Originally Posted by Danthurs
Yes you can, but looking at your sig, you have a 93. I'm not sure if there are high ratio rockers for that engine. Billboost will have the answer on that.
well my dad has an 04 buick lesabre that also has the series 2 in it, thats why im asking. we were talking about doing the 1.9:1 change but his concern is that he wants to keep his mileage up, hou would this effect it?
and i am curious about the series one rockers too billbost, that information would be useful