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brianparker 02-12-2008, 10:44 AM what the hell is it. im thinking of buying my first vette and the year i want also of them have 4+3 transmissions. is it like a 3 speed with a overdrive or something. i have no clue. as far as a know i have only heard of them in a vette DynamicTuningSolutions 02-12-2008, 10:58 AM I dug up THIS (http://www.corvetteobsession.com/DougNashInformation.html) on google. brianparker 02-12-2008, 11:01 AM i was looking on google i really didnt find much of an answer. brianparker 02-12-2008, 01:00 PM 4+3-speed manual (4-speed manual with overdrive in 3rd and 4th gears) does the overdrive make it quicker then a 4 speed lilred85 02-12-2008, 05:19 PM 4 speed manual with overdrive in 2, 3, & 4th = 4 + 3 Improved gas milage mostly. Turn off the overdrive and have fun then let it do its thing when normal driving cmcbunch 02-13-2008, 05:32 AM 4+3-speed manual (4-speed manual with overdrive in 3rd and 4th gears) does the overdrive make it quicker then a 4 speed The overdrive box just raises the gear ratio so you can cruise on the highway. Without it 75 mph is 2200 rpm and top speed is about 120. | |