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Old 09-27-2016, 12:36 PM   #1
HWS
 
Drives: 2011 SS/RS
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What ET should I be lookin at with what I have?

2011 SS/RS A6

CAI, Headers, Tune, DRs (ET Street with C6Z 18" wheels) is what's on the car right now. Running this weekend at the track, first time since CAI and Tune (12.79 @ 108 [Street tire]). Just curious what y'all think the gains of a tire and headers will do (stock exhaust with muffler/cat delete)? Also, what do you think it will do with a converter (dunno what converter yet) and gear (3.73)?

This is just pure curiosity but I'll report back with what I do.
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Old 09-27-2016, 01:40 PM   #2
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Depends on the conditions/driver, but Pro Stock John has a good log of how fast he went with different mods. He's also in IL so the conditions will be pretty similar, check out his build.
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Old 09-27-2016, 03:22 PM   #3
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My ears are burning...

I went 12.37@112 1.85 with headers, hi flow cats, air box, tune, under drive pulley and 20" Nitto 555 DRs.
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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
10.90@125 1.47 | + GPI VVT Cam + BW Ported Heads + CD 3800
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Old 09-28-2016, 03:10 PM   #4
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Quote:
Originally Posted by Pro Stock John View Post
My ears are burning...

I went 12.37@112 1.85 with headers, hi flow cats, air box, tune, under drive pulley and 20" Nitto 555 DRs.
I also went 12.3@112 with mickeys and good air in the old L99. 12.66@112 on the P-zeros.
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Old Yesterday, 03:13 AM   #5
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Quote:
Originally Posted by Pro Stock John View Post
My ears are burning...

I went 12.37@112 1.85 with headers, hi flow cats, air box, tune, under drive pulley and 20" Nitto 555 DRs.
My bad
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Old Yesterday, 08:21 AM   #6
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Quote:
Originally Posted by HWS View Post
2011 SS/RS A6

CAI, Headers, Tune, DRs (ET Street with C6Z 18" wheels) is what's on the car right now. Running this weekend at the track, first time since CAI and Tune (12.79 @ 108 [Street tire]). Just curious what y'all think the gains of a tire and headers will do (stock exhaust with muffler/cat delete)? Also, what do you think it will do with a converter (dunno what converter yet) and gear (3.73)?

This is just pure curiosity but I'll report back with what I do.
I'd guess it picks up ~4mph, and a lot of ET on the DRs. Low 12's pretty easy if it 60's even decently.

With regards to 3.73's and converter: I don't know too much about the A6 cars - what gear/RPM does it trap at now? Typically you work backwards from the traps to aim for an RPM to cross the finish with and adjust the gearing accordingly. Then, depending on where that leaves you on the launch you make some decisions about converter. It's my understanding that the A6 car has a pretty steep first gear to begin with, so you may find that you don't need that much converter if you add even more gear to the rear end. I would definitely consider getting your gear picked out for trapping first, and then decide how much converter, if any, you need.
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Old Yesterday, 09:25 AM   #7
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I went 11.84@114 (best mph 115) with adding 3.91 gears, slightly lighter fronts, and a slightly better 18" DR NT05Rs.

I'm a fan of gears for these cars, because we are heavy. 3.73, 3.91, I'm a fan.
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PROJECT HEAVY CHEVY
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
10.90@125 1.47 | + GPI VVT Cam + BW Ported Heads + CD 3800
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