4 plus 3 manual transmission

 · Vettoz posted a wiring diagram of the 4+3 and told me how to disable the computer and make it a strictly manual OD operation. I pulled the center console to get to the switch on the shifter. I wanted to still use that switch to operated the OD. When I removed the loom covering the wires to the switch, there was only one wire connected to the. doug nash 4+3 overdrive transmission parts rebuild kits. r 4l60e 4l65e 4l70e r4, doug nash od, muncie st saginaw nash-t10 t5 np np extension housing bushing seal kit fits ''87 3-speed 4-speed. Corvette 4 + 3 Overdrives. We have been rebuilding Corvette 4 +3 Overdrives since 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 is only used in Corvettes made in to and is not recommended to be swapped into street rod applications.

Find many great new used options and get the best deals for Shifter Assembly C4 Corvette Doug Nash 4 Plus 3 Manual Transmission - at the best online prices at eBay! Free shipping for many products! The F body (Camaro/Firebird) manual transmissions from the L/manual transmission cars won't fit. It's more than just the bell housing that is the problem. The five speeds are T5's, but they are different than the T5's in the S series trucks in several dimensions, and they won't easily fit into any S series truck. There was never a Suburban that used the V6. I have had 3 Suburbans, a 2wd and a built , a with a and I currently have a 4x4, I do not recall a Suburban ever having a manual trans at least from late 70's onward. The Sub with the was slow as a dog.

TH 3L80 DOUG NASH 4+3 OVERDRIVE TRANSMISSION ELECTRICAL CONNECTOR 1-PRONG LARGE O.D. FITS ''98 GM AUTOMATIC () TRANSTAR. $ $ Add to Cart. 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. January 4, October 5, CC Tech C4 (), Engine Drivetrain, Tech Tips. Time: 1 hour. Tools: Drain pain, sockets and 3/8” torque wrench. Talent: (3) Applicable Years: to Tab: $ Tip: Treat this job the same way you would treat changing the fluid and filter with an automatic transmission.