e-cam with 1.7 RR's on a 331???

[HotRoddin]

Originally Posted by 83GTMUSTANG

Would An X Or Z Cam With 1.6 Rr's Do The Same To Your Valve As A E Or F Cam With 1.72 Roller Rockers?????

If I understand your question correctly, yes ... There are just a couple of different ways to get extra lift. One is buy a more agressive cam, and install it, which gives you more lift by having physically bigger lobes ... that would be your X or Z cam ... the other way is to keep the cam you have and just change the pivot point on the rocker arms (higher rocker ratio), the drawback to the more agressive cam idea is, you have to buy a new cam and install it ... the drawback to the higher rocker ratio method is it puts more stress on your valve train componets.

Rod