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yeah and its actualyl measured by preasure level inside the car, sound wave actually presurize the car.its pretty complicated but preasure level directly reflects decibal level.its done this way to prevent ppl from cheating by throwing a high powered tweeter near the location of the microphone/preasure sensor , though a car measured in this manner may hit 140 db, thats only the decibal level of the bass, the actually db level of the car(bass/mids/highs) can and in most cases is actually higher then the spl/db reading at one of these events
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#1 1989 RS - 3.0L V6 11.0-1 CR, LIGHTENED CRANK,J.E FORGED PISTONS, CUSTOM 280/284 .575/.575 116LSA ROLLER CAM, PORTED HEADS, PORTED INTAKE,CUSTOM TURBO KIT W/ BW S475,AW INTERCOOLER,METHANOL INJECTION, TCI STREETFIGHTER 700R4 W/ TCI 4,500 STALL,TWIN WALBORO 255'S & 83# INJECTORS
268 rwhp & 367.6 ftlbs @ 10 psi 3.1l
12.30's @ 112 3.1L @ 9 psi
??.?? @ ???? 3.0L @ 18 PSI
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