Has anyone had experience with these people?

www.extremechassis.com

I can get a Ford 8.8" rear end that already has a TA girdle on it for free so I won't have to worry about a core charge. With the Eaton posi it will cost 1730$ which is alot cheaper than any 12-bolt or Ford 9" costs, before adding on all the options. I know the Ford 8.8" is a very strong rear end but before I go spending the money I'd like to know if anyone has seen or heard about the quality of their work.

Waswa

 

My question is not why spend another 300 and get a 12 bolt? If you are spending that much you might as well get the best you can for your dollar.

 

I've heard good things about them, but last time I heard, they were on back order with a few things..

 

Actually its a 500$ difference if you include a TA girdle and ABS. Thats 500$ I can put elsewhere in the car. Really I mind end up putting in a Moser Ford 9", I'm still considering my options. I don't see how the 8.75" 12-bolt is any stronger than the Ford 8.8", it comes with Moser axles and an Eaton posi, I just question their quality considering all the welding they do on the diff housing for the torque arm bracket.

 

because an 8.8 is stronger, lighter, and more effiecent than a 12 bolt. a 12 bolt is 8.7

 

I don't think a 9" is neccessary unless you are running VERY low 9s. There are plenty of people running mid - high 9s with 8.8s in mustangs. I know of more than a few guys running low 9s with the stock traction lock diff too.

 

I know of an 8.20 mustang running an 8.8!

 

when welding cast iron to steel you are playing with fire, yeah they really lay it on but adventually after abusing it the welds will crack.
so that said i am doing ford 9" custom assemblies for 4 chanel abs for less than what shops charge. i have no shop over head, i work out of my garage but dont take that the wroug way, i used to work at DTS in warren michigan for 6 years, but now i have moved on the better things but am still state cert. and do gear installs in my driveway. e-mail me at www.skoresky@yahoo.com for further info.

 

Welding cast is indeed tricky... but cracks do not mysteriously appear after time or abuse with cast they will happen within hours of the welding. Its the graphite expulsion that causes problems when welding cast but with the proper equipment and technique it works excellent.

Whats not to gain by using an 8.8? Here are just a few obvious plusses;

1. WAY lighter than a 9 inch

2. More effecient than a 9 inch or 12 bolt=more RWHP

3. They run much quieter than a 9 inch or twelve bolt.

4. Parts are readilly available and very affordable

5. They are just as strong as a 12 bolt maybe stronger
- 12 bolt carriers have been known to break

6. You can get them as a bolt in with no hassles even the stock sway bar
will fit unlike a 9" or 12 bolt

Don't knock what you haven't tried... you may be missing out on something great.