has anyone built a 727?

[revemup15]

Hey guys I've searched and haven't seen anyone built a 727? I am shooting for 400hp... please don't bash I'm a newbie... I would greatly appericate suggestions on how to build this 727 to handle 400 HP..... could iI base this build on other 518 builds? thanks in advance

[BC847]

could iI base this build on other 518 builds? thanks in advance

With the obvious exception of the overdrive section, yes.

- Most of the 3-speed section parts are interchangeable.

[revemup15]

Same tq and everything from a 518 will work on a 727?

[BC847]

Same tq and everything from a 518 will work on a 727?

Yup.

[bigbill105 45]

I personally wouldn't build a 727.

[jughead]

i have a friend that i built one for with a recorded 700 passes in a 3400 lb. high nines low 10s car quarter mi. with only one tear down and that was for a cracked hub on the converter. i repaired the pump cleaned it up and did not replace anything else. everything was stock over the counter parts but the 5.0 sec. lever and a reverse manual valve body

[redneckroot]

I went this route, and am now converting to a nv4500. Tried a few different converters but in the end without lock up I didn't like it. The biggest problem is loosing a lot of power that never makes it to the ground. I know in the gas world a lot of people use them, but in my experience even with a bunch of work they still don't hold the power.