIGH OUTPUT 6 CYLINDER ENG TO GM SM420 TRUCK 4SP INSTALLATION INSTRUCTIONS Depending on the year of the vehicle that you are dealing with you will need to vary the clutch control requirements accordingly The bellhousing that we manufacture will use a GM clutch release arm along with a GM clutch release bearing Since you are using a GM transmission the N1430 release bearing and GM clutch release arm will work perfectly without any modif2. ADVANCE ADAPTERS INC P N 712570 P O Box 247 4320 Aerotech Center Way Paso Robles CA 93447 PAGE 1 OF 6 Telephone 800 350 2223 Fax 805 238 4201 Page Rev Date 02 10 09 BELLHOUSING FOR JEEP 4 0 HIGH OUTPUT 6 CYLINDER ENG TO GM SM420 TRUCK 4SP KIT CONSISTS OF Qty Part No Description 712570 BLK BELLHOUSING Transmission index diameter 4 686 716156GM PILOT BUSHING W 590 I D 716109 3 4 SOFT PLUG 716176 CLUTCH RELEASE ARM 716180 BALLPIVOT 716330 SPECIAL BOLTS FOR FLYWHEEL SENSOR 716332 CLUTCH ARM BOOT see NOTE 1 below 723134 H H C S 5 16 18 x 1 1 4 LG Slave Cylinder 724303 7 16 LOCK WASHERS 724328 H H C S 7 16 14x 1 1 4 LG Transmission JPOO1 JEEP INSTRUCTION MANUAL Z gt 1 2 3 4 5 6 7 8 9 10 11 BROAN FN RR Re NOTE 1 The throw out arm boot provided in this bellhousing kit was designed for a Jeep throw out arm The arm provided in this kit is a Chevrolet arm The boot may need to be modified for the correct arm location in the boot NOTE 2 The 4 0L blocks replacing a manual transmission used a 2 piece pilot bushing Both pieces must be removed the bearing and the sleeve If these pieces are not removed the new brass pilot bushing will not fit We do not offer a smaller pilot bushing to fit the reducer sleeve On 4 0L that were originally mated to a automatic the new pilot bushing will fit without any modifications NOTE 3 When using this bellhousing with a SM420 you
3. ING TO MOTOR 2 HOLES TO BE ELONGATED AS SHOWN LOWER SECTION OF TWO PIECE DUST COVER SPECIAL NOTE The components packaged in this kit have been assembled and machined for specific type of conversions Modifications to any of the components will void any possible warranty or return privileges If you do not fully understand modifications or changes that will be required to complete your conversion we strongly recommend that you contact our sales department for more information This instruction sheet is only to be used for the assembly of Advance Adapter components We recommend that a service manual pertaining to your vehicle be obtained for specific torque values wiring diagrams and other related equipment These manuals are normally available at automotive dealerships and parts stores ADVANCE ADAPTERS INC P N 712570 P O Box 247 4320 Aerotech Center Way Paso Robles CA 93447 PAGE 6 OF 6 Telephone 800 350 2223 Fax 805 238 4201 Page Rev Date 08 16 94 BELLHOUSING FOR JEEP 4 0 HIGH OUTPUT 6 CYLINDER ENG TO GM SM420 TRUCK 4SP THIS UPPER LOCATION IS FOR JEEP WRANGLERS 1987 TOCURRENT HYDRAULIC CLUTCH DRIVELINE ON DRIVERSIDE THIS LOWER LOCATION IS FOR JEEPS CJ5 CJ7 1972 TO 1986 MECHANICAL CLUTCH DRIVELINE ON PASSENGER SIDE e70 CRITICAL SELECTION FOR BALL STUD LOCATION SPECIAL NOTE The components packaged in this kit have been assembled and machined for specific type of conversions Modificati
4. PECIAL NOTE The components packaged in this kit have been assembled and machined for specific type of conversions Modifications to any of the components will void any possible warranty or return privileges If you do not fully understand modifications or changes that will be required to complete your conversion we strongly recommend that you contact our sales department for more information This instruction sheet is only to be used for the assembly of Advance Adapter components We recommend that a service manual pertaining to your vehicle be obtained for specific torque values wiring diagrams and other related equipment These manuals are normally available at automotive dealerships and parts stores ADVANCE ADAPTERS INC P N 712570 P O Box 247 4320 Aerotech Center Way Paso Robles CA 93447 PAGE 5 OF 6 Telephone 800 350 2223 Fax 805 238 4201 Page Rev Date 08 16 94 BELLHOUSING FOR JEEP 4 0 HIGH OUTPUT 6 CYLINDER ENG TO GM SM420 TRUCK 4SP NOTE THE LOWER DUST COVER MUST BE MODIFIED ACCORDINGLY BEFORE INSTALLATION OF SLAVE CYLINDER SLAVE CYLINDER SHOULD BE INSTALLED TO TOP OF DUST COVER NI amt A Coven ARE VARIOUS TYPES OF DUST i COVERS FOR THE JEEPMOTORS WHEN i YOU HAVE FOUND OR ALREADY HAVE THE PROPER DUST COVER YOU WILL NEED TO MODIFY IT ACCORDINGLY CUT OUT THIS AREA FOR SLAVE CYLINDER CLEARANCE BEFORE ASSEMBLING THE BELLHOUSING TO THE MOTOR FAILURE TO DO SO WILL RESULT IN DISASSEMBLY OF BELLHOUS
5. hat you check the input shaft tip engagement into the new pilot bearing after installation DO NOT FORCE THE TRANSMISSION INTO POSITION The flywheel must be 1 thick We have seen some flywheels up to 1 5 thick which can cause interference problems This 1 measurement should be taken from the crank flange to the clutch disc surface This bellhousing also requires the use of a diaphragm pressure plate Most Borg amp Beck 3 finger pressure plates will not work Prior to assembling the bellhousing onto the engine you will need to install the clutch ball pivot We have provided two 2 different locations depending on the year of the vehicle that the bellhousing is being installed into The upper location will be for Wrangler hydraulic clutch controls while of the lower location will be for mechanical clutch type controls Refer to Page 6 for additional information CAUTION On some of the early installations we have encountered an interference problem between the clutch pressure plate and clutch release arm The solution is to grind the necessary clearance on the inside of the bellhousing and modify the release lever approximately 1 16 It will be necessary for your to check the clutch clearance inside the bellhousing prior to transmission assembly This problem has only occurred with aftermarket clutch assemblies or thicker than normal flywheels SM420 AND SM465 SHIFT TOWER CLEARANCES The new bellhousing will allow for the Chevy tra
6. ications The new GM clutch arm will have an internal snap ring to lock onto the ball pivot stud inside the new bellhousing On Jeep vehicles that were originally equipped with a mechanical clutch control you should not have any problem adapting your original clutch linkage to the new clutch arm On Jeep vehicles that were previously equipped with a hydraulic slave cylinder such as 1987 2005 and 1980 1986 four cylinders you will need to use a Jeep slave cylinder that was used in the 1980 1983 Iron Duke four cylinder Jeep vehicles We offer this Jeep clutch control slave cylinder kit as Part No 716331 This new assembly will include all the necessary parts to mount to the new bellhousing The bellhousing is a direct duplicate of the original AMC stock bellhousing The flywheel sensor dowel pin holes and dust cover mounting holes are all in the original location The original dust cover or block plate must be retained for use with the Advance Adapter bellhousing This plate is normally already on the engine block The flywheel sensor must be installed onto the new bellhousing using the original bolts or new bolts that we have supplied These special bolts provide the necessary accuracy to mount the sensor in the appropriate location Your new SM420 transmission will require a new pilot bushing for the engine crank and possibly a new clutch disc The SM420 will require a Chevy clutch disc with a 1 1 8 10 spline size Centerforce No 384193 It is advisable t
7. ned for specific type of conversions Modifications to any of the components will void any possible warranty or return privileges If you do not fully understand modifications or changes that will be required to complete your conversion we strongly recommend that you contact our sales department for more information This instruction sheet is only to be used for the assembly of Advance Adapter components We recommend that a service manual pertaining to your vehicle be obtained for specific torque values wiring diagrams and other related equipment These manuals are normally available at automotive dealerships and parts stores ADVANCE ADAPTERS INC P N 712570 P O Box 247 4320 Aerotech Center Way Paso Robles CA 93447 PAGE 4 OF 6 Telephone 800 350 2223 Fax 805 238 4201 Page Rev Date 10 17 07 BELLHOUSING FOR JEEP 4 0 HIGH OUTPUT 6 CYLINDER ENG TO GM SM420 TRUCK 4SP Note 2005 amp Newer 4 0L engines use anew location and style of crank position sensor Shown in photo below is the newer CPS location If your engineis pre 2005 please plug this hole with the 3 4 soft plug that has been provided Plug will need to be pressed or tapped in using a dowel and softhammer Hia fewer Crank Peston Sensor haen o E 4 E J a e a my BALL PIVOT PART 716180 DETAIL A USE OpisiNia BOLTS FOR SENSOR NEW HOLE LOCATION BOLT EBAN 716330 2 REQ D pit SENSOR LOCATION FOR O FROM FLYWHEEL SENSOR LOCATION S
8. nsmission to bolt directly against the face There are a few transmissions that have the top shifter cover over lapping the face of the transmission If your transmission has this slight over lap it will be necessary to grind a small relief on either the top shifter or bellhousing area SPECIAL NOTE The components packaged in this kit have been assembled and machined for specific type of conversions Modifications to any of the components will void any possible warranty or return privileges If you do not fully understand modifications or changes that will be required to complete your conversion we strongly recommend that you contact our sales department for more information This instruction sheet is only to be used for the assembly of Advance Adapter components We recommend that a service manual pertaining to your vehicle be obtained for specific torque values wiring diagrams and other related equipment These manuals are normally available at automotive dealerships and parts stores ADVANCE ADAPTERS INC P N 712570 P O Box 247 4320 Aerotech Center Way Paso Robles CA 93447 PAGE 3 OF 6 Telephone 800 350 2223 Fax 805 238 4201 Page Rev Date 07 25 05 BELLHOUSING FOR JEEP 4 0 HIGH OUTPUT 6 CYLINDER ENG TO GM SM420 TRUCK 4SP FAKI 6635 or GM wedge P N716139 SPECIAL NOTE The components packaged in this kit have been assembled and machi
9. ons to any of the components will void any possible warranty or return privileges If you do not fully understand modifications or changes that will be required to complete your conversion we strongly recommend that you contact our sales department for more information This instruction sheet is only to be used for the assembly of Advance Adapter components We recommend that a service manual pertaining to your vehicle be obtained for specific torque values wiring diagrams and other related equipment These manuals are normally available at automotive dealerships and parts stores
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