You need more traction. Like you, I previously ran low 13s w/2.1 60 ft, but after a decent burnout on BFG DRs I ran 12.80 @108.13 w/1.80 60ft.
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'93 GT Conv.
TFS Twisted Wedge Heads, Cobra Intake, Lunati Cam, 24lb inj.,Pro-M 80 mm MAF
12.80 @ 108.13 mph w/1.80sec 60ft
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