how much increase in hp and tq can i expect from installing roller rockers, and underdrive pulleys from rougeperformance on my 2000 ranger auto trany, it only has drop in filter, and dumped flowmaster 40? i tried the search thingy but cant find anything.

 

Your money will be much more well spent on a chip/custom tune(especially with an auto) with the filter ,muffler and u/d pully combo..Look into that..

 

You'd get more out of a tuner instead of roller rockers. I bought a set and installed and didn't really notice a difference.

 

yes i know the tuner is the "feces". i asked only for the pulleys and rockers

 

I would have to say that out of everything I've done my 3.0 liked the pulleys the best. The crankshaft pully claims 8hp dyno'd and all the pulleys together knocked off a BIG chunk of weight off the face of the motor (making it easier to turn). Roller rockers smooth idle, if even that. Like I said, I didn't notice any difference difference with them except the regret of not buying a tuner instead.

 

ok, what can i get from the tuner based on what i have on the truck right now.
i guess the pulleys and tunner should be next on my list