Re: Cam Specs


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Posted by Tom in Indiana [166.197.109.178] on Tuesday, December 18, 2012 at 02:43:45 :

In Reply to: Re: Cam Specs posted by Kaegi [24.16.253.154] on Tuesday, December 18, 2012 at 01:58:02 :

Delta is a great company, too. They make cams for some of the "big name" guys, as well as Bullet Cams. However, I've always enjoyed designing my own, as my vehicles and my driving habits are a different combination from what anyone else has. I'm not a guru, but I do know my fair share when it comes to OHV V8 and Flat-4 (traditional valve VW/Porshe/Subaru) cams. The only camshaft I've ever bought off the shelf and ran was a Hughes one, in a 360 I built a long time ago. It was almost identical (within two degrees of overlap) from one I had came up with on paper, so I bought it. It ran unbelievably well. For my '50 PW, I'll be running 4.56 gears, an NP435, 39.5" tires, and a roller 360 with quite a bit of this-and-that done to it. The camshaft is a slight deviation from the Hughes Whiplash 360, and I'm expecting somewhere between 340 and 350 horsepower from it, which is really more than I'll need in my truck for what it'll be used for. However, the goal of this engine is to have a shorter, peaky powerband in the 2200-4000 RPM range. No interstate use, and mostly for hauling off the trash and trips over the hill to fetch wood for the garage stove. If it was more of a driver, there's a LOT I'd change about it. The Whiplash/Comp Cams Thumpr-style camshafts are more for sound, but sacrifice potential power, mileage, and idle characteristics in the process. With the big tires and it being something that looks like it came out of Deliverance, I went with a raunchy sound and gave up quite a bit of power in the process of getting it. To each their own, we say. :)



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