Quote:
Originally Posted by swb85
What's the rest of your combination? You need to factor all of it when choosing a cam, you want something that'll work well with your particular heads, intake, carb, exhaust, stall speed & tires. If you just toss a big lumpy cam in there, you'll end up with a dog of an engine that sounds good idling, but old ladies will be passing you in their walkers. 
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You just described the 305 that was in my truck when I got it. It didn't make enough vacuum for the power brakes. I
gained performance by swapping in a stock cam.
Slonaker