( Compression Stoke ) Your Injector pump marks should be lined up.
Otherwise, if your engine doesn't have these extra timing marks, you need to pin the flywheel and have number one piston ( The front piston ) at the top of its stroke ( Top Dead Center ) and both valves closed. This then should make your Injector pump marks line up in the little window on the pump. Check your number one piston to see if it is at the top of the stroke and both valves are closed. If it doesn't then you are 180degrees out and need to rotate the engine until these two marks are lined and the pin will fit in the flywheel. This then should correspond with the pin in the flywheel. If your engine has this, there will be a little nick in the pulley and it should be lined up with a line that is cast into the timing cover. Look down at the crankshaft pulley from that side of the engine. These are located from the side of the engine where your oil inlet spout is. On some of these engines there will be a mark on the front crank shaft pulley that will correspond with a mark that is cast into the front cover. Unfortunately your cam marks and gear train are all under the front cover of the engine. Your timing marks for the pump are behind the plate on the side of the pump. The pin goes into the timing hole in the fly wheel. double row chain and 3 keyway crank sprocket (+4, 0, -4 degree cam adjustment). So! You are correct in the locations for the flywheel timing and the Injector pump. This Gear heavy duty timing set features a.
Multi-position crank and cam sprockets with some sets allow as much as 12 degrees of cam timing adjustment. Most fit under the stock timing cover while others may require a special cover. Most gear drives are a simple bolt-on installation that require few if any modifications. You really need a tech manual! I hope I can make sense with this and if I leave anything out I'm sure someone will jump in with the things I might omit. Gear drives have some advantages and disadvantages.
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