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Nitrous Al · 08-11-2001, 09:33 PM

The 1999 GT has a regular 8.8" rearend. The 1999 Cobra has the IRS rearend. The 3.73:1 gearset should knock a half of a second off the e.t. and really spin the tires with the transmission's 2.90:1 first gear.

08-11-2001, 09:33 PM	#5
Nitrous Al Registered Member Join Date: May 2000 Location: Everett, MA Posts: 417	The 1999 GT has a regular 8.8" rearend. The 1999 Cobra has the IRS rearend. The 3.73:1 gearset should knock a half of a second off the e.t. and really spin the tires with the transmission's 2.90:1 first gear.