BBK Face Gauges

skiwesser · 12-25-2000, 01:00 AM

Santa brought me a set of these!!

QQ: I have a 88 GT & the gauges are

for my year model but they're 140 MPH.

I have an 85 MPH speedo, i know 140 MPH

were avaliable but what do i need to change

to change so it will be calibrated correctly?

I'm sure somone here has done thi b-4.

Thanks SKI

------------------
88 GT subs,pullies,1 1/2 shorties,F.M.,3.73's,PRO 5.0 shifter 9.39
cheap s.tires 8.881@78.09 D.R.'s

Hethj7 · 12-27-2000, 01:49 AM

It seems like a lot of posts lately have been about the white face guages. To correct your speedo, you need to change the speedometer gear that feeds into the tranny. I am not sure how many teeth you will need on the new gear though, nor have I figured out where to get this info. I know I have seen charts showing different combos and the correct gear to get, but I don't know where. Maybe call Summit or a Ford dealer and they can send you in the right direction. The gear itself is fairly cheap (10-20 bucks) and is easy to swap out. This is all assuming you have a T-5.

skiwesser · 12-28-2000, 01:05 AM

When i replaced my gears i replaced one of the two gears in the tranny (T-5) forget what the two are called but it was the easier one (plugs into side of tranny),i think this is the speedo cable??
I think the other interchangable gear is inside rear tail housing? hope not!

88COBRA · 12-28-2000, 10:52 AM

Well, since I have done quite allot of research on this subject, I will be able to help you. It is actually very simple.

All you have to do is drop by your local ford dealership and tell them you have a 89GT. That will give you the correct speedo top speed. Now, one problem is that you have 373 gear, I have 273, so it is a little more confusing. I would just go to the dealership and tell them you have a 89GT with 373 and tell them your tire size, they should be able to help you.

Let me know!

Ian

------------------
Ian Sim
webmaster@stangpower.com
STORED: 1988 Mustang GT "Canadian Cobra", stock, AOD, loaded
WANT XENON HEADLIGHTS AND WHITE FACE GAUGES? Visit my site:
http://www.stangpower.com

[This message has been edited by 88COBRA (edited 12-28-2000).]

skiwesser · 01-23-2001, 01:14 AM

Hey guys,
Thanks for your help but the dealership in
my town says the 89-93 140 MPH speedo is no longer available!!I even saw it on the computer screen? The head tecch. there (who is an exellelent mech. says i need the actual 140 MPH speedo mechinism at the end of the speedo cable in the dash to make it work.He had gone when I learned part was unavaiable.
If so many companies sell these gauge faces for 87's&88's there must be somone who sells these things?The dumb a** at the parts counter told me to try & find one at a junkyard!(impossable since I couldn't even find a rear sway bar at one around here!)
So somone please help so I can stop having to do the math when I go over 85!!!

88COBRA · 01-23-2001, 09:36 AM

I am in the same situation.

I will be going to the junkyard when the snow melts and getting an actual 140MPH. You will find one because some 4cyl came with the 140MPH.

Ian

------------------
Ian Sim
webmaster@stangpower.com
STORED: 1988 Mustang GT "Canadian Cobra", stock, AOD, loaded
WANT XENON HEADLIGHTS AND WHITE FACE GAUGES? Visit my site:
http://www.stangpower.com

12-25-2000, 01:00 AM	#1
skiwesser Registered Member Join Date: Sep 2000 Location: rock hill,S.C. 29730 Posts: 420	BBK Face Gauges Santa brought me a set of these!! QQ: I have a 88 GT & the gauges are for my year model but they're 140 MPH. I have an 85 MPH speedo, i know 140 MPH were avaliable but what do i need to change to change so it will be calibrated correctly? I'm sure somone here has done thi b-4. Thanks SKI ------------------ 88 GT subs,pullies,1 1/2 shorties,F.M.,3.73's,PRO 5.0 shifter 9.39 cheap s.tires 8.881@78.09 D.R.'s

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12-27-2000, 01:49 AM	#2
Hethj7 Mizzou Tigers Join Date: Apr 1999 Location: weston, MO United States Posts: 1,455	It seems like a lot of posts lately have been about the white face guages. To correct your speedo, you need to change the speedometer gear that feeds into the tranny. I am not sure how many teeth you will need on the new gear though, nor have I figured out where to get this info. I know I have seen charts showing different combos and the correct gear to get, but I don't know where. Maybe call Summit or a Ford dealer and they can send you in the right direction. The gear itself is fairly cheap (10-20 bucks) and is easy to swap out. This is all assuming you have a T-5.

12-28-2000, 01:05 AM	#3
skiwesser Registered Member Join Date: Sep 2000 Location: rock hill,S.C. 29730 Posts: 420	When i replaced my gears i replaced one of the two gears in the tranny (T-5) forget what the two are called but it was the easier one (plugs into side of tranny),i think this is the speedo cable?? I think the other interchangable gear is inside rear tail housing? hope not!

12-28-2000, 10:52 AM	#4
88COBRA STANGPOWER.COM Join Date: Jun 1999 Location: Ontario, Canada Posts: 1,045	Well, since I have done quite allot of research on this subject, I will be able to help you. It is actually very simple. All you have to do is drop by your local ford dealership and tell them you have a 89GT. That will give you the correct speedo top speed. Now, one problem is that you have 373 gear, I have 273, so it is a little more confusing. I would just go to the dealership and tell them you have a 89GT with 373 and tell them your tire size, they should be able to help you. Let me know! Ian ------------------ Ian Sim webmaster@stangpower.com STORED: 1988 Mustang GT "Canadian Cobra", stock, AOD, loaded WANT XENON HEADLIGHTS AND WHITE FACE GAUGES? Visit my site: http://www.stangpower.com [This message has been edited by 88COBRA (edited 12-28-2000).]

01-23-2001, 01:14 AM	#5
skiwesser Registered Member Join Date: Sep 2000 Location: rock hill,S.C. 29730 Posts: 420	Hey guys, Thanks for your help but the dealership in my town says the 89-93 140 MPH speedo is no longer available!!I even saw it on the computer screen? The head tecch. there (who is an exellelent mech. says i need the actual 140 MPH speedo mechinism at the end of the speedo cable in the dash to make it work.He had gone when I learned part was unavaiable. If so many companies sell these gauge faces for 87's&88's there must be somone who sells these things?The dumb a** at the parts counter told me to try & find one at a junkyard!(impossable since I couldn't even find a rear sway bar at one around here!) So somone please help so I can stop having to do the math when I go over 85!!!

01-23-2001, 09:36 AM	#6
88COBRA STANGPOWER.COM Join Date: Jun 1999 Location: Ontario, Canada Posts: 1,045	I am in the same situation. I will be going to the junkyard when the snow melts and getting an actual 140MPH. You will find one because some 4cyl came with the 140MPH. Ian ------------------ Ian Sim webmaster@stangpower.com STORED: 1988 Mustang GT "Canadian Cobra", stock, AOD, loaded WANT XENON HEADLIGHTS AND WHITE FACE GAUGES? Visit my site: http://www.stangpower.com