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I've run an 068 cam in my '67 for about 15 years. Idles just as good as the 067 cam, has more power, better fuel mileage, and no loss in lower end performance. My car has an automatic and power brakes. It pulls about 20 inches of vacuum at idle. I'm running stock 1.5 rockers and 9.2 compression (87cc heads). It's not the screamer my '65 tri-power is, but it runs very well and gets 16mpg on the hiway at 70mph. the only thing negativ I have to say about the 068 cam is that you may be disappointed that it is not "radical" enough. (Smooth idle, etc.). For the money, and for 99% of driving conditions, it does fine. The 744 ram air 4 cam is much hotter, but has noticable low end power loss, rough idle, and poor drivability at "normal" speeds. Hope this helps!
Jeff
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