Quote:
Originally Posted by NormSky
A good rule of thumb is to double the reduction in 60' times to see changes at the end.
If you dropped 60' from 2.2 to 2.0 you can expect .4 drop in your ET. Might not be exact with turbos but for NA it is very accurate.
Norm
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I've discovered it's more like 125-150% drop in the ET, not 200%. I'll go back and look at all 14 runs I have in the Solstice,
Quote:
Originally Posted by Craig Lewis
Your arithmetic gives me hope for FAR better times. I never spent much time learning the math of drag racing. It always impresses me what some can deduced from a timeslip.
I witnessed an auto GXP do 2.0 flat repeatedly on stock tires, just yesterday.
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It's all about the driver in a manual car. This guy is a holeshot KING: Launch_Tips
MIR is a great track, I've pulled a 1.4 60ft there on drag radials. (NOT in the Solstice)
Quote:
Originally Posted by NormSky
Automatics are eault to pre load the torque converter. Add turbo on top of that and it's the cherry on the cake all the way down the strip! 
Norm |
The GMPP tune limits torque to 50% with the brake applied also reduces power (I believe by closing the throttle) during the shifts to protect the transmissions. Long gone are the days of a GN running a 200-R4 staying in boost from line to traps.
__________________
1999 Formula: 402-F1C-ETP heads-T56 6 spd-etc... 891 rwhp 9.85@146
2004 Ram 3500 dually
2007 Corvette A6-FAST 92-Kook headers-11.74@120
2009 Touareg TDI V6, Purchased 03 June 2009.
2009 Solstice Coupe Deep #0199, A5, Purchased 28 May 2009- GMPP Turbo Upgrade 225rwhp/216Tq, Magnaflow catback, Splash Guards, Soft Top, H&R Springs, Backbone, Probeam, ZOK Sway bars, EBC Yellowstuff brake pads, OZ Ultraleggera 18x9", Nitto INVO 275/40/18
60' 1.955 1/8 8.643@79.81 13.558@100.5 MPH
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