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  1970 Fastback with unknown Brakes?

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Author Topic:   1970 Fastback with unknown Brakes?
BobbyR
Journeyman

Posts: 29
From: Brentwood, CA USA
Registered: Jun 2002

posted 08-26-2002 08:23 PM     Click Here to See the Profile for BobbyR   Click Here to Email BobbyR     Edit/Delete Message   Reply w/Quote
I bought a 1970 Fastback and have to do some front end work on the car and cant figure out which brakes this car has.
Can any one help with the numbers given off the spindles and or the calipers?

Spindles: C7SA 12" rotors
3107B
20

Caliperes: 8W20
71304

Yes these have heavy duty 4 piston calipers!

[This message has been edited by BobbyR (edited 08-27-2002).]

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SteveLaRiviere
Administrator

Posts: 42139
From: Saco, Maine
Registered: May 99

posted 08-26-2002 08:27 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
C7SA is a '67 Thunderbird number.

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All Fords since 1977!

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Mpcoluv
Gearhead

Posts: 1268
From: Charlotte NC usa
Registered: Apr 2001

posted 08-27-2002 09:13 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
Does it have heavy and large 4-piston calipers?
Maybe it has the "Trans Am" brake kit that for sold over the counter in the early '70s.

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Moneymaker
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From: Lyons, IL, USA
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posted 08-27-2002 10:01 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Could be.

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BobbyR
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Posts: 29
From: Brentwood, CA USA
Registered: Jun 2002

posted 08-27-2002 12:36 PM     Click Here to See the Profile for BobbyR   Click Here to Email BobbyR     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Mpcoluv:
Does it have heavy and large 4-piston calipers?
Maybe it has the "Trans Am" brake kit that for sold over the counter in the early '70s.

I do not think these are from a Trans Am because there is a Ford stamp on the spindles but thanks for the info.

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BobbyR
Journeyman

Posts: 29
From: Brentwood, CA USA
Registered: Jun 2002

posted 08-27-2002 12:38 PM     Click Here to See the Profile for BobbyR   Click Here to Email BobbyR     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by SteveLaRiviere:
C7SA is a '67 Thunderbird number.


Does the 67 have 4 piston calipers

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Hemikiller
Gearhead

Posts: 551
From: Killingworth, CT
Registered: Feb 2002

posted 08-27-2002 12:42 PM     Click Here to See the Profile for Hemikiller   Click Here to Email Hemikiller     Edit/Delete Message   Reply w/Quote
The "trans-am" he was referring to was not the pontiac car, but the race series, and more specificly, the parts sold over the Ford dealer's counter (Muscle Parts). I believe it was part of the Boss 302 stage 3 suspension package or something like that. I'll have to check the manual I have on that.

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BobbyR
Journeyman

Posts: 29
From: Brentwood, CA USA
Registered: Jun 2002

posted 08-27-2002 12:45 PM     Click Here to See the Profile for BobbyR   Click Here to Email BobbyR     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Hemikiller:
The "trans-am" he was referring to was not the pontiac car, but the race series, and more specificly, the parts sold over the Ford dealer's counter (Muscle Parts). I believe it was part of the Boss 302 stage 3 suspension package or something like that. I'll have to check the manual I have on that.

Thank-you
Bob

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BobbyR
Journeyman

Posts: 29
From: Brentwood, CA USA
Registered: Jun 2002

posted 08-27-2002 12:57 PM     Click Here to See the Profile for BobbyR   Click Here to Email BobbyR     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by BobbyR:
[QUOTE]Originally posted by Hemikiller:
[b]The "trans-am" he was referring to was not the pontiac car, but the race series, and more specificly, the parts sold over the Ford dealer's counter (Muscle Parts). I believe it was part of the Boss 302 stage 3 suspension package or something like that. I'll have to check the manual I have on that.

Thank-you
Bob

[/B][/QUOTE]The reason I'm having so much trouble is the(new)stock lower control arm ball joint shaft diameter is too small plus the tie rod ends (new) stock don't fit. properly

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DidgeyTrucker
Gearhead

Posts: 1137
From: Greenbrier, TN USA
Registered: Oct 99

posted 08-27-2002 09:26 PM     Click Here to See the Profile for DidgeyTrucker   Click Here to Email DidgeyTrucker     Edit/Delete Message   Reply w/Quote
Could it be that someone has swapped '67 style big car (Galaxie/Thunderbied) disc brake spindles onto this car?

Tracy

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BobbyR
Journeyman

Posts: 29
From: Brentwood, CA USA
Registered: Jun 2002

posted 08-28-2002 11:17 AM     Click Here to See the Profile for BobbyR   Click Here to Email BobbyR     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by DidgeyTrucker:
Could it be that someone has swapped '67 style big car (Galaxie/Thunderbied) disc brake spindles onto this car?

Tracy


That is exactly what I have on my car. With all my new parts (stock)...i.e. controll arms, tie rod ends, ball joints, those spindles do not fit. I understand the Granada and Versailles parts fit. Do you know what year and model, spindles and brakes, fit on a 1970 Mustang?

[This message has been edited by BobbyR (edited 08-28-2002).]

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BobbyR
Journeyman

Posts: 29
From: Brentwood, CA USA
Registered: Jun 2002

posted 08-28-2002 11:24 AM     Click Here to See the Profile for BobbyR   Click Here to Email BobbyR     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by BobbyR:
[QUOTE]Originally posted by Mpcoluv:
[b]Does it have heavy and large 4-piston calipers?
Maybe it has the "Trans Am" brake kit that for sold over the counter in the early '70s.

I do not think these are from a Trans Am because there is a Ford stamp on the spindles but thanks for the info.The spindles and brakes are from a 67 Thunderbird that is why they don't fit properly with my new parts. Now I need to find some new or used complete set-ups.Any suggestions?

[/B][/QUOTE]

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Mpcoluv
Gearhead

Posts: 1268
From: Charlotte NC usa
Registered: Apr 2001

posted 08-28-2002 12:21 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
The "Trans Am" is the race series.
Ford actively raced '69 and '70 Boss 302 mustangs in the Trans Am series.
There was a brake system that was offered over the counter for road racing.
This kit used a mixture of Ford Big car components. Your setup initially sounded like this kit.
BTW, can't you use T-bird Tie rod ends?
Do you think the lower arm you have is from a T-bird?

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Jim Sams
'69 mustang Coupe
372C

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Hell_Fish
Gearhead

Posts: 860
From: Austin, TX.
Registered: May 2002

posted 08-28-2002 12:33 PM     Click Here to See the Profile for Hell_Fish   Click Here to Email Hell_Fish     Edit/Delete Message   Reply w/Quote
Trans Am was a racing series and if a car wanted to run special parts, they had to be over the counter parts, I believe.

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BobbyR
Journeyman

Posts: 29
From: Brentwood, CA USA
Registered: Jun 2002

posted 08-28-2002 01:04 PM     Click Here to See the Profile for BobbyR   Click Here to Email BobbyR     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Mpcoluv:
The "Trans Am" is the race series.
Ford actively raced '69 and '70 Boss 302 mustangs in the Trans Am series.
There was a brake system that was offered over the counter for road racing.
This kit used a mixture of Ford Big car components. Your setup initially sounded like this kit.
BTW, can't you use T-bird Tie rod ends?
Do you think the lower arm you have is from a T-bird?


I checked with my local parts store for the controll arms and tie rod ends on a 67 T-Bird and those are special order, around 100.00 for all four. Would it be smarter to try to get this thing back to stock (not for financial but for correct steering geometry)

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Mpcoluv
Gearhead

Posts: 1268
From: Charlotte NC usa
Registered: Apr 2001

posted 08-28-2002 01:57 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
[/b][/QUOTE]I checked with my local parts store for the controll arms and tie rod ends on a 67 T-Bird and those are special order, around 100.00 for all four. Would it be smarter to try to get this thing back to stock (not for financial but for correct steering geometry)

[/B][/QUOTE]

Have you measured the existing T-bird lower arms Vs. the new "Mustang" arms? I see no problem as long as the alignment can be correctly adjusted with the T-bird parts.

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