so why do some insist on 93 octane when u bump up the timing? i always figured that, on average a stock stang will run good @ 13*-14* w/ 87 octane. bumping it up to just say 15* may require 93 octane to avoid pinging. i always thought u should set timing as high as u can, once u hear pinging, drop down a degree or two. run 87, if it runs fine, stick w/ it. i also understand that every car is different right out of the factory. what do u all think? agree/disagree?
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1990 GT,stock T-5,K&N w/o air silencer,March underdrives,FMS wires,timing@14*,PA Perf 130amp alt,Steeda Tri-Ax Shifter,Steeda adj quadrant/clutch cable/firewall adj,Centerforce II clutch,o/r x-pipe,Magnaflow SS catback,g-load brace, subframes,Bilstein struts/shocks,Autometer gauges, 136k and running strong!
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