hi !

I am in restoration mode now with my fastback 68 4 speed with a 289. i have a 8 inch conventionel rear end. I want to put a track-lock. Does i am better to buy a new track lock to put in my 8 inch or to buy a 9 inch track-lock in housing, new brake, every thing restored ?!

sorry for my english, i am fench speaking !

Thanks for your times !

 

If you plan to keep the motor stock, 300hp, 350hp, an 8" track-loc would be fine, and less costly. You can hand (ship) your center section to a gear specialist and $600 american and they will put in a trac-loc and any gear ratio you want. New stronger axles and spider gears will still keep you under $1000. A 9" trac-loc is better for bigger horsepower, 400 hp+, but a full 9" will require a new complete rear end, cost is $2000 for a complete 9" trac-loc and brakes. Also know, a 9" rear end is allot heavier than an 8" rear end. There are advantages to a 9" rear end, but there are also advantages to a well built 8" rear end.

 

I found a guy who sold this one...
complete original 9"posi 3.00-1 with snubber new brakes 10"x 2" powder coated backing plates and drums,brake cylinders. fits 67 - 70 mustang but correct for 68 - 70. gt 350, gt 500, boss. cleaned and painted ready to install ,gears are perfect , posi is tight! For 1 000$

You think its a good deal or you think its better to rebuilt my original 8 inch with a track-lock ?!

 

It's a good price, but it is USED. Plan on needing to rebuild the carrier (trac-loc), in fact it might be a good idea while its out of the car anyway. $75 for the rebuild kit, and pay a knowledgable friend a case of beer (bordeaux in france) to rebuild it.

 

Drum to drum ready to bolt in, that isn't a bad price.

I just bought an 8" 3.25 trac-loc center section to replace the factory peg leg in the fastback for a lot less though.

 

where did you buy your trac-loc ? how much did you paid for it ?
thanks