08-05-2011, 11:09 AM
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#22
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Drives: 2009 Pontiac G8 GT
Join Date: Sep 2009
Location: Victoria, TX
Posts: 52
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Quote:
Originally Posted by GoBlue20
no one has any input as to what their car does?
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When you're going 25mph, you are above what the stock TCM will allow for a downshift to 1st gear. You only get a downshift to 2nd gear and it feels really lazy I'm sure. If you have your TCM tuned, you can get fast downshifts to 1st gear above 30mph. Just need a tune.
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2013 Corvette Grand Sport A6 Forged 416, Greg Good ported TFS 255 LS3 heads, ECS NOVI 1500 blower, 222/242 .629/.604 121LSA EPS cam, ARH 1 7/8" headers, NPP exhaust, 747rwhp/709rwtq on 93 octane, no meth, w/stock street manners.
2014 GMC Yukon XL Denali, Air Raid MIT, tuned.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph Texas Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 Texas Mile
LS1,LS2,LS3,LS7 Custom Camshaft Specialist |
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