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I guess it is inevitable to have improvements/changes over the years when you have a transmission that has been around for as long as the 4L60e.Welcome to the 4L60 family of transmissions. If I remember right the original 700R4s (which became the 4L60s) had over a thousand changes during their production.
I wouldn't worry about it too much and just be sure to clean and install all those pieces the same way they came out.
you want to install the isolator valve BACKWARDS. Flip it 180* and install it this way. This will turn your TCC into an on/off arrangement vs PWM. This is recommended in ALL builds.What is the general consensus on blocking the TCC valve?
I had no problems before, should I block it or not?
What would be the disadvantages of blocking it?
I read somewhere that it can cause poorer fuel economy?
Thanks.
I didn't think it was a good idea to reuse the old clutches, that's why I selected the kit whit clutches and steels.
The 3-4 pack is just totally destroyed. Some clutch plates are completely stripped an bent etc... the picture doesn't do it justice.
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I checked the reverse input drum, its not perfect, but from what I read it's still good.
I was going to ask about the corvette servo, everybody seem to change it out. I'm just curious why is it that much better?
The "Line Pressure Booster Kit" is basically increases line pressure by adding O rings to the piston?
I assume the High RPM (3-4/FWD) Clutch Spring Kit is to replace the completely flat 3-4 springs?
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I updated my shopping list.
bushings
ATP Master Transmission Repair Kit
Band
GM Genuine transmission solenoid
ATP B165 Filter
PIONEER 771003
TransGo 7-2P Corvette servo piston assembly
SONNAX 4L60ELB1
High RPM (3-4/FWD) Clutch Spring Kit
Thank you.