06-06-2001, 12:40 PM
| #1 (permalink) |
| Registered Member  Join Date: Feb 2001 Location: Berkshire County - Massachusetts
Posts: 734
|  What kind of rear end do I have? To make a long story short, I bought a 93GT minus the motor and tranny that is an ex-drag car. The guy wa doing 9's in it so the rear end is beefed up. From what the previous owner told me, it has 3.73's in it. From looking at it with the slicks off (the slicks have metal valve stems) I can tell it's probably not the stock rear end, but it is an 8.8. It has extra long NHRA certified type lug bolts, a aluminum rear diff. cover, and what seems to be substantially larger axles. It seems much more stiff than my stock 87 GT rear end 'cause I jacked it up with the slicks on it and the passenger side rear will rotate slightly then lock and my 87GT just rotated freely. Anyone have any idea as to what type of rear it might be? Also, I should change the fluid in it...what type of fluid do I use and how hard is it to change it?? ------------------ Almost done! 93 GT, Dynamic C4, 8 pt cage, chute, Sothside Machine bars & Sub-frames, 3.73's '69 393 stroker w/SRP pistons, Edlebrock Performer heads, Performer RPM Upper & Lower Manifold..Crane Gold 1.6 Rollers Comp Cam..BBK 70MM TB, ceraminc shorties & H-pipe w/cats..30lb Injectors..Cartech Fuel System |
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06-06-2001, 01:29 PM
| #2 (permalink) |
| Registered Member  Join Date: Jan 1999 Location: Clayton, North Carolina, USA
Posts: 803
| Sounds like you have a 8.8 with 31 spline axels, that explains the larger diameter and long studs, a rear girdle is a common mod. Possibley some kind of aftermarket differential. ------------------ fordgasm CLICK HERE to see my 87 GT |
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06-06-2001, 09:31 PM
| #3 (permalink) |
| Registered Member Join Date: Feb 2001 Location: Berkshire County - Massachusetts
Posts: 734
| thanks...any ideas on how to change the fluid and what type of fluid to use?? ------------------ Almost done! 93 GT, Dynamic C4, 8 pt cage, chute, Sothside Machine bars & Sub-frames, 3.73's '69 393 stroker w/SRP pistons, Edlebrock Performer heads, Performer RPM Upper & Lower Manifold..Crane Gold 1.6 Rollers Comp Cam..BBK 70MM TB, ceraminc shorties & H-pipe w/cats..30lb Injectors..Cartech Fuel System |
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01-29-2005, 02:46 PM
| #4 (permalink) |
| Registered Member  Join Date: Jun 2002 Location: manassas, va
Posts: 186
| Re: What kind of rear end do I have? There should be a drain plug on the cover.. if not loosen the bolts slowly from around the rear diff. cover and let it leak out. be sure to have your drain pan under the rear while doing it.. They make gear oil you can get at any parts store or buy synthetic, I run Redline 75W90 synthetic gear oil.. any speed shop, online.. some parts stores.. Peace.
__________________ 1983 mustang, 393 cubic inch stroker small block, victor jr heads and intake, gold race 1.6 roller rockers. comp cam 304, 244@ .050. .576" hydralic retro roller cam,lunati rods. block was o-ringed,10:1 forged pistons, speed pro fit fit rings, clevite bearings,msd distributor and igniton,be cool huge radiator, black lite electric fan, march underdrive pulleys, mildon deep sump oil pan, mac 1 3.4" long tube headers, 3" dr gas x-pipe and mac exhaust,ARP bolts. car weighs 2900 lbs w/out driver, sub frames, weld wheels, mickey thompson sportsman pro 26 x 10.5 x 15's,#8 fuel line steel braided |
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