4+3 manual corvette

 · But it was as weird as the name suggests, and it nearly ruined the car for the first six years. The Doug Nash 4+3 was a four-speed manual with Estimated Reading Time: 4 mins. Description. New reproduction C4 Corvette 4+3 manual transmission upper shift boot. Fits Early Corvettes with electronic overdrive switch on console plate. Frame mounting hole pattern is 3" wide x 8" long. Available in custom colors to compliment the look of your C4 Corvette's www.doorway.rution: C4.  · The “Doug Nash 4+3,” a four-speed manual on the Chevrolet Corvette with push-button overdrive in the top three gears, is considered by many to be one of those bits of questionable equipment Estimated Reading Time: 2 mins.

It is the Doug Nash 4+3 manual transmission. Think of it as a 4 speed but it has an separate overdrive you can engage and use on 2nd, 3rd, and 4th gears. This makes it almost a 7 speed, but really more like a 5 speed because there is no reason to use the overdrive on 2 or 3rd gears. The Doug Nash 4+3 was a four-speed manual with an automatic overdrive on the top three gears. Needless to say, this hack job of a transmission was anything but a tight and sporty manual. Corvette Doug Nash 4+3 Manual Transmission. Regular price. Sold out. Sale price. $1, Sale. Default Title - Sold out. Product Description: We have 4 Doug Nash 4+3’s. GM#

The very first C4 contained an L83 V8 engine with 4+3 manual transmission delivering an output power of hp and lb-ft torque. It was mated to either a standard four-speed automatic or a trick "4+3" transmission—a four-speed manual with overdrives in the top three gears. This transmission incorporates a Super T10 4 speed with an automatic overdrive. The overdrive can come on in second, third, and fourth gears. thus 4 + 3! It.