Anyone have dyno data and 1/4 mile data for the same Mustang GT with the whipple HO, Ford racing tune (91 octane), otherwise stock? I'm trying to determine if my track results (especially MPH) are typical.
Posts: 1562
Joined: 7/5/2006 From: New Orleans Status: offline
I recently had my car dynoed. I peaked at 10.9 PSI (3.375" pulley), made 465 RWHP, 448 RWTQ, and ran a 11.8 sec. 1/4 mile on the dyno (real world numbers would probably be slightly higher.) I also have a SPEC II clutch and aluminum driveshaft which may have attributed to my rear wheel numbers. (They are both lighter than stock.)
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Whipple Crew-10psi-Spec II-BMR LCAs-Granatelli sway bar delete-Spydershaft-M/T 26x11.5x17-Hurst-Prothane Mounts-PMP Line locks-Flows-Thump_rrr-Moroso separator
13.13 @ 112.44 mph lots of spin 2.28 60ft., 1200 ft elev. 73F 70% HUMIDITY, mph seems low. Were dyno numbers at operating temperature or near dead cold?