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post #1 of 8 (permalink) Old 12-13-2015, 11:25 AM Thread Starter
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Dave Mackey Cams?

I was wondering if anyone has used Dave Mackey's service. He was recommended to me when I had my Power Comander IV hooked up at street vibrations a few years back. I want to have my heads done for increased air flow and have a cam that matches the work that was done. I have a 2011 Road Glide Ultra that I would be doing this on. What do you think would be a good reliable combo? http://davemackie.com/cams.html
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post #2 of 8 (permalink) Old 12-13-2015, 09:51 PM
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I was wondering if anyone has used Dave Mackey's service. He was recommended to me when I had my Power Comander IV hooked up at street vibrations a few years back. I want to have my heads done for increased air flow and have a cam that matches the work that was done. I have a 2011 Road Glide Ultra that I would be doing this on. What do you think would be a good reliable combo? Dave Mackie Engineering: High-Performance Cam Shafts
Dave Mackey does great work. I have a 98" that I built using his heads, pistons and cams. In a heavy bike, just make sure you use a more to the left cam than to far right. You will love his work.
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post #3 of 8 (permalink) Old 12-13-2015, 10:38 PM Thread Starter
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By more to the left do you mean more liberal? I was looking at his TC575L cam shaft. I thought with some head work it would breath well and bring a smile to my face.
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post #4 of 8 (permalink) Old 12-13-2015, 11:15 PM
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I don't believe Smarty is talking politics when he says use a cam that is more to the left than the right.
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post #5 of 8 (permalink) Old 12-14-2015, 09:16 AM
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Dave Mackie has been around a long time. I've used his cams a couple times, enjoyed the heck out of them. You won't go wrong working with him.
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post #6 of 8 (permalink) Old 12-14-2015, 10:03 AM
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By more to the left do you mean more liberal? I was looking at his TC575L cam shaft. I thought with some head work it would breath well and bring a smile to my face.
I think you know what I mean and I like the humor. But if you don't, on the dyno your torque and horsepower have a curve. They typically cross at 5252 rpm. When I say a cam more to the left, it means the torque starts earlier or to the left. You want a cam on a touring bike to start coming on pretty hard with the torque at least by 2500 to 2600 rpm. That way just below cruising speed, you are near the top of the torque peak numbers and it will pull hills, ride two up, and really handle highway cruising very well. This is really what you look for in a touring cam. When you start getting the torque curve to far to the right, coming on after 3000 rpms for example, it makes it hard and it struggles to keep the rpms up cruising up and down hills from lack of power at that the rpm area. With a light bike and a hot rod cam that comes on to the right you really aren't effected nearly as bad and will pull out to peak numbers for hp near redline. Hope this helps.
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post #7 of 8 (permalink) Old 12-14-2015, 10:18 AM Thread Starter
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Thanks.
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post #8 of 8 (permalink) Old 12-15-2015, 09:11 AM
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Back when Lou Trachtenberg (STD heads, engine cases etc.) was alive I bought a set of heads from him for a 80" Evo bagger, he got me in touch with Dave Mackie for cams and pistons. Used Dave's .580 cams, all hell broke loose at 2500 rpm and hung in there to redline, was a blast.

Last edited by rg113; 12-15-2015 at 06:08 PM.
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