A cam must be based off of your static compression ratio and then use the cam specs to adjust your dynamic compression ratio to run on pump gas and make the most torque.


Read this article and you will understand alot more to make a better decision on what cam matches your engine combo and to achieve your desired results the first time.

http://www.popularhotrodding.com/tec...ics/index.html


You need to understand the basics first ,otherwise you will not understand the answers given.

Then once you understand the basics ,we can help you more.

You need to determine static compression first.

Here is a calculator for that ,ask any questions you need to determin what you have.


http://www.rbracing-rsr.com/compstaticcalc.html

Do this and report the results ,then we can help you choose a cam.

Some other important information is transmission type/rear gear ratio and car/truck weight. Intended use of the car/truck.

Hope this helps .......ask any questions you are unshure of ....lots of people to help you here.