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Old 05-16-2011, 11:40 AM   #85
Padre
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Quote:
Originally Posted by Camarowguy View Post
Btw, I'm loving this thread. Padre, it looks like you gained almost the same from the Shorties and midpipes the same as full lengths, no?
My rough guess right now:

My track results show a combined
+0.365 ET
4.58 MPH
4000lbs
= gain of about 45 HP.
- minus better weather, -5-10hp
No tune (mine was, in the end, just KR reduction timing changes)

So, 35-40rwhp? (Absolute low end = +30rwhp.)

What do LT's, bolt-on only, high-flow cats, with no tune claim for RWHP?

Where's that duck smiley?

Hehehe.

Padre
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Old 05-16-2011, 12:00 PM   #86
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That's Awsome. Why does everyone frown on Shorties then? Is your gulp possibly what I mentioned above?
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Old 05-16-2011, 12:07 PM   #87
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Quote:
Originally Posted by Camarowguy View Post
That's Awsome. Why does everyone frown on Shorties then? Is your gulp possibly what I mentioned above?
I think that's exactly it. More later.
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Old 05-16-2011, 12:42 PM   #88
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Dang Lets see those 11 second time slips lol
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Old 05-16-2011, 01:00 PM   #89
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Again, thanks for posting all the detail mod by mod. With respect to trap speed, I might not be taking into account the raceweight and the overall gearing of the car. Do you finish the quarter in 3rd or 4th? What's next a small gear change?
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12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
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10.90@125 1.47 | + GPI VVT Cam + BW Ported Heads + CD 3800
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Old 05-16-2011, 01:14 PM   #90
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If I put mine in sport mode it doesn't do the "gulp" but it doesn't shift as hard as in drive. I wonder if I can swap this around in the ECM?
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Old 05-16-2011, 01:16 PM   #91
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Awesome thread Padre, been following each up grade and trying to keep up on the upgrades. Can’t decide if I want to go high flows next or gears, any thoughts? I don’t have any tune and trying not to use one until later down the road. Thanks a bunch for sharing.
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Old 05-16-2011, 02:43 PM   #92
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Quote:
Originally Posted by Camarowguy View Post
Is your gulp possibly what I mentioned above?
They are related somehow, because I did not lift on the throttle, but the reported TPS dropped from 84% (what the computer sees as wide open), to the 40%'s or somesuch. So something in the computer backed you off the throttle like traction control does. But I had traction control off, so the exact cause of the "gulp" is unknown to me. But the fix, for me, was to add more time (back in) to the desired shift time. Just a gut feeling, and it worked.

Quote:
Originally Posted by Pro Stock John View Post
Again, thanks for posting all the detail mod by mod. With respect to trap speed, I might not be taking into account the raceweight and the overall gearing of the car. Do you finish the quarter in 3rd or 4th? What's next a small gear change?
Exactly. On the chart above, you can see the 3-4 shift at about 10.0s. So I'm in 4th for just 2.1s.

So I have a 3.45 differential from an M6 and it goes in this week (hoping). A6 differential is 3.27. That ought to stretch out the time in 4th, moving earlier the 3-4 upshift. I haven't done the math yet, but I know I'll be happy with an earlier shift.

Anybody want a slightly used A6 3.27 diff? It actually would be great for a 3.73 gear swap from a vendor like Jannetty, and then you could sell your old diff...

Padre
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Old 05-16-2011, 02:47 PM   #93
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Quote:
Originally Posted by AC View Post
Awesome thread Padre, been following each up grade and trying to keep up on the upgrades. Can’t decide if I want to go high flows next or gears, any thoughts? I don’t have any tune and trying not to use one until later down the road. Thanks a bunch for sharing.
Thanks. The JBA High-FLow Catted Midpipes fit the JBA Shorties well. But the midpipes are an awkward fit on the stock manifold, works, but not great fitment. Solo makes midpipes too, ask around about their fitment.

I think the JBA Midpipes are a great mod for keeping most of the stock sound and not making the AFM noise worse, as headers do. It's an easy +20hp and easy to install.

Gears are also a great mod for performance and keeping the daily driving good. Torque Converter is great for performance but hurts daily driving (revving higher off the line and therefore noisier).

Padre
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The "Heretic": '11 2SS/RS L99 A6 Black/Inferno. Build Journal, Videos
D1SC GT9 JBA-LT = 720/680 | 10.330 @ 133.61, 1.546 sixty... Camaro King at ECS V, Darlington.
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Old 05-16-2011, 03:12 PM   #94
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I'm losing my mind, for some reason I though you had gone 12.19@111mph and actually you went 112.89mph... Practically 113mph with bolt-ons is fantastic and just about 4000 raceweight to boot.

How much trial and error has it taken you to figure out the trans tuning with HPT?
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Camaro Now: Mods for the Masses Part I | Part II
13.15@106 1.95 | 100% Stock
12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune
12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
11.84@115 1.59 | + 3.91s + Race Star 17x7 Fronts
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Old 05-16-2011, 04:03 PM   #95
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Quote:
Originally Posted by Padre View Post
Thanks. The JBA High-FLow Catted Midpipes fit the JBA Shorties well. But the midpipes are an awkward fit on the stock manifold, works, but not great fitment. Solo makes midpipes too, ask around about their fitment.

I think the JBA Midpipes are a great mod for keeping most of the stock sound and not making the AFM noise worse, as headers do. It's an easy +20hp and easy to install.

Gears are also a great mod for performance and keeping the daily driving good. Torque Converter is great for performance but hurts daily driving (revving higher off the line and therefore noisier).

Padre
I was thinking about a 2800 stall convertor like a yank convertor. I don't want to do anything that I will regret. As I said before I think I got one of the faster cars and my goal is to run in the 11's. I'm planning on doing everything you have (except wheels) plus a ported tb, underdrive pulley, cam and dyno tune. I think you'll be in the 11's with gears once you get your tune lined out perfectly.
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2000 1500 silverado extra cab
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Old 05-16-2011, 05:39 PM   #96
10spokess
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Quote:
Originally Posted by Padre View Post
Thanks. The JBA High-FLow Catted Midpipes fit the JBA Shorties well. But the midpipes are an awkward fit on the stock manifold, works, but not great fitment. Solo makes midpipes too, ask around about their fitment.

I think the JBA Midpipes are a great mod for keeping most of the stock sound and not making the AFM noise worse, as headers do. It's an easy +20hp and easy to install.

Gears are also a great mod for performance and keeping the daily driving good. Torque Converter is great for performance but hurts daily driving (revving higher off the line and therefore noisier).

Padre
What Gears did you go with again?
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Old 05-16-2011, 06:00 PM   #97
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Quote:
Originally Posted by 10spokess View Post
What Gears did you go with again?
Quote:
Originally Posted by Padre View Post
So I have a 3.45 differential from an M6 and it goes in this week (hoping). A6 differential is 3.27. That ought to stretch out the time in 4th, moving earlier the 3-4 upshift. I haven't done the math yet, but I know I'll be happy with an earlier shift.

Anybody want a slightly used A6 3.27 diff? It actually would be great for a 3.73 gear swap from a vendor like Jannetty, and then you could sell your old diff...
.
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The "Heretic": '11 2SS/RS L99 A6 Black/Inferno. Build Journal, Videos
D1SC GT9 JBA-LT = 720/680 | 10.330 @ 133.61, 1.546 sixty... Camaro King at ECS V, Darlington.
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Old 05-16-2011, 06:06 PM   #98
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Quote:
Originally Posted by Pro Stock John View Post
I'm losing my mind, for some reason I though you had gone 12.19@111mph and actually you went 112.89mph... Practically 113mph with bolt-ons is fantastic and just about 4000 raceweight to boot.

How much trial and error has it taken you to figure out the trans tuning with HPT?
I did get 112.95 with run one.

The tranny tune with HP Tuners was done after a lot of research on their forums and elsewhere. But it boiled down to simple changes in the pressure and desired shift times. I changed it only in shifts 1-2, 2-3, and 3-4 since that's all I need at the track, and around town I put the stock tranny tune back in. Actual adjustment at the track took just a few runs and one tweak (when I had the gulp).

Padre
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D1SC GT9 JBA-LT = 720/680 | 10.330 @ 133.61, 1.546 sixty... Camaro King at ECS V, Darlington.
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