Originally Posted by Playmate
And what does a TH 400 go into nowadays?
Everything meant for serious Race Wins Madam.
Even the single and Twin Turbo LS Guys here in Illinois use a Turbo 400 transmission.
A built 4L80E is 2nd pick.
Grumpy has most of the info for 4L80e overdrive on his site.
We solved the Torque converter durability issue with them a few months back on his site.
A 496 BBC Race build in a 1967 Camaro. Guy is from Indiana not far from me.
Real close to cracking 10s 1/4 mile. Just 2 tenths away.
All Motor no power adder.
Need a gear change. 3.73 gears now.
4L80E is a Turbo 400 with overdrive.