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There is no need to pull the cams. They stay in place. You will need to loosen the tensioner, and pull the timing belt back off the gears. All you need to do is break the Tq on the Cam gears, andpullthem off. Be carefull to no loose the little Woodruff key, (especially behind the timing cover.) I good thing to do is before you slide the Timing belt off the factory gears, get yourself some whiteout, and make a mark on the belt and factory gears. Then you can transfer the white mark off the factory gears and onto your AEM gears. Just make sure that the AEM ones are set to 0 degrees. Then all you have to do is slid the belt back on over the new gears and make sure that your white marks line up. You will need a timing light, because when you adjust the exhaust cam timing the ignition timing will go out, (the distributor is driven off the exhaust cam). To cut the valve cover, just get a hack saw with a nice fine blade for metal cutting, and a file. Make a straight line where you want to cut, and cut with the Hacksaw. The metal is VERY thin, so it cuts easily. I would just cut off the face of the part covering the gears, leave the belt covered. If you are mechanically inclined and you have the parts, I would give yourself about 2 hours. I can do it in about an hour, but I have done quite a few. My first one was about 2 hours. Very easy if you take your time. Save the money for the install and do it yourself.
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