![]() Includes PWM Powervalve to correct code 1870 problems. Very happy overall and will purchase another for the next transmission.Ī few pics of the work below - sorry not much on the shift kit install itself. Code 1870 Delayed engagements Slide bump 2nd & 3rd 3-4 clutch burn-up Help for worn plates Provides more lube oil Regular and Heavy duty applications Improves overall transmission performance. Eliminated the issue of traction control cutting the power on the upshift at small throttle openings too. This kit allows you to hold any gear until redline without it upshifting on you and gives you options for how hard you want it to shift. Once the new shiftkit had been fitted, the shifts were instantly smooth at small throttle openings and there was no driveline shock when put into gear. Transgo SK 700-Jr Shift Kit 700R4 Automatic Transmission Valve Body Correction 700-R4 4L60 TH700-R4. The TransGo 4l60e HD2 has complete instructions for the DIY user that are easy to follow. OPT 4L60E Stage 1 Valve Body Upgrade Package 4L65E 4L70E Transmission Shift Kit Servo Pistons Plate. I opted for one shim as I wanted it to shift as smooth as possible. Transgo GM 4L60E Shift Kit Stage 2 High Performance 4L65E 4L70E 4L75E Transmission. Also, for the 1/2 accumulator you can choose whether you want to use 1,2 or 3 shims to firm the 1-2 shift. Learn how to install a TransGo Performance Shift Kit in a GM 4L60E transmission.Genuine TransGo Performance Shift Kits are available at onlinetransmissionpar. ![]() To get a nice 3rd shift, and to allow adequate flow to release the second gear servo it seems that 0.100-0.110" is the best size drill bit assuming mostly stock components. Do you need a comprehensive guide for transmission parts and solutions Check out the Superior Transmission Parts Pocket Catalog 2014, a handy PDF file that covers various products, features, applications, and tips for transmission repair and enhancement. I've done quite a bit of research and the general consensus is to stick with the smaller sized holes recommended by transgo in the instructions EXCEPT for the 3rd feed. There are a number of holes that need to be enlarged. Superior K4L60-E is a Shift Correction Package that offers regular and heavy duty applications in one package. The spare valvebody meant I could do 95% of the work before disassembling the transmission. I ended up using a brand new (thicker) separator plate and another valve body so that I knew that it was standard before I started working on it.
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