Pfadt Headers on a C6 LS3: 425rwhp
Pfadt Headers on a C6 LS3: 425rwhp In case some of you don't go to the dyno section:
2011 C6 LS3 narrow body. Stock cam, stock heads, manual trans: 425rwhp and 421ft-lbs and I haven't had it tuned yet. My tune appointment is on the 13th.
Mods:
Pfadt 1 3/4 headers w/ offroad x pipe
Factory Z06 axle back
Cordes Performance ported intake manifold
Callaway cold air intake
The other dyno graph was about a year ago and my only mod was the Callaway CAI. That was 405rwhp and 399ft-lbs.
Here is a couple of days ago after the ported intake. That dyno was bone stock with my old original air intake. Non ported intake manifold vs ported. After, the Callaway was put back on it went to 413rwhp.
2011 C6 LS3 narrow body. Stock cam, stock heads, manual trans: 425rwhp and 421ft-lbs and I haven't had it tuned yet. My tune appointment is on the 13th.
Mods:
Pfadt 1 3/4 headers w/ offroad x pipe
Factory Z06 axle back
Cordes Performance ported intake manifold
Callaway cold air intake
The other dyno graph was about a year ago and my only mod was the Callaway CAI. That was 405rwhp and 399ft-lbs.
Here is a couple of days ago after the ported intake. That dyno was bone stock with my old original air intake. Non ported intake manifold vs ported. After, the Callaway was put back on it went to 413rwhp.
I've been on two different dyno's a year apart and the numbers were consistent. 405rwhp on the Dynojet with the Callaway and 397rwhp bone stock on the Dynpack. In case any of you want the dyno "optimistic". I'm also having it tuned on the 13th on a different dyno than the previous runs, an in ground Dynojet.
Here's what I did the day I bought my car: I drove my car off the lot I waited for the oil to come up to temp. Then I had a 90 mile drive home. I varied the gears from 3, 4, and 5. I went wide open throttle in each of those gears until around 5000-5500rpm. Then I used engine braking to slow it down. I did that the first week I had the car on my commute to work also. So who knows, maybe I got really good ring seal. Maybe the motor is balanced really well also. I basically ended up with a 450-460 crank HP car from the factory. I'm not gonna complain.
Here's what I did the day I bought my car: I drove my car off the lot I waited for the oil to come up to temp. Then I had a 90 mile drive home. I varied the gears from 3, 4, and 5. I went wide open throttle in each of those gears until around 5000-5500rpm. Then I used engine braking to slow it down. I did that the first week I had the car on my commute to work also. So who knows, maybe I got really good ring seal. Maybe the motor is balanced really well also. I basically ended up with a 450-460 crank HP car from the factory. I'm not gonna complain.
Once I get the tune on the 13rd I'll take it for a run on street tires to get a mph. Assuming we still have a track in Phoenix to race at. Speedworld is already shut down and the Gila River Indians didn't renew the lease for Firebird. I'm not sure what the deal is with Firebird. Rumor is they don't like the current guy running the place and they just want to lease it to somebody else. Hopefully that's true. Firebird was never prepped worth a damn anytime I went. I haven't actually gone there in four years. But with Speedworld in legal limbo, I won't have a choice now. Unless I drive 140 miles to SIR in Tucson.
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