I almost have the motor in time. The exhaust cam sits flush with the blocks, but the intake cam is almost there. I need to rotate the cam ever so slightly to get it right. I removed the lock pin and blocks, rotated crank twice, lined up the tdc mark, insert pin, and the intake cam is still barely off. Any ideas?
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SOLVED: Intake Cam Almost Flush?
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your vanos is likely at its travel limit due to either the cam sprocket issues mentioned above, or due to being a tooth off. you should take it out, loosen the three nuts that hold the sprocket spring plate, and use the cam rotating tool to get it aligned. if it's impossible to bolt together after that, something is installed backwards.
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I triple checked with this video to make sure I'm doing everything correctly and I am. Followed along and I still get the same result. Pelican article on setting time will show a similar picture to the one I have posted above in regards to the upper chain sprocket relationships.
Online reading led me to find someone with a similar issue, and someone replied “Sounds like you did everything right. If your cam is only a tiny bit off your DME will make the adjustments.
One other thought comes to mind....your vanos could be stuck causing the timing to be off.”
Should vanos cup be able to slide in and out easily? I can push it in, but I have a hard time pulling it out. Is this reason legit?Last edited by ykarabala; 09-23-2018, 02:03 PM.
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Is this just a case of needing to tap the cam lock tool down with a soft faced hammer? The cams will have tension on them from the valve springs, so you kind of have to make the cam turn some how to get the block on. Rotating it back and forth slightly with a wrench while pushing on the block usually works too.
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