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05-11-2006, 04:11 PM #1
- Join Date
- Oct 2005
- Posts
- 37
Do I need a Tuner after header install?
Installing long tubes on my '01 formula A4. Will I need to have computer reprogrammed? Thanks
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05-11-2006, 04:18 PM #2
- Join Date
- Aug 1999
- Location
- Arizona
- Posts
- 51,360
Black- 383 Procharged & N20 Vert
I would get it dyno tuned, you most likely are running lean now.
Black 1999 Blown Convertible A4
Forged 383 | ATI D-1SC
NX MAF Kit | 222/226 .585 115
AS Stage II 6.0L FI Heads
Moser 9" | 3.70 | Wavetrac | 35 Spline | Vigilante 3600
548.0 RWHP - 563.8 RWTQ - 10# - D1
666.0 RWHP - 734.2 RWTQ - 125 Shot - P1
Black 2009 Escalade Hybrid 4WD
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05-11-2006, 04:23 PM #3
- Join Date
- Aug 2005
- Location
- Thornton, CO
- Posts
- 23,773
Red Tint Jewelcoat- 2008 Trailblazer SS
Don't LT's make it go rich?
But yeah...a good tune would find you more power and prevent any issues with fuel trims.2008 Trailblazer SS
Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
Lowered, HID's, tinted.
1999 Pontiac Trans Am WS.6 #1747 SOLD
531.1 RWHP 481.3 FT/Pounds all motor.
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05-11-2006, 04:26 PM #4
- Join Date
- Aug 1999
- Location
- Arizona
- Posts
- 51,360
Black- 383 Procharged & N20 Vert
I have seen it go both ways
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05-11-2006, 04:29 PM #5
- Join Date
- Aug 2005
- Location
- Thornton, CO
- Posts
- 23,773
Red Tint Jewelcoat- 2008 Trailblazer SS
Okay.
Just hear most of the time that they go rich. Mine did.
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05-11-2006, 06:04 PM #6
- Join Date
- Dec 2002
- Location
- n/w chicago
- Age
- 54
- Posts
- 6,932
black- 2000 nhra edition formula
i had mine tuned.
2000 nhra edition formula
a few bolt ons, 379 rwhp
11.96 @113.25
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