Need some about the Rear End...

281CI96Coupe · May 21, 2008

Need some tech help guys. I just ordered 3.73's + Master bearing kit for my Auto, yes I do alot of highway driving. I was just wondering what type of gear oil should I use? I was thinking of Amsoil Severe duty...what weight do I need? Also last and final chance Dallas Mustang speedcal or a Speedo gear? I made a thread before but I can't make up my mind ahhhhh....

Side note - When I get these gears in? do I need a tune? and would cruising be annoying....

Thanks guys

mixedbreed02gt · May 21, 2008

281CI96Coupe said:
Need some tech help guys. I just ordered 3.73's + Master bearing kit for my Auto, yes I do alot of highway driving. I was just wondering what type of gear oil should I use? I was thinking of Amsoil Severe duty...what weight do I need? Also last and final chance Dallas Mustang speedcal or a Speedo gear? I made a thread before but I can't make up my mind ahhhhh....

Side note - When I get these gears in? do I need a tune? and would cruising be annoying....

Thanks guys

negative ghost rider...Royal Purple 75W-90 Synthetic Gear Oil will be perfect. no you don't need a tune, but you will need either a hand held tuner to compensate for your speedo or a dallas mustangs speed calibrator. a speedo gear won't work on the 99-04's...they are electronically controlled.

both are available at AmericanMuscle.com

Pearl02 · May 21, 2008

1+ For Rayal Purple. Pearl02

darkside03gt · May 21, 2008

do some re-search RP FTMFL. cobrared can tell you a few bad things about them.

get a handheld tuner or tuning software like sniper special forces thats what i have and love it. willie at dirtydirtyracing.com will hook you up with a free custom tune i believe if you buy the software from him.

2002BLGT · May 21, 2008

281CI96Coupe said:
Need some tech help guys. I just ordered 3.73's + Master bearing kit for my Auto, yes I do alot of highway driving. I was just wondering what type of gear oil should I use? I was thinking of Amsoil Severe duty...what weight do I need? Also last and final chance Dallas Mustang speedcal or a Speedo gear? I made a thread before but I can't make up my mind ahhhhh....

Side note - When I get these gears in? do I need a tune? and would cruising be annoying....

Thanks guys

for the speedo just get I believe a 23 tooth speedo gear , the 98 and older ones require a speedcal or gear to fix the speedo , speedo gear is alot cheaper , 23 tooth jeep gear is about 9 bucks and most dodge dealers , google mustang and jeep speedo gear and you should be able to find the part number for it , its on several websites ......

CobraRed_96_GT · May 22, 2008

mixedbreed02gt said:
negative ghost rider...Royal Purple 75W-90 Synthetic Gear Oil will be perfect. no you don't need a tune, but you will need either a hand held tuner to compensate for your speedo or a dallas mustangs speed calibrator. a speedo gear won't work on the 99-04's...they are electronically controlled.

both are available at AmericanMuscle.com

Firstly his car isn't a 99-04 so he cant use a tuner, secondly I'd like to hear why you suggest Royal Purple - as I'm not going to get into a discussion again, but would like to hear why people pass along this advice.

mixedbreed02gt · May 22, 2008

CobraRed_96_GT said:
Firstly his car isn't a 99-04 so he cant use a tuner, secondly I'd like to hear why you suggest Royal Purple - as I'm not going to get into a discussion again, but would like to hear why people pass along this advice.

Never had a problem with Royal Purple, used it on my 97 cobra, used it on my 02. it's good stuff. why go with something else when it works for ya?

didn't realize his car was a 96-98. $10 speedo gear will work just fine for him.

281CI96Coupe · May 22, 2008

Yeah I'm sorry guys. I forgot to include that the car is 96 GT. Does the speedo gear neccessarily have to be a 23 tooth speedo gear, because I read a long time ago that you can use a 21 tooth purple gear. I dont remember who said it. Tough Decisions. $10 gear or $100 Speedcal.

mixedbreed02gt · May 22, 2008

281CI96Coupe said:
Yeah I'm sorry guys. I forgot to include that the car is 96 GT. Does the speedo gear neccessarily have to be a 23 tooth speedo gear, because I read a long time ago that you can use a 21 tooth purple gear. I dont remember who said it. Tough Decisions. $10 gear or $100 Speedcal.

5.0 resto should have the proper speedo gear for cheap. check it out there.

2002BLGT · May 22, 2008

mixedbreed02gt said:
5.0 resto should have the proper speedo gear for cheap. check it out there.

yea and I am pretty sure they have a chart to help you pick the right tooth gear ....

mixedbreed02gt · May 23, 2008

hre's the gear oil.

http://www.americanmuscle.com/royal-purple-max-gear-75w90-gear-oil.html

281CI96Coupe · May 23, 2008

Thanks guys.

mixedbreed02gt · May 24, 2008

281CI96Coupe said:
Thanks guys.

no problem man, that's what we're here for.

Need some about the Rear End...

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