Rear axle id April 18, 2013, 10:05:45 PM For the life of me I can't seem to find "jcassity's" list of information! I am trying to read the axle information tag and I cannot find the correct codes. I would appreciate it if someone could help me.Tag reads: V4978 3L45 75 5C18 Thanks! Quote Selected
Rear axle id Reply #1 – April 18, 2013, 10:26:04 PM Looks to me like you have a 7.5" rear w/ 3.45 gears. Quote Selected
Rear axle id Reply #3 – April 18, 2013, 11:11:07 PM Yea the l stands for limited slip but don't recall a 3.45 gear you sure it's not a 5 .......3.55 Quote Selected
Rear axle id Reply #4 – April 19, 2013, 01:38:44 AM Perfect! Yep, it's a limited slip with 3.45 gears from a turbo coupe. That's what I paid for. Thanks! Quote Selected
Rear axle id Reply #5 – April 19, 2013, 02:51:59 AM Did they make 3.45 gears ? I have done a few just did a 3.73 swap for a buddy 7.5 Just never herd of a 3.45 Quote Selected
Rear axle id Reply #6 – April 19, 2013, 07:15:39 AM 1st generation Rangers had lots of 7.5" rears w/ 3.45's in them......that's where I'm framiliar with them. My fox cars have all had 8.8's. Quote Selected
Rear axle id Reply #7 – April 19, 2013, 09:56:14 AM If my memory serves me right, (just don't ask the wife about that LOL) That's what I had in my 86 TC before the LSC swap. Quote Selected
Rear axle id Reply #8 – April 19, 2013, 10:28:58 AM Right now all I have in my possession is a set of factory Ford Mustang shorty's and this rear axle then I can start working on the interior. Being my car has an AOD transmission I doubt that I will have much wheel hop. I am seriously considering Aerocoupe's suggestion to buy a set of CHE control arms for this axle. I still need to find out who sells the horizontal shocks. Thanks! Quote Selected
Rear axle id Reply #9 – April 19, 2013, 12:39:54 PM Quote from: 86cougar;413534I still need to find out who sells the horizontal shocks. Thanks! I think local parts stores carry, or can bring in, the quad shocks. 4-5 years ago I picked up some from Autozone. I think they were Monroes or Gabriels.Edit:Gabriel 14039http://www.autozone.com/autozone/parts/Gabriel-Steering-Damper/1988-Ford-Mustang/_/N-ihy8aZ8oxi5?itemIdentifier=8593_481907_20203_http://www.amazon.com/Gabriel-14039-Steering-Damper/dp/B001AM5P48 Quote Selected
Rear axle id Reply #10 – April 19, 2013, 03:10:03 PM Looks like they are easily available. I'm going outside to start getting this axle cleaned up for installation. I can't wait to see what a difference it will be from my stock 2.73 gear axle to this limited slip 3.45 gear quad shock axle will be like! Thanks! Quote Selected
Rear axle id Reply #11 – April 19, 2013, 03:38:06 PM I put a track lock and 3.73 in my buddy's 96 v6 auto mustang He had stock 2.73 and the 3.73 woke the turd up ..... Still a turd though lolI'm sure you will enjoy the difference don't forget your speedo will be off some Quote Selected
Rear axle id Reply #12 – April 19, 2013, 07:17:05 PM Quote from: STANG8U;413552I put a track lock and 3.73 in my buddy's 96 v6 auto mustang He had stock 2.73 and the 3.73 woke the turd up ..... Still a turd though lolI'm sure you will enjoy the difference don't forget your speedo will be off someMy poor car hasn't had a good cleaning in about a year when I started this project, cool thing is the engine compartment is cleaner than the rest of the car for a change. My new rebuilt "87" Mustang HO engine has about 200 miles on it now. I had the front end aligned along with rotation and balance today. I took off most of the garbage off the axle, so now it's about ready to clean up and paint. I'm trying to figure out which "CHE" package I should buy for this axle. I like having the option of being able to raise and lower the rear end. I bought the stiffest springs I could find (cargo on rear) so that I could cut 1/2 - 1 coil off to lower my car, then put 225/(50 or 55)/16 tires on it. An suggestions are appreciated! Thanks! Quote Selected
Rear axle id Reply #13 – April 20, 2013, 07:49:44 AM Just a point!!!Pull the cover count the teeth and devide. This will accomplish 5 things1 The rear ratio2 If it has POSI3 Change the cruddy oil and gasket and flush out all the particles. There is always some4 Measure the ring gear for size. Should be a 7.5 and 3.45 ratio by the tag 5 Check the unit for wear and back lashA 10 dollar gasket is all that is needed with a couple QUARTS of 75-140Win Win Situation and problem solved !!! Quote Selected
Rear axle id Reply #14 – April 20, 2013, 10:01:38 AM Quote from: TOM Renzo;413583Just a point!!!Pull the cover count the teeth and devide. This will accomplish 5 things1 The rear ratio2 If it has POSI3 Change the cruddy oil and gasket and flush out all the particles. There is always some4 Measure the ring gear for size. Should be a 7.5 and 3.45 ratio by the tag 5 Check the unit for wear and back lashA 10 dollar gasket is all that is needed with a couple QUARTS of 75-140Win Win Situation and problem solved !!! Tom, That's the fun part of cleaning, I get to open it up. I also take a can of brake cleaner and clean it out. I've noticed that the new gear oil is synthetic now and like you said 75-140w not just 90w.I did notice some oil dripping from the front of the pumpkin yesterday (where the u joint connects). Is there a seal there that will need to be replaced? Thanks for your help! Quote Selected
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