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View Full Version : 3.90 gears


stoney2677
07-17-2016, 07:02 PM
Thinking about some different gears. Currently have 3.42 in a 98-02 10 bolt. Recently switched from a carb to efi. Starts great and runs fine, no real change on a 40-60 roll. Seems like it should take off faster than it does. Car made 375/438 on a dynojet, no numbers with efi. Anyone have a decent set?