cam question

[marko39]

Originally Posted by rotorwrench

Cams start out in the stock range which gives good horse power AND torque range. As the performance level changes, there is a trade off between horse power and low end torque. The more lift the more horse power but the torque curve changes a lot so it boils down to how a person wants it to perform. For all out high speed a person goes toward high lift & high duration. For street use with the crap gas we have in this day and age then a person should go with a cam that gives best overall performance on the street between low end torque and top end speed. Most cam manufacturers explain their cams fairly well as to what the different grinds will do for the end user. If they don't, then look for another source.

I've never figured why folks still use the 3/4 lift term. 3/4 of what is the question. It's a lot more scientific now days so those old 40s terms don't really fit. this link may help some.
https://www.diyford.com/small-block-...ing-camshafts/

Performance cams also require spring pressure changes and selection of different lifters depending on application. There is a lot to learn when stepping up the performance levels.

I always thought a 3/4 cam ment 3/4 race versus a full race cam.