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They should be in this Friday.Īfter much debate I decided to go with a hydraulic clutch release bearing as the stock bellhousing does not have a provision for mounting a hydraulic slave cylinder.
#New process 542 transmission shift boot install#
Just ordered all the parts to install the NP440 into my Z.
![new process 542 transmission shift boot new process 542 transmission shift boot](https://www.mdpi.com/energies/energies-13-02871/article_deploy/html/images/energies-13-02871-ag.png)
![new process 542 transmission shift boot new process 542 transmission shift boot](https://www.picclickimg.com/d/l400/pict/165270025626_/Dodge-Truck-Power-wagon-1964-up-W.jpg)
73:1 final drive will drop my cruising RPM, according to my calculations based on stock R200 gearing and tire size, approximately 1000rpm which should increase my gas mileage, among other things, tremendously.Ĭurrently have the Wilwood master cylinder and new slave cylinder on order. Muncie/Borg Warner 4-speeds don't gain me anything as my car currently has a TH350 with the 1:1 final drive. They are cheap when the syncros are worn out. T5's are very expensive (in my area) in the GM pattern and the Ford ones aren't much better. My reason for buying being I want to go back to manual. Bellhousing, Hurst shifter, clutch, flywheel, pressure plate, linkages, lower cover plate and shift fork. I picked mine up last Friday for $400 complete with everything. I've read the only annoying part of these ratios is the first to second shift is a huge drop. However, they are nearly the exact same ratios as a 700R4 of comparable years. Make sense? This was done via switching the shift linkages on the outside of the transmission to change the order of the shifts.īeing a truck transmission the ratios aren't quite ideal for a car, with first gear being a steep 3.09:1. What NP did is swap the third gear ratio and make old third gear fourth gear and old fourth gear third gear. What's interesting to note is that the traditional 4th gear spot inside the transmission is still a 1:1 ratio, but third gear spot is the. If you are looking at one of these make sure you get the bellhousing! The second however is unique to the NP440 these are the later model versions (pictured below).
#New process 542 transmission shift boot manual#
The first (early years '81~'83) being the traditional GM manual style like a Muncie/T5 bellhousings from the Muncie/T5 will swap with a little modification. They came in two bellhousing bolt patterns. To my current knowledge, all came with factory Hurst shifters. The 440 was a GM version of the A833 with GM 10 spline input and 27 spline output shafts. However, in later years it became an overdrive 4-speed with the final drive reduced to. The A833 in early years was similar to a Muncie 4-speed in terms of functionality (external shift, bellhousing pattern, etc.) maintaining a 1:1 final drive. Its an overdrive 4 speed derived from the Mopar version called the A833. The transmission in question is a New Process 440, or NP440. I did a forum search on this transmission and got no results so I thought I'd document the swap and comment on driving impressions.