i got a cam for you if youre interested. its the GT2-5 222/222 .566/566 112lsa i only put 550 miles on it
200 bucks and its yours

 

would i be able to run a .556 lift with stock heads? i would need to upgrade to comp 918's and hardened push rods too right? any ways though thanks for all the help everyone, the turbo is a real long ways off actually just hoping and stuff...i think i'll go with the 220/224 cam, i dont want a HUGE converter so the 228/232 i understand would be a little big but i want something considerably bigger than my current 204/218..i just want some good power and mid to high range power at that. i'll use a converter to get up there for the race and i dont really mind being a turd on the street

quik... have you ever put numbers up with that cam? how well did it run, describe it for me, PM if you want

 

I run the 226 226 585 585 112 cam in my 5.3 and it idles in gear at 650rpms. I also only have a 2500 stall converter and pull 1.73 60' times, it that helps you any.

 

I think the 216/224-115 is more of what you are looking for. It's not as radical as the 228/232 cam. It would make more "useable" power. My cam philosophy is: say you have a big cam in a 5.3 like a 22x/22x-114 and you're racing another truck same exact mods as you. But, he has a smaller cam something like a 210/218-112. You both take off at the same time from a stop. The other guy is gonna pull you off the line, probably 2-3 truck lengths before your bigger cam kicks in. By the time your cam starts to pull and try to catch up you're going 40-50mph. When you both hit second gear, his mid-range will most likely be stronger than yours and he will probably start to pull on you again. Anyways, what I'm saying is, torque makes these trucks move. The sooner you make and hold on to the torque, the better. Sure, if you put a big stall on the truck with the bigger cam, it would probably be a different story.
My thing is, 20 more Peak horsepower from 5500-6500, isn't worth sacrificing 20lbs. of torque from idle-4500rpms. Torque is what really wins races, not peak horsepower. Especially in our heavy-*** trucks. Ask almost anybody on LS1tech about under the curve vs. peak power. And as far as dyno numbers go, they are really just bragging rights, because the dyno is mainly a tuning device. There used to be a guy on here that had a 4.8 with a 02' LS6 cam, headers, tuning and other bolt-ons. He always bragged about his dyno numbers being more than mine and that his cam pulled hard up top and he was gonna smoke my *** and blah, blah. When we lined them up, who got his *** smoked? Not me. It was mister dyno queen. I ain't just talking crap, I only talk from what I know. So, I don't mean to make anybody mad or anything, just giving my opinion! Whatever your decision is, good luck to you! That's what makes this website great, is different opinions and experiences. Sorry for the long post!

 

The cam may are may not be too big for you too run.However with the stock rod bolts your engine will not hold up to 6500rpms.6300rpms is the max you can turn out of a stock bottom end 5.3 If you run it to 6500 your gonna blow that motor sky high unless you upgrade your rod end bolts.Then you can turn 6500 rpms if you wish to do so.

 

Another thing is the truck intake manifold is not designed for extreme high rpm use. I think I remember reading that after ~6300 it's effeciency takes a dump big time.

 

THANK YOU!!!! This bigger is better **** is retarded and has to go! WE ARENT F-BODIES YOU KNOW!!!

 

cam suppsoly sold to a member, sale awaiting on money

 

show me proof of this!!! i heard this rumor many times but not once has someoen back it up. MS3 and Trex along with others are spinning 7k with stock motors. just cause one claimed person did it doesnt mean everyone else will fail. its the same as the TB myth

 

Shut up, you dont even have a cam . BTW you better hope your "super secret cam" Is a bit bigger than a 216/220 if you are planning on handing my *** to me.