3.73 Gear - Speedometer calibration

SteveK · 07-05-2001, 12:29 AM

I just bought the 3.73 for my 98 GT. My question is that.... Doesn't it require speedometer calibration? Where do I get the gear for trans.? How much is this? and Where did you get it?

I'd appreciate all the help I can get on this.

Thanks
Steve

T_Bone · 07-05-2001, 10:04 PM

You can get a 23-tooth white speedo gear for about $20 from Steeda or Mustangs Unlimited.
The gear will get chewed up and eventually need replaced, plus at 100 mph, your speedo will be about 3 mph off.

The more permanent and accurate, yet expensive, method is to use an electronic speed calibrator. Dallas Mustangs sells one for $90, and so does Abbott for $145, http://www.abbott-tach.com/era.htm .
I have the abbott. It's easy to hook up, and make minor adjustments if you change gears again or tire size.
Another alternative is to get a custom chip burned.

Good luck!

------------------
Travis
T-Bones 1997 Cobra#6342 born 6-11-97

Wht/blk, Pro 5.0,FRPP 4.56's, aluminum driveshaft, FRPP throttle body, C&L 80mm MAF, K&N, Steeda U/D pulleys, Steeda timing adjuster, Borla cat-back, BBK cat H-pipe, SFC's, FRPP pro springs, BBK caster/cambers.
Best 1/8 E.T.-8.983 on street tires

[This message has been edited by T_Bone (edited 07-05-2001).]

SteveK · 07-06-2001, 08:51 AM

Travis,
Thank you for the info.
I don't imagine it is difficult to install.

Steve K.

07-05-2001, 12:29 AM	#1
SteveK Registered Member Join Date: Apr 2001 Location: Round Lake, IL, USA Posts: 51	3.73 Gear - Speedometer calibration I just bought the 3.73 for my 98 GT. My question is that.... Doesn't it require speedometer calibration? Where do I get the gear for trans.? How much is this? and Where did you get it? I'd appreciate all the help I can get on this. Thanks Steve

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07-05-2001, 10:04 PM	#2
T_Bone Registered Member Join Date: Jul 2000 Location: Minot AFB, ND Posts: 207	You can get a 23-tooth white speedo gear for about $20 from Steeda or Mustangs Unlimited. The gear will get chewed up and eventually need replaced, plus at 100 mph, your speedo will be about 3 mph off. The more permanent and accurate, yet expensive, method is to use an electronic speed calibrator. Dallas Mustangs sells one for $90, and so does Abbott for $145, http://www.abbott-tach.com/era.htm . I have the abbott. It's easy to hook up, and make minor adjustments if you change gears again or tire size. Another alternative is to get a custom chip burned. Good luck! ------------------ Travis T-Bones 1997 Cobra#6342 born 6-11-97 Wht/blk, Pro 5.0,FRPP 4.56's, aluminum driveshaft, FRPP throttle body, C&L 80mm MAF, K&N, Steeda U/D pulleys, Steeda timing adjuster, Borla cat-back, BBK cat H-pipe, SFC's, FRPP pro springs, BBK caster/cambers. Best 1/8 E.T.-8.983 on street tires [This message has been edited by T_Bone (edited 07-05-2001).]

07-06-2001, 08:51 AM	#3
SteveK Registered Member Join Date: Apr 2001 Location: Round Lake, IL, USA Posts: 51	Travis, Thank you for the info. I don't imagine it is difficult to install. Steve K.