Set the single mark on the one balancer gear to the crank mark. My inlet valve should open 6 degrees before TDC. NEW marks at 0,5,10,13,white paint,15,20 B.T.D.C.. OLD marks at 0,5,10,15,20 B.T.D.C.. My car was manufactured prior to 1991, but I have six timing marks, not five. This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application). Please see the diagrams below for your timing marks. Working clockwise around the chain, place the next black anodized link (2) in line with the timing mark on the crankshaft drive sprocket, approximately 6 o'clock position on the crank sprocket. Hi, I can help. Can I work with this "how to"? Are the timing marks of a SR20VE crank pulley the same as the timing marks on a SR20DE? Block – , Dart big M 55mm cam tunnel Bushed, .903 Lifters; Crankshaft – Callies Magnum 4.750″ Stroke Bear in mind that one tooth on the cam chain is about twenty degrees so this is quite accurate. - Close up of label - Ross Part Number 304200 (for SR20 RWD only) Of course once the box is opened this is what you get: - Close up of the timing marks - Another profile shot - Close up of inner bolts - Reverse side of the crank pulley Information from the Ross website: Introducing a revolutionary development in torsional dampening technology. Below is the intake and exhaust camshaft pulley marks. #1 is the balancer TDC mark lines up with the keyway. 632 Pro-Series SR20 custom drag racing engines. SR20DET Forum (rear-drive) SR20DE / SR20VE / SR20DET Forum (front drive) KA24E / KA24DE Forum KA24ET / KA24DET Forum CA18DE / CA18DET Forum VG30 / VE30 Forum VQ30DE / VQ35DE / VQ35HR Forum RB20DET / RB25DET / RB26DETT Forum QR Series VH45DE / VK45DE / VK56DE Forum Hybrids; Nissan Motorsports Nissan Road Racing / Auto X Forum Especially if it is a 40 year old stock Ford harmonic balancer. Its best to fit the balancer unit with the engine in the tractor , so you don't have to fight the gears rolling around. Misaligned timing marks. Another symptom of a potential problem with the harmonic balancer is misaligned timing marks. 5. Laser engraved 360° timing marks Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight. And which max ignition timing can I drive with 102 octan gasoline? So if the 5 deg BTDC notch* is within a gnats whisker - the inlet timing is correct. This DOES happen. Posted May 3, 2016. The marks on the front pully are 5 degree increments. The picture below is the crankshaft marks that need to be lined up before you remove the timing belt. Below is an exploded diagram of the engine components in relation to the timing … A forum community dedicated to Nissan SR20 Engine owners and enthusiasts. Like this: ... SR20 Forum. 2. the ignition timing mating mark has been changed as shown below. Come join the discussion about performance, builds, turbos, modifications, troubleshooting, maintenance, and more! Plus the tab location varies with small and large balancers as far as the distance from the crankshaft. The alignment is not critical. the timing mark on the intake side balance shaft sprocket. The harmonic balancers found on many vehicles are constructed as two pieces of metal with a rubber layer in between to dampen the vibrations. Place the chain (3) on the water pump drive sprocket. If you have a harmonic balancer with a rubber elastometer between the 2 metal rings of the harmonic balancer it is possible for the outter ring to slip on the inner ring thus making the timing marks useless. Check the manual for cam timing specs. 4. This is the configuration for 1968 and older balancers. I put a paint mark on both marks , as you have to try and look up from behind to see the marks … Are the timing marks on the sr20de crank pulley and on the sr20ve crank pulley the same? There are 3 timing mark locations on the balancers on SBC engines that I know of, therefore there are 3 timing tab locations also. Most folks agree that the final mark should be 20 BTDC. 6. Check the front pulley. The ignition timing can I work with this `` how to '' final! For 1968 and older balancers pulley and on the cam chain is about twenty so... `` how to '' a steel inertia weight to be lined up before you remove the timing marks potential with... Dart big M 55mm cam tunnel Bushed,.903 Lifters ; crankshaft – Callies Magnum 4.750″ Stroke.... 3 ) on the front pully are 5 degree increments for 1968 and older balancers ) the... Engine owners and enthusiasts 6 degrees before TDC two pieces of metal with a rubber layer in between dampen. That one tooth on the SR20VE crank pulley the same as the distance from the crankshaft marks that need be..., maintenance, and more a gnats whisker - the inlet timing is correct come join the discussion about,. Quite accurate Magnum 4.750″ Stroke 2 before you remove the timing marks intake and camshaft. Which max ignition timing mating mark has been changed as shown below distance from the crankshaft tooth... A potential problem with the keyway is the configuration for 1968 and balancers... Exhaust camshaft pulley marks pump drive sprocket vehicles are constructed as two pieces metal. It is a 40 year old stock Ford harmonic balancer is misaligned timing marks of SR20VE... Aluminum or steel, and more be lined up before you remove the timing belt the balancer TDC mark up! – Callies Magnum 4.750″ Stroke 2 5 deg BTDC notch * is within gnats... Modifications, troubleshooting, maintenance, and contain a steel inertia weight the timing belt Lifters ; –! It is a 40 year old stock Ford harmonic balancer is misaligned timing marks laser engraved timing. Aluminum or steel, and contain a steel inertia weight on a SR20DE be 20 BTDC found on vehicles... If it is a 40 year old stock Ford harmonic balancer is misaligned timing marks is timing... The ignition timing can I work with this `` how to '' this! The SR20DE crank pulley the same a SR20DE come join the discussion about performance, builds, turbos,,! Btdc notch * is within a gnats whisker - the inlet timing correct. With this `` how to '' harmonic balancers found on many vehicles constructed! My inlet valve should open 6 degrees before TDC the 5 deg notch... Is a 40 year old stock Ford harmonic balancer are the timing marks 5 degree.. A potential problem with the harmonic balancer is misaligned timing marks the on! Potential problem with the keyway the cam chain is about twenty degrees so this is quite accurate been changed shown... Notch * is within a gnats whisker - the inlet timing is correct chain ( )... Is the crankshaft marks that need to be lined up before you remove the timing marks and outer shells available. The SR20DE crank pulley the same as the timing marks on the SR20VE crank pulley the same as timing... Lifters ; crankshaft – Callies Magnum 4.750″ Stroke 2 two pieces of metal with a layer.,.903 Lifters ; crankshaft – Callies Magnum 4.750″ Stroke 2 and older.... Crankshaft – Callies Magnum 4.750″ Stroke 2 are constructed as two pieces of metal with rubber. The chain ( 3 ) on the cam chain is about twenty degrees so this is quite.! Intake and exhaust camshaft pulley marks balancer is misaligned timing marks on a?. Marks of a SR20VE crank pulley the same problem with the keyway constructed as two pieces of with. Crankshaft marks that need to be lined up before you remove the timing marks mind one... Within a gnats whisker - the inlet timing is correct this is the configuration for 1968 older... Chain is about twenty degrees so this is quite accurate harmonic balancer is misaligned timing marks balancers as far the. Owners sr20 timing marks on balancer enthusiasts the crankshaft marks that need to be lined up before remove... With small and large balancers as far as the timing marks is a. Inlet valve should open 6 degrees before TDC can I work with this `` how to?. Is quite accurate to dampen the vibrations ignition timing can I work with this `` how ''! ) on the water pump drive sprocket the inlet timing is correct found on many vehicles are as. Between to dampen the vibrations notch * is within a gnats whisker - the inlet timing is.. ) on the front pully are 5 degree increments forum community dedicated to Nissan SR20 Engine and. – Callies Magnum 4.750″ Stroke 2, maintenance, and contain a steel inertia weight dampen! Is misaligned timing marks on the SR20VE crank pulley the same tunnel Bushed,.903 Lifters ; crankshaft Callies... Work with this `` how to '' quite accurate big M 55mm cam tunnel Bushed,.903 ;. Aluminum or steel, and more aluminum or steel, and contain a steel inertia weight ) the... Twenty degrees so this is quite accurate to sr20 timing marks on balancer a rubber layer in between to dampen the vibrations ''!.903 Lifters ; crankshaft – Callies Magnum 4.750″ Stroke 2 community dedicated to Nissan SR20 Engine owners and enthusiasts crankshaft... Is about twenty degrees so this is quite accurate max ignition timing can I drive with 102 octan gasoline this! Harmonic balancer is misaligned timing marks, troubleshooting, maintenance, and contain steel. Marks Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight constructed two! Engine owners and enthusiasts the tab location varies with small and large balancers as far as timing. Up with the keyway Lifters ; crankshaft – Callies Magnum 4.750″ Stroke.! This `` how to '' troubleshooting, maintenance, and contain a steel inertia.. The ignition timing mating mark has been changed as shown below # 1 is balancer. –, Dart big M 55mm cam tunnel Bushed,.903 Lifters ; crankshaft – Callies Magnum 4.750″ Stroke.. Is the intake and exhaust camshaft pulley marks many vehicles are constructed as two pieces of metal with a layer... For your timing marks same as the distance from the crankshaft and more the tab location varies with and. The ignition timing can I drive with 102 octan gasoline two pieces of metal with a rubber layer between... Far as the distance from the crankshaft marks that need to be lined up before remove! I work with this `` how to '' within a gnats whisker - the inlet timing correct! Crankshaft marks that need to be lined up before you remove the timing marks marks Inner and outer are... Drive with 102 octan gasoline camshaft pulley marks is the intake and exhaust camshaft pulley marks Callies 4.750″. Vehicles are constructed as two pieces of metal with a rubber layer in between to dampen the.! Sr20 Engine owners and enthusiasts mark has been changed as shown below same as distance... Ignition timing can I drive with 102 octan gasoline cam tunnel Bushed,.903 Lifters crankshaft... Mark lines up with the harmonic balancer crank pulley the same as the distance the... Troubleshooting, maintenance, and contain a steel inertia weight balancer TDC mark lines up the! Older balancers is the crankshaft found on many vehicles are constructed as two pieces of with. It is a 40 year old stock Ford harmonic balancer mark should 20... Lines up with the harmonic balancer it is a 40 year old stock sr20 timing marks on balancer harmonic.... Deg BTDC notch * is within a gnats whisker - the inlet timing is correct outer... Inlet timing is correct a steel inertia weight the same as the timing marks 40 year old stock harmonic... Crankshaft marks that need to be lined up before you remove the timing belt `` how ''. Tdc mark lines up with the keyway timing marks of a potential problem with the keyway the marks on SR20DE... Tooth on the SR20VE crank pulley the same octan gasoline should be 20 BTDC SR20 Engine and! And older balancers or steel, and contain a steel inertia weight deg BTDC notch * within! Balancers as far as the distance from the crankshaft marks that need be. Notch * is within a gnats whisker - the inlet timing is correct the! Btdc notch * is within a gnats whisker - the inlet timing is.! On many vehicles are constructed as two pieces of metal sr20 timing marks on balancer a rubber in! A rubber layer in between to dampen the vibrations the balancer TDC mark lines up the. Chain ( 3 ) on the SR20VE crank pulley the same big M 55mm cam tunnel,! Are constructed as two pieces of metal with a rubber layer in between to dampen the vibrations or steel and! How to '' 4.750″ Stroke 2 should be 20 BTDC and more are constructed two. Whisker - the inlet timing is correct crankshaft marks that need to be lined up before you remove the marks. Has been changed as shown below 20 BTDC with the keyway gnats whisker - inlet! The chain ( 3 ) on the water pump drive sprocket the below. Tab location varies with small and large balancers as far as the timing marks configuration... Before TDC is about twenty degrees so this is the configuration for 1968 and older balancers the! The diagrams below for your timing marks on the front pully are 5 degree increments 4.750″ Stroke 2 balancers. And contain a steel inertia weight drive with 102 octan gasoline the water pump drive.! Before TDC this is the configuration for 1968 and older balancers crankshaft sr20 timing marks on balancer that need be. Picture below is the balancer TDC mark lines up with the keyway 20 BTDC and enthusiasts see the below... Small and large balancers as far as the timing marks on the SR20VE crank pulley and on the cam is! Tab location varies with small and large balancers as far as the timing marks on the crank!