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Author Topic: Question about speedo gears hidnn.o.s. ¯ Member # 1219 posted                           From the looks of this chart I cannot get the correct gear? I have a 93AOD car with 410's now. It looks like the gear they tell me to use is the "correct" one for 355's. I replaced 327's. http://www.geocities.com/mgnedell/notchback/tech/speedo.html -------------------- R.I.P. Willie G. You are missed on this forum Posts: 15950 | Registered: Apr 2002  |  : MR GO FAST ¯ Member # 2088 posted                              YEP -------------------- 1986 Gt that is faster than FOSTANGS pinto Posts: 3729 | From: ATWATER/SANJO/RWC | Registered: Nov 2002  |  : BlackNGold CaliforniaFords.com Moderator Member # 655 posted                              If you have a 6 tooth drive gear then you can have a 20 tooth speedo gear for the 4.10's...The Auto trans 20 tooth is Orange Part# C8SZ-B... The drive gear you have stock is not 6 tooth so you have to replace that...I'm not sure how involved that is on an AOD... -------------------- -SLOWER TRAFFIC KEEP RIGHT- Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001  |  : hidnn.o.s. ¯ Member # 1219 posted                           FUC%........... Now my cars mileage is going to go up a lot more than it should...... It says that it is very involved to change the gearset inside the tranny. I guess I will toss in the 355 gear even though it won't be much different from my current 327 gear. -------------------- R.I.P. Willie G. You are missed on this forum Posts: 15950 | Registered: Apr 2002  |  : BlackNGold CaliforniaFords.com Moderator Member # 655 posted                              You can just get the speedometer itself recalibrated...There used to be a place in Hayward on Mission blvd, but I haven't been there in years!... EDIT- You can also buy a gear reducer box that mount after the speedo gear to help recalibrate the speedo... [ April 30, 2004, 02:47 PM: Message edited by: Black94 5.0 ] -------------------- -SLOWER TRAFFIC KEEP RIGHT- Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001  |  : mtbaughs Road Racer Member # 4052 posted                              Yeah maybe something like a gear venders adapter might be the fix. There used to be a speedo shop in San Jose to but I forget the name. Give Dale's transmissions a call in San Jose. I'd bet he would have a solution for ya. -------------------- R.I.P. Charlie Bruno Dec 2001 Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004  |  :

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