0Ron@Vengeance Racing

Well time FINALLY allowed us to get our shop C6 on a rack to install Phase I of a lengthy list of mods...

Step I- Baseline C6
Step II- Install American Racing 1 7/8 Longtubes/3x3 Catted X pipe/MagnaFlow Catback
Step III- Back on the dyno to see the gains......
Step IV Tune for Optimal performance

Results are below. Remember EVERYTHING else is 100% stock with the exception of the exhaust




The next Phase of mods includes the installation of a VaraRam Induction and then back on the dyno to see the gains with the VaraRam. Any tweaks to the tune will be performed at this point as well.

After that, we are going inside the motor... Getting a set of fully worked LS3 heads from TEA and running our Stage III camshaft/Pulley/thermostat...

I will keep everyone updated on the process step by step.

Thanx to Nick @ American Racing for a QUALITY Header System for our C6!!!

UPDATE!!!!

We finally got the VaraRam system on yesterday. VERY nice fitment and straight forward install for those of you who havent installed one yet....

Unfortunately the dyno did not reflect much of a change in #s @ WOT, but while datalogging we did notice an obvious change in MAP readings.. I am confident once we put this C6 on the street the Vararam will do its job.

Graph below:



Please see above guys... Every mod includes tuning to optimize the combo.

ATC399

I see nothing, it might be my computer

blackfd

thanks guys, i knew 1 7/8" was the way to go on a LS3, but this plot proves it

Ragtop 99

So this the headers without a tune? Just curious what the A/F was.

Z0Sick6

Also vengeance guys.. can u please post the final rwhp/torque numbers after the graph, for some reason - i can't see the numbers

beanfree

I doubt that those gains are without a tune.

Fore58

I just hope the same for my L92/L76. I have the Melrose 1 7/8"....and this is the reason why I chose them.

C6 Doberman

Great numbers!

Kinda makes me sick though. I've got to dump the LS2 heads for something better

0Ron@Vengeance Racing

Lets do an LS3 topend

catpat8000

Thanks for what might be the very first documented, controlled experiment adding headers to a C6!

You may be amused to find I've used this data here:
http://forums.corvetteforum.com/show...2088957&page=2

Pat

Nd4spd2

Subscribing to this thread - should prove interesting

2009 C6

0Ron@Vengeance Racing

Vararam just got installed guys. We are heading back over to the dyno for A/B comparison and tuning. Ill have results posted ASAP!!!!

Feel free to subscribe to this thread as I will document every gain/loss with the addition of every part we install. I think it will clear the air on a few things

mfrnka

Thanks for your efforts and updates. Subscribing...

A-Pex

C6 Doberman

Then I'm stuck with a Vengeance ported FAST 92 Would that be better than going with the Trick Flow heads?

beanfree

OP: are you saying you got 32.xx rwhp and 43.xx rwtq without a tune?

03 Z-oh-6

Subscribing

vettesweetnos

Subscribing as well. I may do 1 7/8 instead of 1 3/4 for my ls3 now.

bosco 08

i'm in