8.8 from cougar the same width as a mustang? December 06, 2004, 08:57:37 PM Just wondering if an 8.8 I took out of an 88 Cougar would be able to have the same 5 lug conversion as a mustang 8.8. I remeber reading that an 8.8 out of a bird/cougar is a little wider than one from a Mustang. So I am wondering if there is a difference in axle lenghts. Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #1 – December 06, 2004, 09:05:35 PM The difference is the axle lengths everything else is the same I think. More importently what kind of 88 cougar had a 8.8"? I thoguht they were all 7.5" like the Tbird sports. Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #2 – December 06, 2004, 09:22:43 PM Well, its a quad shock rear end out of a 5.0 so. I assumed it is an 8.8, It came from a cougar with the ground effects sides/rear/front. It must have been some special edition Cougar, I stole the fog lights off it for my Turbo Coupe and they fit.How would I be sure its an 8.8, I didn't pay anything for it and I only got it on my Mustang so I can roll it around. I want to start building a rear end up, and I am wanting to do a 5 lug conversion to match my fronts. So axles for a mustang rear end won't work in a bird/cougar rear end then? Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #3 – December 06, 2004, 09:25:20 PM Some one whome has worked on ones opinion is wanted here, I don't need any uneducated geuses. I am gonna talk to my differencial guy, he would know. Just thought I would hit it up here first. Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #4 – December 06, 2004, 09:43:17 PM 87-88 Cougar have 7.5..... Maybe XR7 has 8.8 but i doubt....T-bird Turbo Coupe has the 8.8The difference with the mustang Diff is 3/4 of inch shorter than Cougar/T-Bird each side.The 3 cougar i own(ed) were all 7.5 and Quad-Shox (Axle Kickers).... Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #5 – December 06, 2004, 10:28:24 PM My 20th anniversary and the junk one I bought both had 7.5" rears. It's easy to tell by looking at the diff. cover. Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #6 – December 06, 2004, 10:32:26 PM 1988 XR7's came with the 8.8. They all had 3.08's put in em from the factory. Oh and they had the larger 10" drums Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #7 – December 06, 2004, 10:41:09 PM Quote from: Paul Flockhart1988 XR7's came with the 8.8. They all had 3.08's put in em from the factory. Oh and they had the larger 10" drumsThat's odd since the 20th was also supposed to have the "XR7" handling package - I guess that meant the larger front/rear swaybars and the quadshocks? Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #8 – December 06, 2004, 11:03:35 PM It's only the 88 XR7 that had the 8.8". The 87 XR7 had the same 7.5" rear that the 20th had. Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #9 – December 06, 2004, 11:05:15 PM 20th was an 87. 8.8 was in the 88's only. You are correct on the swaybars and shocks. I'm pretty sure the 20th's had 10 inch brakes in the rear as well...Don't remember though. Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #10 – December 06, 2004, 11:07:34 PM If you want to 5-lug a TBird/Cougar...use axles and brakes from a 94-98 Mustang...axles are the same length.... Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #11 – December 07, 2004, 12:30:54 AM Hmmm, that makes sense then - the 8.8 wasn't installed in a Cougar until '88, and then only in the XR7 - I think I can remember that! Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #12 – December 07, 2004, 07:43:26 AM Quote from: Cougar5.0Hmmm, that makes sense then - the 8.8 wasn't installed in a Cougar until '88, and then only in the XR7 - I think I can remember that!I have a freind who has a '88 Tbird Sport that he claims has the 8.8" (he did buy it new and it is still orig), one of these days i'm gonna crawl under it and see.... Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #13 – December 07, 2004, 07:53:05 PM QuoteI have a freind who has a '88 Tbird Sport that he claims has the 8.8" (he did buy it new and it is still orig), one of these days i'm gonna crawl under it and see.... Well mine is a later built 88 I had since new and it has a 7.5...be interesting what you see Quote Selected
Re: 8.8 from cougar the same width as a mustang? Reply #14 – December 07, 2004, 11:14:35 PM Quote from: Chuck WIf you want to 5-lug a TBird/Cougar...use axles and brakes from a 94-98 Mustang...axles are the same length....I thats true then get the 94 and up axels and use a 5 lug drum from a Ranger or aerostar.Here are some pics of underneath a completely stock 88 XR7 On this shot you can see on the tag where the # 88 are together. Quote Selected
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