oops!

justin025 · March 23rd, 2009, 08:38 PM

when i was installing my new gears i didn't check the backlash on the pinion or the diff. now i have gear whine. is there a way i can go back and fix it. i only have 50 plus miles on the new gears

SWEET2KSTANG · March 23rd, 2009, 08:43 PM

pull the cover and check backlash and gear pattern. not too bad if just backlash is off. you can reset the shims and correct it.

justin025 · March 23rd, 2009, 08:54 PM

i don't know if i just over worried but i feel the gears in my stick when under deceleration also the whine is only under decel. i might be under acel but i don't hear it over the exhaust. i did check the gear pattern before i put the cover on and it set deep but not touching the bottom of the ring. it wasn't quite center on the teeth but it was damn close.

justin025 · March 23rd, 2009, 09:20 PM

also how do you fix the speedo?

yellowstang6r · March 23rd, 2009, 09:23 PM

I believe for yours you have to get a speedo gear

justin025 · March 23rd, 2009, 09:36 PM

damn i was hoping that wasn't the case, can a livewire tuner also change it?

yellowstang6r · March 23rd, 2009, 09:38 PM

Its not that expensive if I remember correctly

justin025 · March 23rd, 2009, 09:41 PM

100 bucks.. i already have a tuner so if that does work with a custom tune then there is no need

Jazzer The Cat · March 23rd, 2009, 09:50 PM

A tuner won't help you with a pre-'99 Stang, you have a mechanical speedo.

When I went with 17"s on my '85 GT, I had to install a new speedo gear in trans. Was VERY easy to do and solved inaccuracy issue. I was off by 5 mph at 70 mph, so was all good.

Contact Ford and they can do the math for what gear you need. Was like $15.00 if I remember correctly and was like 18 years ago.

Jazzer

justin025 · March 23rd, 2009, 10:05 PM

so i found the gear, now to figure out how to install it....

Jazzer The Cat · March 23rd, 2009, 10:17 PM

^ tis easy

Just jack the car up and remove the speedo cable from drivers side of trans (was on drivers side of my T-5 back in da day) You should get only a little trans fluid out, but cannot say for certain as you probably have a T-45 and may be different. The gear is only held in by a small clip and took all of 10 miniutes to do.

Check out ***THIS*** page for some good info
Jazzer

BAzombie · March 23rd, 2009, 11:41 PM

+1 on the speed gear change.

On our cars (96-98) you can fix the speedo 2 ways.

1) with the gear ... $10-$20 ... Speedometer Recalibration Gears - '79-'98 Ford Mustang
2) with the speedcal ... $100 ... Speed Calibrator - SpeedCal at AmericanMuscle.com - Free Shipping!

The speedcal is supposed to be more accurate.

justin025 · March 24th, 2009, 08:50 AM

well my speedo was off by 5mph before the gear swap, and its 5mph fast so its a safeguard for me not to go over the speed limit

ad now back to the gear whine... ill see if i can get audio of it, and when i take it apart take pics of the gear marking compound to show the gear pattern

Jazzer The Cat · March 24th, 2009, 09:56 AM

^ over time, you will falsely "add" mileage to your ride, so I recommend you correct it.

Jazzer

Drtbkercr5 · March 24th, 2009, 10:13 AM

I also have gear whine under decel on my car with 4.10s. My backlash is set up correctly. So even when your car is set up right you may still get some gear whine. My gears do not stick though, so that might be a reason to go back in yours.

tommyt411 · March 24th, 2009, 10:30 AM

I heard yesterday from a reputable mustang shop in my town, that both richmond and motive gears will whine due to the company cutting corners. They said the only gear worth putting in is FRPP. They said no matter what, with richmond it will whine, and with motive they had to re-mark add shims, drive, add shims, drive, add shims, and they said it still had a whine after it was set perfectly!

Traidmarx · March 24th, 2009, 10:50 AM

Originally Posted by justin025

100 bucks.. i already have a tuner so if that does work with a custom tune then there is no need

a speedo gear is 7.99 from the local ford dealership. and its simple to pop in. and if you have an auto i believe the sct might work, but if its a 5spd, then no it wont.

Drtbkercr5 · March 24th, 2009, 11:08 AM

Originally Posted by tommyt411

I heard yesterday from a reputable mustang shop in my town, that both richmond and motive gears will whine due to the company cutting corners. They said the only gear worth putting in is FRPP. They said no matter what, with richmond it will whine, and with motive they had to re-mark add shims, drive, add shims, drive, add shims, and they said it still had a whine after it was set perfectly!

It says in his sig that they are FRPP and my gears are also FRPP. Just thought id throw that out there.

justin025 · March 24th, 2009, 11:49 AM

yes they are ford racing gears from AM. looks like i won't be able to do it till this weekend, which sucks. for the crush sleeve can u pick that up at any local store?

ModMustang97GT · March 24th, 2009, 12:54 PM

It could also be that your car is just spinning more rpm's. You are spinning 25% more revolutions per tire turn now than you were stock.

March 23rd, 2009, 08:38 PM	#1
justin025 Regular 1998 mustang GT 14.02@98.25 Join Date: Feb 2009 Location: Clarksville TN Posts: 255 iTrader: 0 reviews	oops! when i was installing my new gears i didn't check the backlash on the pinion or the diff. now i have gear whine. is there a way i can go back and fix it. i only have 50 plus miles on the new gears __________________ Pypes LT, BBK o/r h pipe, Flowmaster 40 Series, SCT Tune, 4.10 Ford Racing, H&R SS springs/ Eibach shocks, 10.5x17 nitto 555r's and 9x17 nitto 555's

March 23rd, 2009, 08:43 PM	#2
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	pull the cover and check backlash and gear pattern. not too bad if just backlash is off. you can reset the shims and correct it. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

March 23rd, 2009, 08:54 PM	#3
justin025 Regular 1998 mustang GT 14.02@98.25 Join Date: Feb 2009 Location: Clarksville TN Posts: 255 iTrader: 0 reviews	i don't know if i just over worried but i feel the gears in my stick when under deceleration also the whine is only under decel. i might be under acel but i don't hear it over the exhaust. i did check the gear pattern before i put the cover on and it set deep but not touching the bottom of the ring. it wasn't quite center on the teeth but it was damn close. __________________ Pypes LT, BBK o/r h pipe, Flowmaster 40 Series, SCT Tune, 4.10 Ford Racing, H&R SS springs/ Eibach shocks, 10.5x17 nitto 555r's and 9x17 nitto 555's

March 23rd, 2009, 09:20 PM	#4
justin025 Regular 1998 mustang GT 14.02@98.25 Join Date: Feb 2009 Location: Clarksville TN Posts: 255 iTrader: 0 reviews	also how do you fix the speedo? __________________ Pypes LT, BBK o/r h pipe, Flowmaster 40 Series, SCT Tune, 4.10 Ford Racing, H&R SS springs/ Eibach shocks, 10.5x17 nitto 555r's and 9x17 nitto 555's

March 23rd, 2009, 09:23 PM	#5
yellowstang6r Enthusiast 2001 Mustang V6 never ran it Join Date: Feb 2008 Location: Selinsgrove, PA Posts: 703 iTrader: 2 reviews	I believe for yours you have to get a speedo gear __________________ Pretty.............................Slow Mods: Apparently more than 250 characters

March 23rd, 2009, 09:36 PM	#6
justin025 Regular 1998 mustang GT 14.02@98.25 Join Date: Feb 2009 Location: Clarksville TN Posts: 255 iTrader: 0 reviews	damn i was hoping that wasn't the case, can a livewire tuner also change it? __________________ Pypes LT, BBK o/r h pipe, Flowmaster 40 Series, SCT Tune, 4.10 Ford Racing, H&R SS springs/ Eibach shocks, 10.5x17 nitto 555r's and 9x17 nitto 555's Last edited by justin025; March 23rd, 2009 at 09:39 PM.

March 23rd, 2009, 09:38 PM	#7
yellowstang6r Enthusiast 2001 Mustang V6 never ran it Join Date: Feb 2008 Location: Selinsgrove, PA Posts: 703 iTrader: 2 reviews	Its not that expensive if I remember correctly __________________ Pretty.............................Slow Mods: Apparently more than 250 characters

March 23rd, 2009, 09:41 PM	#8
justin025 Regular 1998 mustang GT 14.02@98.25 Join Date: Feb 2009 Location: Clarksville TN Posts: 255 iTrader: 0 reviews	100 bucks.. i already have a tuner so if that does work with a custom tune then there is no need __________________ Pypes LT, BBK o/r h pipe, Flowmaster 40 Series, SCT Tune, 4.10 Ford Racing, H&R SS springs/ Eibach shocks, 10.5x17 nitto 555r's and 9x17 nitto 555's

March 23rd, 2009, 10:05 PM	#10
justin025 Regular 1998 mustang GT 14.02@98.25 Join Date: Feb 2009 Location: Clarksville TN Posts: 255 iTrader: 0 reviews	so i found the gear, now to figure out how to install it.... __________________ Pypes LT, BBK o/r h pipe, Flowmaster 40 Series, SCT Tune, 4.10 Ford Racing, H&R SS springs/ Eibach shocks, 10.5x17 nitto 555r's and 9x17 nitto 555's

March 23rd, 2009, 11:41 PM	#12
BAzombie Regular 1996 GT Convertible 13.88@100.71 Join Date: Nov 2008 Location: Queensbury, NY Posts: 377 iTrader: 0 reviews	+1 on the speed gear change. On our cars (96-98) you can fix the speedo 2 ways. 1) with the gear ... $10-$20 ... Speedometer Recalibration Gears - '79-'98 Ford Mustang 2) with the speedcal ... $100 ... Speed Calibrator - SpeedCal at AmericanMuscle.com - Free Shipping! The speedcal is supposed to be more accurate. __________________ Mods: Katzkin Leather, MMR stage II heads w/PI cams, PI intake, Accufab 75mm TB & Plenum, CAI, Ram HDX clutch, Pacesetter LT's & X pipe, Pypes hi-flo cats, Flowmaster cat back,3.73 gears, Sct SF3 tuner, Mamba M2's

March 24th, 2009, 08:50 AM	#13
justin025 Regular 1998 mustang GT 14.02@98.25 Join Date: Feb 2009 Location: Clarksville TN Posts: 255 iTrader: 0 reviews	well my speedo was off by 5mph before the gear swap, and its 5mph fast so its a safeguard for me not to go over the speed limit ad now back to the gear whine... ill see if i can get audio of it, and when i take it apart take pics of the gear marking compound to show the gear pattern __________________ Pypes LT, BBK o/r h pipe, Flowmaster 40 Series, SCT Tune, 4.10 Ford Racing, H&R SS springs/ Eibach shocks, 10.5x17 nitto 555r's and 9x17 nitto 555's

March 24th, 2009, 10:30 AM	#16
tommyt411 Regular '97 GT Join Date: Oct 2006 Location: Dustville, TX Posts: 173 iTrader: 0 reviews	I heard yesterday from a reputable mustang shop in my town, that both richmond and motive gears will whine due to the company cutting corners. They said the only gear worth putting in is FRPP. They said no matter what, with richmond it will whine, and with motive they had to re-mark add shims, drive, add shims, drive, add shims, and they said it still had a whine after it was set perfectly!

March 24th, 2009, 11:49 AM	#19
justin025 Regular 1998 mustang GT 14.02@98.25 Join Date: Feb 2009 Location: Clarksville TN Posts: 255 iTrader: 0 reviews	yes they are ford racing gears from AM. looks like i won't be able to do it till this weekend, which sucks. for the crush sleeve can u pick that up at any local store? __________________ Pypes LT, BBK o/r h pipe, Flowmaster 40 Series, SCT Tune, 4.10 Ford Racing, H&R SS springs/ Eibach shocks, 10.5x17 nitto 555r's and 9x17 nitto 555's

March 24th, 2009, 12:54 PM	#20
ModMustang97GT Hardcore Enthusiast 1997 Mustang GT Faster than an s4 Join Date: Aug 2007 Location: Seattle, WA Posts: 1,598 iTrader: 0 reviews	It could also be that your car is just spinning more rpm's. You are spinning 25% more revolutions per tire turn now than you were stock. __________________ Aztec Gold 97GT. MM CC Plates, Panhard Bar, SFC's & Tower Brace Eibach Sway Bars H&R Race Springs/Bilstein Shocks MAC CAI, LT's, Catted H and Pro-Dumps KB Boost-a-Spark 04' PI Motor Author of The Official Suspension Guide

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