








Which Cam
should compliment the cam nicely
don't mess with the cam. the stock one is way better than any aftermarket piece

There is no such thing as a cam that is best at all of those things. It's a give and take, you must choose the cam that meets your individual use and preferences.
Best streetability is stock. Good streetability depends on your individual preferences. I find my MS3 to be nearly perfect on the street, others (usually people who havn't driven one) tell me that it's too big to drive daily.
Best power is open to interpretation, but I'll go ahead and say T-rex is the winner there.
Best sounding idle depends on how you want it to sound. Personally, I would say the T-rex wins that category as well.
What gears do you have? Will you be upgrading? Will you get a proper tune from somebody who knows what they are doing?
Looking only at the three mentioned I'd go with the FM13.
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Oh....my vote would be the F13 or F14.

Mine drives like a dream, so much that i forget its got a 230+ cam rolling around inside, it really feels stock to me. If i did not get the cam card with the specs on it, i would swear up and down its a 224. If you live in Houston or nearby, I would highly suggest letting Chuck over at HPE plug in and fart around.
My suggestion: BIG CAM, LS2 timing chain, PRC dual valvespring kit, underdrive pulley, bolts/gaskets, and tune. You should expect an easy 400+rwhp if your throw on an LS6 intake.
Where do you live?
That being said, I imagine the MS3 won't drive THAT much better than the TRex, and you'll always wonder how much faster you woulda been if you had gone bigger


