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| The timing chain kit (timing set) includes: Cam, Crank, Chain, Tensioner | The timing chain kit (timing set) includes: Cam, Crank, Chain, Tensioner | ||
| - | KIT | + | KIT SET |
| * CLOYES Part # 94054S [http://www.rockauto.com/catalog/x,carcode,1430310,parttype,5756 RockAuto.com $35.79] | * CLOYES Part # 94054S [http://www.rockauto.com/catalog/x,carcode,1430310,parttype,5756 RockAuto.com $35.79] | ||
| [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/9-4054S.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_9-4054S.jpg] | [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/9-4054S.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_9-4054S.jpg] | ||
| Line 51: | Line 51: | ||
| == Cam Sprocket== | == Cam Sprocket== | ||
| - | 38 teeth * CLOYES Part # S47 [http://www.rockauto.com/catalog/x,carcode,1430310,parttype,5722 RockAuto.com $9.41] | + | 38 tooth Cam Gear (timing gear) |
| - | [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/S478.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_S478.jpg] | + | * Sealed Power 223478 $3.50 |
| + | * ITM 50022 $4.67 | ||
| + | * ITM 50021 $4.67 | ||
| + | * CLOYES Part # S47 [http://www.rockauto.com/catalog/x,carcode,1430310,parttype,5722 RockAuto.com $9.41] | ||
| + | [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/S478.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_S478.jpg] | ||
| + | * Beck/Arnley 0250282 $10.85 | ||
| + | [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/0250282.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_0250282.jpg] | ||
| == Chain == | == Chain == | ||
| Line 74: | Line 80: | ||
| * CLOYES Part # 95005 [http://www.rockauto.com/catalog/x,carcode,1208483,parttype,5736 RockAuto.com] $3.90 | * CLOYES Part # 95005 [http://www.rockauto.com/catalog/x,carcode,1208483,parttype,5736 RockAuto.com] $3.90 | ||
| [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/95005-1.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_95005-1.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/95005-2.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_95005-2.jpg] | [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/95005-1.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_95005-1.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/95005-2.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_95005-2.jpg] | ||
| + | * ITM 60004 $6.37 | ||
| + | [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/60004.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_60004.jpg] | ||
| == Crank Sprocket == | == Crank Sprocket == | ||
| - | 19 teeth | + | 19 tooth Crankshaft Gear (Timing Crank Sprocket, Timing Crank Gear) |
| - | + | [http://www.rockauto.com/catalog/x,carcode,1430310,pgname,Engine RockAuto.com] | |
| - | * CLOYES Part # S477 [http://www.rockauto.com/catalog/x,carcode,1208483,parttype,5723 RockAuto.com] $8.87 | + | * CLOYES Part # S477 $8.87 |
| - | + | [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/S477.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_S477.jpg] | |
| - | http://www.cloyes.com/CloyesMDB/Images/Large/S477.jpg | + | * Sealed Power 223477 $6.17 |
| + | * Beck/Arnley 0250258 $7.36 | ||
| + | [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/0250258.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_0250258.jpg] | ||
| == USA == | == USA == | ||
| B110 RAW LIST | B110 RAW LIST | ||
| + | VALVETRAIN | ||
| 13024-H8500 SPROCKET-CAMSHAFT | 13024-H8500 SPROCKET-CAMSHAFT | ||
| 13024-18001 SPROCKET-CAMSHAFT | 13024-18001 SPROCKET-CAMSHAFT | ||
| Line 94: | Line 105: | ||
| 08120-63510 BOLT-FIXING CHAIN TENSIONER | 08120-63510 BOLT-FIXING CHAIN TENSIONER | ||
| 08915-13610 WASHER-LOCK FIXING CHAIN TENSIONER | 08915-13610 WASHER-LOCK FIXING CHAIN TENSIONER | ||
| + | PISTON, CRANKSHAFT & CONNECTING ROD | ||
| + | 13021-H1000 SPROCKET-CRANK A12 | ||
| + | [[Crankshaft_Pulley#Part_Numbers|12316-30000]] KEY-WOODRUF 5X16 2 A12 | ||
| = Adjustable Cam Gear = | = Adjustable Cam Gear = | ||
Revision as of 00:01, 13 June 2014
The Timing Chain drives the Camshaft.
Also see: Timing Cover
Contents |
Overview
We have seen a couple of single link timing chains on A12, which is the original A10 single row chain. Insist on the factory specified double-chain, like Nissan did for later A10s.
NOT GOOD
- A rattle can be the trait of a stretched timing chain. Pinging/pinking has also often been mistaken for timing chain rattle
A-series engine has a short timing chain -- and with an automatic adjuster -- it rarely stretches or goes bad.
Compare to the loooooong chaing used in the Nissan KA24E engine:
click
- KA24 often has timing chain problems
Replacement
Alignment
Check the cam gear alignment. It should be exactly like this:
If it is not, see Camshaft#Timing.
http://datsun1200.com/modules/myalbum/photos/thumbs/3640jpg
Part Numbers
The timing chain kit (timing set) includes: Cam, Crank, Chain, Tensioner
KIT SET * CLOYES Part # 94054S RockAuto.com $35.79* CLEVITE/PERFECT CIRCLE Part # 92602 * ITM 05390500 RockAuto.com $32
Cam Sprocket
38 tooth Cam Gear (timing gear) * Sealed Power 223478 $3.50 * ITM 50022 $4.67 * ITM 50021 $4.67 * CLOYES Part # S47 RockAuto.com $9.41* Beck/Arnley 0250282 $10.85
Chain
Same as SRL311 with U20 engine (for Jackshaft)
CHAIN RockAuto.com * CLOYES Part # S478 $9.40 * CLOYES 94054 $9.70* BECK/ARNLEY Part # 0240226
* ITM 2354 $7
specs Links: 54 Pitch: 3/8 inch Rollers: Double Timing Marks: 2
Tensioner
* CLOYES Part # 95005 RockAuto.com $3.90
* ITM 60004 $6.37
Crank Sprocket
19 tooth Crankshaft Gear (Timing Crank Sprocket, Timing Crank Gear) RockAuto.com * CLOYES Part # S477 $8.87* Sealed Power 223477 $6.17 * Beck/Arnley 0250258 $7.36
USA
B110 RAW LIST VALVETRAIN 13024-H8500 SPROCKET-CAMSHAFT 13024-18001 SPROCKET-CAMSHAFT 13082-18000 BOLT-CAMSHAFT SPROCKET 13030-18000 WASHER-CAMSHAFT 08915-2401A WASHER-LOCK 08915-14010 WASHER-LOCK 13028-18001 CHAIN-CAMSHAFT 13070-18001 ASSY-TENSIONER CHAIN 08120-63510 BOLT-FIXING CHAIN TENSIONER 08915-13610 WASHER-LOCK FIXING CHAIN TENSIONER PISTON, CRANKSHAFT & CONNECTING ROD 13021-H1000 SPROCKET-CRANK A12 12316-30000 KEY-WOODRUF 5X16 2 A12
Adjustable Cam Gear
Fitting an adjustable Camshaft gear lets you fine tune the timing. The cam vendor's recommendations are usually best, but retarding the cam a degree or two will generall shift the torque curve higher up in the RPM range. Advancing the cam will (usually) lower the power curve a few RPM.
Adjustable gears come in a few basic kinds:
- Multi-key. Rollmaster had one with nine adjustible keys in the crank sprocket
- Multi-hole. Using different holes
- Variable: Slotted holes allow a continuously variable range
Tomei 
Rollermaster