Just for comparisons sake, when my 2006 was 100% bone stock, I installed an out of the box D1sc Procharger kit on it with their upgraded 3 core horizontal intercooler, 42lb injectors (I believe I was on the stock pump but don't remember, if it wasn't, it was a drop in 255 walbro still returnless) and I cut the exhaust off after the factory Y and did a single 4" with a magnaflow over the axle and exit at the stock location. Those are the only mods I did. The Procharger kit came with a 4" blower pulley. I had a company in Houston (who at the time was supposed to be the best baddest mother ****** ls tuners on the planet) named MTI dyno tune it for me. I believe the guys name was Jason. They have been gone now for quite sometime.

Oh and the truck was a rcsb 5.3 with a 4l60e and factory optioned 3.73s and that bad *** G80 diff. After about 10 pulls it was at a solid 455 rwhp uncorrected on a 95* degree day down here in Houston. We rolled it off the dyno and did a little drive around tuning and the thing was a ******* animal. Boost was showing right at 12 psi at I believe a 6500 rpm shift point.

I'm making this post really for the OP just to give him something to compare to.

The down side to the story is that 2 days later I had to have the truck towed back to MTI cause it went into Reduced Engine Power mode and had a miss. They did a data log and sure enough it killed the #7 piston. It was my first brand new truck and only had like 14k miles on it. Needless to say, when they asked what kind of long block I wanted them to build me I politely told them to **** off. I had very little knowledge at the time, but hind sight tells the story very well. They tuned it on a dyno jet for max power. Them being used to tuning 3000-3500 lb vettes the timing curve was tuned the same way. Once out on the road, the extra load placed on the motor from the 4710 weight of the truck just basically caused it to detonate it self to death in only 2 days. If done properly, I imagine a more conservative timing curve and fuel map adjustment could have allowed it to live but peak power would have probably fallen to around 420 rwhp or so (just a guess on my part).

Unfortunately, I didn't have access to any of the tune data or ability to data log so i have no idea where everything was at.

OP, I don't think I'd be too disappointed with your numbers especially if the thing survives. Go get you a trap speed at the local track and report back so we can get a better idea of where you are really at.

 

Well dang that sucks!! I would have been pissed! And yea that's the thought process I'm getting into don't worry about the dyno too much. But hopefully within the next month I can take it to the track and see what it does.
Also I've been contemplating going to a 4in exhaust myself

 

Stay away from the LS9 cam, you won't like the shitty low end and lackluster midrange in a 5.3.

Just get something right for your setup and you will be much happier.



I've tuned peoples stuff after they had it dyno tuned, trust me a good street tune is the best. To me a dyno is a fun tool but for the most part only good for getting wide open close. All should be verified in real conditions. You know like at the track where you are allowed to go wide open.

 

It was street tuned as well. I just wanted a baseline. Does anyone have experience with cam motions line of blower cams?

 

I haven't used their specific ones but I have them cut cams all the time. I have one in my truck now and one in my new motor I am putting together. I like cam motion. Just not familiar with their off the shelf cams.

 

so how much power could i potentially gain from putting a cam in it?

 

I gained just about 75rwhp from a TSP 220r cam, longtubes, intake and tune in my N/A 07 classic 4.8.. With a blower, and the right cam, you could see similar numbers in your application. Id expect a minimum 50+.

 

You in South Carolina?

 

Yes I live in Columbia

 

Cool, I'm in the upstate. I believe you used Nemesis racing. If so, I seen the vid of your truck on the dyno, sounds awesome! Mine was the red one in Shane's shop.