So what's the consensus on the 700R4? I just remember when it first came out, it was a complete pile of crap - but nowadays it seems to be well regarded.
It grew into the 4L - 60 which isn't the worst trans. A 700R4 can be built into a Okay street Overdrive trans. but it 's not T - 400 tough.
If you just have to have a juice box trans , a 4L - 80 E is strong , but large and needs a controller.
For you old Hot Rod readers;
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Just an FYI... The TH400 does have a 4 speed non-computer controlled competitor. The 4L60, "that'll withstand up to 700 horsepower..."
https://gearstar.com/replacing-the-old-th400-with-level-3-4l60#:~:text=The 4L60 transmission as been,in almost any old truck.
I haven't heard off a non-electronic controlled 4L series transmission. Looking around, I keep finding sites claiming 700R and 4L60 (no E) are the same transmission. Do you know anything different?
Did you check out the link in my post. It looks as though it's something they put together and sell.
I did. They don't offer a trans with that specific code, which is what sent me looking to see what's out there. I keep finding sites claiming the 700R4 was recoded by GM as the 4L60, then they added the electronic control. I'm interested because I'm looking to swap out a powerglide, but don't want to jump into electronic controls, which limits me to a 200R4 or 700R4 as far as I know.
View attachment 475490
CS1 Standard Design
lntroduced in 1972 as a 2-speed the Standard Design LENCO is our largest and strongest transmission. Most often seen in supercharged alcohol and mega HP nitrous cars the CS1 Standard Design LENCO is also commonly used by Pro Mod machines and blown nitro and alcohol drag boats.
The CS1 Standard Design LENCO is recommended for the most severe applications and is capable of repeatable consistency with a minimum of maintenance. Engineered to handle 3500+ HP the Standard Design LENCO is available with up to 5 speeds and comes in a cast magnesium case. Lever or CO2 shift.
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