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Re: 84 K10 is still gutless after cam heads intake
The heads don't flow a whole lot of air, and the cam is relatively mild. I built it more for torque than for top end. High port velocity vs. lazy huge ports, that's why I chose the 650. If there is any manifold vacuum, it's not going to be a whole lot, I guess I could put a vacuum gauge on it and find out. Point being, with the low compression I have, even if it adds a few degrees past 37*, I don't think it would be as lazy as it feels. And what would you suggest for exhaust? Dual 2.5"? When I was under there, it didn't look like there was much real estate on the passenger side to run exhaust between the t-case, and the support bar for the t-case, Which is why I ran the y-pipe. I built a very similar motor for a 2wd, the only difference being that truck had true duals, half a point more compression, and a slightly larger cam, and it ran really strong. I think it really comes down to the gears. First gear pulls OK, but anything after that is lazy. I think I will just save my pennies for 1-ton axles instead of re-gearing these 10 bolts.
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