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ZZ502 Engine Torque Specifications:

Distributor bolt/screw  ...........................................18 ft.-lbs. / 25 N·m
Flywheel bolt/screw ..............................................65 ft.-lbs. / 90 N·m
Intake manifold bolt/screw

First pass ........................................................ 10 ft.-lbs. / 14 N·m
Second pass ................................................... 25 ft.-lbs. / 34 N·m

Oil level indicator tube bolt/screw ........................ 106 in.-lbs. / 12 N·m
Oil pan drain plug ................................................ 15 ft.-lbs. / 20 N·m
Spark plug ........................................................... 22 ft.-lbs. / 30 N·m
Starter motor bolt/screw ...................................... 35 ft.-lbs. / 48 N·m
Water pump bolt/screw ........................................ 30 ft.-lbs. / 40 N·m

Note: These torque values are in addition to those documented within the short and long block instructions.

FRONT

Information may vary with application. All specifications listed are based on the latest production information available at 

the time of printing.

Caution

 

This engine assembly needs to be filled with oil and primed. You should add the specified oil (see startup 

instructions) to your new engine. Check the engine oil level on the dipstick and add accordingly.

Summary of Contents for ZZ502

Page 1: ...long block assembly which make up the deluxe engine Additional key items include the intake manifold carburetor distributor and the water pump The ZZ502 deluxe engine is a fully assembled engine This engine is assembled using brand new premium quality components The ZZ502 deluxe engine is manufactured on current production tooling consequently you may encounter dissimilarities between the ZZ502 de...

Page 2: ...publication pertains to engines and vehicles which are used off the public highways except where specifically noted otherwise Federal law restricts the removal of any part of a federally required emission control system on motor vehicles Further many states have enacted laws which prohibit tampering with or modifying any required emission or noise control system Vehicles which are not operated on ...

Page 3: ...olt screw 35 ft lbs 48 N m Water pump bolt screw 30 ft lbs 40 N m Note These torque values are in addition to those documented within the short and long block instructions FRONT Information may vary with application All specifications listed are based on the latest production information available at the time of printing Caution This engine assembly needs to be filled with oil and primed You shoul...

Page 4: ...advance canister should remain disconnected This engine is designed to operate using only the internal centrifugal advance to achieve the correct timing curve Rotate the distributor counterclockwise to advance the timing Rotate the distributor clockwise to retard the timing 5 When possible you should always allow the engine to warm up prior to driving It is a good practice to allow the oil sump an...

Page 5: ...elt systems require a water pump with a reverse rotation impeller In these instances install a water pump specified for the original application Timing Information Set initial spark timing at 10º before top dead center BTDC at 650 rpm with the vacuum advance line to the distributor disconnected and plugged This setting will produce 32º of total advance at wide open throttle WOT The HEI vacuum adva...

Page 6: ...Exh Vlv Push 12368085 1 Arm Kit Vlv Rkr 12368082 16 Arm Kit Vlv Rkr Qty 1 19170540 1 Block Asm Eng 6264902 1 Seal Rr Brg Cap O Ring Part Quantity Name 10181306 1 Bearing Cr Shf Upr Lwr Std 12529885 3 Bearing Cr Shf Upr Lwr Std 10181307 1 Bearing Cr Shf Thr Upr Lwr Thrust 10183723 1 Crankshaft Asm 10101164 1 Seal Asm Cr Shf Rr Oil 14097040 1 Deflector Cr Shf Oil 10216339 1 Balancer Asm Cr Shf 10114...

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