I know the rocker topic has been beaten to death but, im trying to make a final decision here on what rocker arm ratio to get. I was on Intense's website looking at the Yella Terra's. my setup is a Gen v top swap. Ideally i thought i would need a bit more lift to try make my engine run more efficiently. They have 1.6, 1.8, and 1.9. Its a toss up between the 1.8's and 1.9's, not sure here. I know with the 1.9's I will have to upgrade valve springs but that's not an issue because the heads are in my basement