well i went from 273's to 410's used to fill up at 220 religiously (sp.?) now i fill up at 235
. i use od alot more now around town. used to cruise 55 mph in d @ 1900 rpm, now 55 in od @ 1900-2000 rpm
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89 Notch: ASP Pullies, K&N Air,Transgo shiftkit,Trany cooler,FMS 3 core Radiator, FMS 4:10's