Hi, I would like your ideas and input to this thought I have a 92 GTA with 5.7 and
the 3.23 gear it runs at 1900 or so in over
drive at 100 km\h or 60 mph would a set of 3.73 give me (a lot) more bottom end without
killing my gas milage? any one do this? let me know your results, before i waste more money i don't have.Best to date 14.6 @ 99 mph
G-tech, thanks GTA.......

 

Mine went exactly the same in the 1/4 with 3.23 or 3.73s.


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1991 Firebird
350 L98 (was a 305 TBI),T-5,Edelbrock TES and cat back,Accel manifold
NOS,subframes,jegster torque arm,MSD Digital 6
AFPR,Lakewood lcas
Hurst linelock,SLP cam (206 212 .480 .486),relocated battery,cold air,Hypertech chip,centerforce df,clutch
poly bushings and mounts
AFR 190s
Harland sharp 1.5 rockers
autopower rollbar

12.33 @ 114.83 juiced uncorrected

13.510 @ 102 non juiced uncorrected

 

Wow who would of thought! did the 3.73 spin
harder out of the hole causing the same et?
GTA....

 

Not really. The TPI ran out of breath at the end of the 1/4.