Direct the timing light on the timing marks. Downside is the timing marks are now useless. The engine timing and fuel pump and injectors also have a large bearing on the bhp gains you'll hit. This fuel ignition is what powers the car. Different 1ZR engines respond better to mild cam durations check your engine on a rolling road. The five lighter marks represent approximately two degrees each. The line or notch will point to the current degree mark. The timing marks and running engine won’t line up as you are finding. 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. 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 . If timing specifications call for 10 degrees base timing BTDC, and the reference line is pointing to the 3rd degree mark, adjust timing. Mass top engine series, different versions installed in all FR models (Mark II, Crown families, sport-coupes). IDK where to go from here. To change a timing chain, remove the radiator cap, drain the coolant out, and remove the radiator hoses. 3turn the engine over until the TDC mark appears centered in the observation hole. the line is to the LEFT of the keyway, looking at the front of the damper or engine. Check the alignment of the timing marks. On 16-valve engines, the mark on the tooth should align with the mark on the rear belt cover. Start and let the engine idle. 1JZ-GE (1990-2007) - the basic engine for the domestic market. 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. 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. TY very much. The timing marks on the Thunderbird are located on the rear pulley edge. 4 turn on the ign but do not start the motorcycle. If the idle aint steady, the timing won't be cause timing advances with RPM. Ignition timing is when the distributor sends an electric spark into the engine to ignite the fuel. 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'. the timing is now set approximately at TDC. Original issue was the engine needed rings so, after replacing rings, grinding the valves, I reassembled and reinstalled engine. These engines are the most reliable among the powerful and the most powerful among available to the mass consumer. The sequence in which this happens is very finely balanced, or "tuned," to provide maximum power and economy. The light works as a strobe light and you'll see the timing marks stationary. 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. I aligned the timing marks properly w/ the piston TDC. I have spark, fuel and compression but, motor will not start. Read through a few of the timing threads the search returns, and you will probably find the information you need. The pointer is longer than a passenger car and the … Now another thing in the engine's idle. Next, remove the drive belt components before unbolting the timing chain cover. 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. 2JZ-GE (1991-2005) - "worldwide" version. The large mark to the left if you are standing in front of the engine is TDC. loosen the stand-offs that hold the r/t crane ign sensor and rotate the unit clockwise until the timing LED goes out. 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