Cam swap help - Ford Powerstroke Diesel Forum
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Old 06-24-2014, 11:54 AM
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Cam swap help

Well first off I had an unfortunate thing happen with my motor and I had to pull it out. I have it torn down to a short block at the moment and I bought a cam. Im hoping that with a bigger cam I can spool my turbo quicker and lower egts as well. I'm just looking for any tips or advise that people have that could maybe make this go alittle smoother. Thanks in advance
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Old 06-24-2014, 12:31 PM
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The right way you have to pull the crank but the easy way you take the stuff off the back of the crank. Once you get the rear cover off you have to pull the branch tube out to get the lifters out. On the crank there is what looks like a pulley. It's 2 pieces. Get a 2 or 3 jaw puller and pull the first part off. Then there is 6 or 8 18mm bolts( these are tty bolts so you must get new ones, technically it's not serviceable but they are the same as the front crank pulley bolts). Then you have to use the puller again on that. It takes a lot. I would get a good bit of tension and then tap it with a hammer to loosen it up. When you go to put it back on try to index it the same way it came off. Then the cam has 2 10mm bolts and then slowly pull the cam out.
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Old 06-24-2014, 05:37 PM
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Quote:
Originally Posted by dashy View Post
The right way you have to pull the crank but the easy way you take the stuff off the back of the crank. Once you get the rear cover off you have to pull the branch tube out to get the lifters out. On the crank there is what looks like a pulley. It's 2 pieces. Get a 2 or 3 jaw puller and pull the first part off. Then there is 6 or 8 18mm bolts( these are tty bolts so you must get new ones, technically it's not serviceable but they are the same as the front crank pulley bolts). Then you have to use the puller again on that. It takes a lot. I would get a good bit of tension and then tap it with a hammer to loosen it up. When you go to put it back on try to index it the same way it came off. Then the cam has 2 10mm bolts and then slowly pull the cam out.
Thanks for the help, I had always heard you can't take the balancer off the crank or it would cause rear main seal issues. Have you had any problems with that at all?
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Old 06-24-2014, 05:43 PM
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I haven't actually got it back and running yet. Waiting on lifters and low pressure oil pump to show up. I talked to Rykan at holders and that is what he told me he does for all his cam swaps and has never had a problem.
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Old 06-25-2014, 05:24 AM
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I had a truck in the shop here were someone had removed that flange on the rear of the crank and it had a nasty vibration and oil leak. It was a remanufactured engine. The place that did the work ended up swapping the engine out because of that problem. Local dealer would probably be willing to rent you the alignment tool. I have rented the one we have out a few times to people doing their own work. Seems like a bad idea on a part that the OE says is not servicable.
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Old 06-25-2014, 06:42 PM
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If you don't want to risk screwing your engine up then do not take the chance and remove that flange.

That flange is machined true after it is bolted to the crank. On a VT365 that there is a rear geartrain there for the power steering/fuel pump. On a powerstroke it centers up the flexplate and provides a sealing surface for the rear main.
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Old 06-25-2014, 06:59 PM
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Yeah definitely do not remove that balancer. It's heat treated to the crank, and from what I've read even heat treating it back on there the crank will never be balanced properly again, making that crank trash. Just do it right and remove the crank. Also dashy, what bolts are you talking about that are TTY bolts?


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