first look at a 727 sfi 2 piece case!!!!!

https://www.youtube.com/watch?v=gdPfEIqFXNA

Wondering if it will fit in a stock tunnel ...Looks beefy and pricy.

Case and bell is 2,200 and I also doubt it will fit in a stock tunnel.

Looks unlikely that it will fit on a E Body without raising and/or widening the tunnel. I know a couple of guys who have swapped to TH400 types (B bodies) and they had to modify the tunnels any way.
I'm going to go with some sort of aftermarket gearbox before we run the 655 with N2O so it's an option if it will take a lot of tq but at the rate we are progressing that's a long way off

If a car has enough power to need an SFI case retaining the stock tunnel isn't much of a stumbling block.
Doug

Agreed but what is the max a stock 727 case will take ? I was told around 1000lb/ft or 1200hp with an all out build but this was quite a few years ago. We'll be 1750 ish when the N2O is on.

My car got the floor cit during the build. Makes maintenance much easier.
Doug

727 cases don't "fail" unless something inside fails and exits the case. There are currently people out there 1600-1700hp in a 727. Stock case obviously. Once you get above that level, the converter core becomes the issue. You need a big enough converter to handle that high of power level (upwards of 2,000hp), and without a 5/8-3/4" mid plate, you cannot get a big enough converter core for a 727 without the use of the thick mid plate, which most people can't run, especially in a unibody with a stock crossmember location.

This SFI 727 case and bell housing was produced by FI performance years ago. In 2019, A&A was approached by FI performance about investing in the case, and selling the case for FI. The problem was, the case did not fit into a car with a stock floor and firewall. They showed FI that and in turn, would not invest or sell the case unless the issue was corrected. It does not appear they corrected the issue as you can tell from the video, the case is extremely thick and bulky. I highly doubt this will fit in anyone's unibody car without serious modification to the floor and firewall.

I caution anyone who wants to buy one of these until there is some feedback that it is working well for others. Just my opinion.

I just have an SFI bell and I still had to enlarge my tunnel to make it fit.