What would be the best cam to do with the Radix?
I want to get the most out of the Radix, but not kill MPG's or low end torque (I need the pulling power)?
I was told to go with the LPE GT2-3 cam. Any other suggestions?
I wish I could have a cam with a little lope at idle, but I don't want sacrifice driveability and reliability for just sound though.

Thanks,

Jim

 

The GT2-3 would work. Some Radix guys use Comp's 212/218 cam in their LQ4s and LQ9s and seem to like that one pretty well. Any higher and you could start to lose low-end. I would say a safe bet would be to get a 212/218 ground on a 114 LSA, that way you could have some lope, get your low end, and have very little (if any) overlap. Comp charges the same for their custom grinds as they do for their off-the-shelf cams, so you can get it ground on whatever LSA you want.

 

If you want lope, you better go with soemthing a little bigger than the 212/218. I Would say something close to 224/228 114. I ran a 216/220 114 in my 5.3 and had very little lope. The 6.0 is gonna make that cam suond even more like stock than the 5.3 did.

You need to stay at or above 114 lsa for the blower. Which also kills lope. You won't like this either, but you need to find someone to tune it IN PERSON if you want a cam with some lope and mantain your drivability. A big cam can be tuned for drivabilit, but it takes time, patience, and logging, something you can't do with mail orders.

 

For a year I ran 218 218 114 cam. It wanted to lope more but had plenty of power. I recently swapped heads and moved to a custom 212 218 115. No dyno numbers for comparison yet, but I like it. It idles better and still has plenty of power.

 

So you think he can run 224/228 and not lose any low end?

 

That blower has all the low end you will ever need.

I was assuming there's a higher stall converter in the truck though. If not, I would go with something like a 218/224 114.

 

Jim, pm 03GMC, his trucks truck loped pretty good with the radix, dont know about pulling something though, he'll be able to answer you.... truck did sound mean...

 

Sure, but a blower can't overcome being cammed out of the low end. I was assuming stock converter. Hopefully he'll come in here and clarify. I'm also curious who has done something like what you're recommending on a 6.0 with a stock 'verter.

 

Its all going to depend on what you want out of it. My 218 218 sounded pretty good, but sound isn't everything. I wanted tame idle and a mix of strong torque and strong power. If you want a higher peak power number, then a larger cam will do that. You will sacrifice some things though (idle, torque, and street manners). I'm not saying you cant get a large cam to run nicely, only that its not quite as nice as a smaller cam.

My goal is to make more power and more torque with this little 212 218 cam in a 6.0 that all the others going with higher duration cams.

 

I'm thinking a 2,800 stall and no more. Not too sure which stall to really opt for. I'm new to the S/C thing. Any recommendations for my application?
I want a cam that will pull 6000lbs with ease and not have to grab at high rpm's to achieve this. I won't be pulling it but a few times throughout the summer. The rest is daily driving and track time.
Mods that will be used: Radix, cam, Dynatech LT's, stall, shift kit, and the 3.73 gears. If that helps you guys figure out what I need.

Thanks,

Jim