Originally Posted by goldgtr35
4.5 running around 720 ish BHP but under 620 Torque,
More than that in the torque range and you need rods,
Loads more bucks for not a lot more power,
Unless your going big Guns, 4.5 is by far the best choice,
Not to mention going for Big Guns can mean you can have issues, downtime and costs to fix.
Sometimes it's better to have a car that works all the time and uses a well trodden path, than have unforseen issues to resolve.