How can I identify my rear end?

Matt90LX · Oct 10, 2010

I bought a 5 lug set up from a guy on craigslist, he said everything was from an 86 SVO mustang, but I have found out that the svo's had rear disc, the rear end I bought is rear drum, the front spindles should work but im not sure about the rear end, I also read that the svo's were a 7.5" rear end not an 8.8, so can I even use the one I bought? I only payed $75 for everything so if it doesnt work out its not that big of a deal, I just need to know what I have so I can get the right parts when I go to get new gears, control arms, and brakes.

Thanks for any help

RatStang · Oct 10, 2010

7.5 Rear End

8.8 Rear End

Mustang5L5 · Oct 10, 2010

Well, if it's not disks and has drums, its prob a not an svo rear end. They are 7.5" as well.

Matt90LX · Oct 10, 2010

Thanks guys, I just looked at it, the housing has the two "c" shaped notches in it but the cover doesnt. I can see orange silicone around the cover and the cover looks newer, could it be a 7.5 cover on an 8.8 or did all the housings have the two c shaped notches?

RatStang · Oct 10, 2010

The covers are not swappable. The 7.5 cover is too short top to bottom.

Matt90LX · Oct 10, 2010

Ok so I have a 7.5 rear end. Now what do I do? Use it? scrap it?

2000xp8 · Oct 10, 2010

Matt90LX said:
Ok so I have a 7.5 rear end. Now what do I do? Use it? scrap it?

Scrap it.

Mustang5L5 · Oct 10, 2010

You have a 4 banger rear end. You prob have 4 banger front spindles too...which are unusable. How much did you pay for this stuff? Can you get your $$$ back?

Matt90LX · Oct 10, 2010

I only paid $75 for everything. What year 4 bangers had 5 lug?

Mustang5L5 · Oct 10, 2010

None. But there are rotors from other cars that will fit.

Measure the rotors...

10" = 4 banger or pre-87 v8
10.8" = 87-93 v8

Matt90LX · Oct 10, 2010

Mustang5L5 said:
None. But there are rotors from other cars that will fit.

Measure the rotors...

10" = 4 banger or pre-87 v8
10.8" = 87-93 v8

I'll have to get out to the garage tomorrow and measure them.

Thank you to everyone that replied, Your info was very helpful

1990_GT · Oct 11, 2010

From what remeber not all the 8.8 covers had the C notches like whats pictured above, one other way to tell is look at were the lca's mount and on the back side(towards rear of car) there should be a shock mount on each side, 8.8 had this 7.5 didnt.

Heres what they look like 1986-04 Mustang 8.8" Rear Lower Shock Mounting Bracket by Ford at LRS - Same Day Shipping!

Matt90LX · Oct 11, 2010

1990_GT I just ran outside and looked, I DO have the shock mounts behind the lca's. Thank you for that info, now all I have to do is figure out what car this thing is from so I can put some new brakes on it. I sure hope I dont have any problems with the front spindles, who knows what they came from!

Thanks again to everyone that posted, your information was very much appreciated

1990_GT · Oct 11, 2010

Matt90LX said:
1990_GT I just ran outside and looked, I DO have the shock mounts behind the lca's. Thank you for that info, now all I have to do is figure out what car this thing is from so I can put some new brakes on it. I sure hope I dont have any problems with the front spindles, who knows what they came from!

Thanks again to everyone that posted, your information was very much appreciated

Is it 4 lug drums or 5 lug drums? its probably a fox rear end with ranger axles/drums on it if it is 5 lug. Also if they are SVO spindles I think the Ball joint hole is larger in diameter and they dont make svo ball joints that I know of, so you will need to get the adapters from MM.

Im not 100% on the ball joint, but I remeber reading it somewhere.

Mustang5L5 · Oct 11, 2010

Well, if it is an 8.8, its had the 5 lug drum setup added. $75 for that alone is not bad.

Measure the front rotors to begin to narrow down what those are off.

Good pics would help.

Matt90LX · Oct 11, 2010

1990_GT yes they are 5 lug drums

Ill post picks of the rear end and the stuff I got for the front too, I didnt get time to measure the rotors today but tomorrow im free all day so ill get that done too. Thanks guys

Matt90LX · Oct 12, 2010

Ok here are some pics of the rear end, in some of them the rearend is upside down, Im currently one handed due to shoulder surgery, my neighbor saw me strugling and helped me turn it over. If you need a specific angle or picture let me know.How do I identify the rear end I bought? - MustangForums.com

I also measured the rotors, they are 10 inch. Should I try to get some sn-95 spinles or are the ones I bought useable?

Mustang5L5 · Oct 12, 2010

Unfortunately we can't view the pics unless we register. However the other guys says it's an 8.8.

If the front rotors are 10" then they are pre 87 or off a 4-banger.

I bet these parts came off a 1986. Does the rear end have a tag on the cover?

Matt90LX · Oct 12, 2010

Oh my bad, I never thought about having to register to view them. I wish I could get them to work. Unfortunately the tag on the rear end is gone. What car would have had an 8.8 5 lug with drum brakes from the mid 80's? Im also not sure what to do about the front spindles I got, It doesnt really make sense to put smaller brakes on my car. So what do I need from an sn-95 to convert to 5 lug?

RatStang · Oct 12, 2010

86 V8s came with 8.8s. Dunno about the 4 bangers though.

How can I identify my rear end?

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