s197 rear end in a 99-04 new edge

02 roush stage 3 · Nov 6, 2013

looking for some info here on rear ends.

i have widebody front and rear fenders for my 2000 AIX car im building. and run 18x10.5" wheels all the way around. so rather than using 3" wheel spacers which is super impracticable, i was looking to do this

what im thinking is getting a GT500 rear end since it already has 31 splines axles etc. and is wider than a 99-04

anyone know what the difference is? i found 2 inches after searching around on google for quite a bit

and i plan on running a griggs watts link, which i dont see why it wouldn't bolt up and be compatible with a S197 rear end.

and figured i could locate the rear end wherever needed using double heimed lower control arms made forthe correct length

and was going to use a maximum motorsports torgue arm which should bolt the the axle tubes on the S197 rear end unless they are different for some reason?

just looking for some thoughts and info here

thanks

Han Solo · Nov 6, 2013

No help from me but I wanna see pictures when you are done.

02 roush stage 3 · Nov 6, 2013

i will be sire to do that. im my head i cant see why it wouldnt work, but i would rather get some hard details before hand lol

aurdraco · Nov 6, 2013

Sometimes when I have odd questions, I call Tommie Vaughn's aftermarket sales department. I wouldn't be surprised if they could answer the question since they probably deal with a lot of Houston drag racers.

edhunter · Nov 8, 2013

The 197 rear uses larger axle tubes I think. I don't think MM makes a torque arm setup yet for the 197 chassis but I could be wrong. Cortex racing does make one, you'd probably have to fabricate the front mount. Call Filip at Cortex, he could help you out. Nice guy, easy to get in touch with.

Run the longer lower control arms on the rear, ala World Challenge Arms. And a SLA up front. By widening the front track you can get nice geometry with longer upper/lower control arms. When I raced a fox in AI I made all my stuff, I had a 74.5" track width up front, 74" in the rear. I think my lower control arms were around 29" but it's been a while. I ran a DIY 3 link though. BTW, I used 2" rear wheel spacers on each side with no problems.

Sounds like a fun project... Good luck!

02 roush stage 3 · Nov 8, 2013

did you make your own SLA? got any part numbers or anything that you used?

i think its feasible to make one including shocks for under $2000.

i wish my moms shelby wasnt parked for the winter. or i could do some comparions myself and find out for sure.

02 roush stage 3 · Nov 8, 2013

found this thread which might help but figured id post it here for reference anyway

http://forums.corral.net/forums/road-racing-auto-x/1275694-s197-rear-axle-housing.html

02 roush stage 3 · Nov 8, 2013

found the answer

Jack Hidley said:
S197 8.8" from axle flange to axle flange is 65.40". This is not including the brake disc hat thickness. A 2004 Mustang 8.8" is 62.13" wide.

Toys is using the S197 8.8" as it uses 3" axle tubes that all of the stock car floater parts will more easily adapt to.

Toys · Nov 15, 2013

Man I really should get back to that project....

s197 rear end in a 99-04 new edge

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