Yeah I'm with Rev, how bout that timeslip photo. Not saying you're lying but 13.6 in a "stock" GT?! That ain't so far from a C5. And given, there are mutant cars out there, but you gotta admit....
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'79 Mustang Coup
4" Cowl
Weld wheels (15x6;15x8)
Stock 5.8L
C4 w/ shift kit
1.5" MAC full length headers
Holley 750 CFM
Edelbrock intake
2.5" Off road H-pipe
8.8" Rear end w/ 2.73:1 gears (sucks!)
Front: 225/60/15 Rear: 255/60/15 Eagle GT II
Sucky Purolator air filter that's choking my car.