The five lighter marks represent approximately two degrees each. 1JZ-GE (1990-2007) - the basic engine for the domestic market. If the timing mark is at 2 degrees or 10 degrees to the left (CCW), the marks would be at 1:26 and 1:10, respectively. If the idle aint steady, the timing won't be cause timing advances with RPM. The large mark to the left if you are standing in front of the engine is TDC. I aligned the timing marks properly w/ the piston TDC. 2JZ-GE (1991-2005) - "worldwide" version. Install the new timing belt and tension the belt so it can be twisted 90° at the middle of it's longest section, between the camshaft and intermediate sprockets. Mass top engine series, different versions installed in all FR models (Mark II, Crown families, sport-coupes). You should ideally match your engines power to your typical driving style so for a car driven daily stick with a shorter duration 1ZR camshaft. If timing specifications call for 10 degrees base timing BTDC, and the reference line is pointing to the 3rd degree mark, adjust timing. On 16-valve engines, the mark on the tooth should align with the mark on the rear belt cover. The starter/generator wouldn't work. Read through a few of the timing threads the search returns, and you will probably find the information you need. The light works as a strobe light and you'll see the timing marks stationary. The timing marks and running engine won’t line up as you are finding. The pre-1969 damper has the TDC line on the outer ring at the 2:30 o’clock position- or 2º before the keyway centerline- i.e. Next, remove the drive belt components before unbolting the timing chain cover. The pointer is longer than a passenger car and the … Original issue was the engine needed rings so, after replacing rings, grinding the valves, I reassembled and reinstalled engine. This fuel ignition is what powers the car. Then, line the bright links on the timing chain up with the marks on your camshaft and crankshaft gears to get your engine to top dead center. Now another thing in the engine's idle. IDK where to go from here. loosen the stand-offs that hold the r/t crane ign sensor and rotate the unit clockwise until the timing LED goes out. Direct the timing light on the timing marks. The sequence in which this happens is very finely balanced, or "tuned," to provide maximum power and economy. Sam I am mentioned the timing chain wear, a worn, used timing chain will cause timing to move some, but most of times just a slight twitch, unless chain is shot . By moving the firing order of the spark plug wires in the distributor and readjusting the timing by moving the distributor until the engine runs smooth will make it work. the timing is now set approximately at TDC. 4 turn on the ign but do not start the motorcycle. Ignition timing is when the distributor sends an electric spark into the engine to ignite the fuel. I have spark, fuel and compression but, motor will not start. Downside is the timing marks are now useless. the line is to the LEFT of the keyway, looking at the front of the damper or engine. 3turn the engine over until the TDC mark appears centered in the observation hole. These engines are the most reliable among the powerful and the most powerful among available to the mass consumer. There probably is a picture somewhere of what the timing marks on the flywheel look like (BB, lines, triangle), but first, search the forums in the box on the left with the word 'timing'. Start and let the engine idle. The line or notch will point to the current degree mark. The timing marks on the Thunderbird are located on the rear pulley edge. Different 1ZR engines respond better to mild cam durations check your engine on a rolling road. To change a timing chain, remove the radiator cap, drain the coolant out, and remove the radiator hoses. TY very much. Check the alignment of the timing marks. The engine timing and fuel pump and injectors also have a large bearing on the bhp gains you'll hit. Start the motorcycle, Crown families, sport-coupes ) engines respond better to mild cam durations check your engine a! Engine timing and fuel pump and injectors also have a large bearing on the bhp gains 'll... Happens is very finely balanced, or `` tuned, '' to provide maximum power and economy balanced! As a strobe light and you 'll hit the distributor sends an electric spark into the engine rings. Point to the current degree mark and running engine won ’ t up! Families, sport-coupes ) and economy drive belt components before unbolting the timing properly... The Thunderbird are located on the Thunderbird are located on the Thunderbird are located on the belt... 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