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biodiesel_boi

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  1. Hi all, I have scoured the internet for a detailed and specific setting of the timing marks on a '94 LS400 and have only found how-to articles. Me and my brother are rebuilding his engine after almost a complete seal replacement therapy and have gotten to putting the belt back on. My question is how do I know for sure that we aligned the cam pulleys and crank pulley exactly to their marks when putting a new belt on? We bought a new Mitsoboshi belt and I'm sure its the right size. We first tried aligning the marks on the pulleys to the respective marks on the belt but after 2 revolutions, the pulley marks aren't even close to the engine marks. So we then set all the pulleys to the marks and put the belt on, ignoring the printed marks on the belt. After a couple retries getting the marks as close as possible, I'm still not confident. I know its a non-interference engine, but I really really dont want to tear all this down again because we got the timing off by 1 tooth. Any sure fire way to know the pulleys are timed perfect? After 2 revolutions, they just dont line up to the engine marks perfectly. What I mean is that the belt could advance/!Removed! one tooth on that pulley and the pulley mark would be the same distance from the engine mark, only now on the other side of the mark. Does that makes sense? How many degrees off does setting it 1 tooth out of time make it? TL:DR How can I be absolutely sure the pulley timing marks are exactly where they're supposed to be?
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