Z06 Stainless Works Header #'s
Stock Baseline 353/347
Stock Dynotuned 360/357
Blackwing w/tuning 371/366
Stainless Works headers w/cat delete 387/373
Same as above with Air/Fuel tweeked 393/385
40Hp increase so far....
Next is the Corsa titanium street catback, then heads.
Tom
www.ls1speed.com
www.z06speed.com
deeeeeep into the 11's....probably 10's....
You should try and see what you can get out of the car with just bolt-ons before going internal. Try an ASP pulley and a ported TB and I bet 400rwhp would be easy!When I'm out of school, I'll definitely be getting a Z06 and turn the TA into weekend car.

Jason
I would do a pulley next, that would give me another 4-8, but if I am going to pull the rack, the cam is getting changed.
This is my tenative future horsepower mod list:
-Corsa titanium street
-Ported TB
-160 Stat
I am undecided of the order of the next two
-1.8 or 1.85 Rockers
-RGR LS6 heads
-Cam/pulley if the rockers arent enough
We are doing one thing at a time to document the gains.
Tom
www.ls1speed.com
www.z06speed.com
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The new heads will have good springs, so the Comp rockers will be easy enough to swap on/off if they do not produce. On the other non-Z06 C5's we have installed 1.85 rockers on, they all have gained between 18-22 RWHP.
The 1.85 rockers will make the lift .599, and add a bit of duration. On the other hand, I am sure I will want the pulley at some point, and I would probably do the cam at the same time.
Tom
www.ls1speed.com
Wes
What happened to the a/f after the headers were installed-did the car go rich or lean and by how much? Just wondering because I'm bolting mine on this weekend and won't get a chance to dyno before I hit the track-i'm hoping i can make some small adjustments with my maft. Thanks and keep us posted on the mods-very informative!
Hopefully by Monday, we will get it on the dyno with the Corsa street titanium system.
Tom
www.ls1speed.com







