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Author Topic:   Lower control arm lengths
SundanceKid
Gearhead

Posts: 732
From: UT
Registered: Feb 2001

posted 02-01-2002 10:15 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
I'm working on a project, and I need to know if all lower control arm lengths were the same on all Mustangs and simular front suspensions, Mustang, Mavrick, Granada....ect. I'm looking for a control arm longer then the stock 65 lower control arm. Is there such a thing already made by Ford? Anyone have a site with the differant lengths by chance? Thanks for any info you can provide.

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SundanceKid
Gearhead

Posts: 732
From: UT
Registered: Feb 2001

posted 02-06-2002 01:10 AM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
Anyone? Should I post this as a trivia question?

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amartin725
Journeyman

Posts: 58
From: Attleboro, MA
Registered: Nov 2000

posted 02-06-2002 11:49 AM     Click Here to See the Profile for amartin725     Edit/Delete Message   Reply w/Quote
Good luck. Your best bet is probably a day at the pick and pull with a tape measure. I have yet to find a better source for info. Any queries I have made on other boards about suspension dimensions and movmements have all gone unanswered.

I've been doing quite a bit of research on the similarites and differences between the '65 and MII suspension. I can tell you that the lower arms between those two are identical length, and have the same pivot point/ball joint dimensions. Their suspension movment is very different though as the spindles and upper arms have much different geometries.

Al

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kcode
Gearhead

Posts: 2170
From: alvaton,ky,usa Suburb of Bowling Green, M&M #79, MCA #29208
Registered: Jun 99

posted 02-06-2002 01:07 PM     Click Here to See the Profile for kcode   Click Here to Email kcode     Edit/Delete Message   Reply w/Quote
I would suggest calling Mustangs Plus and talking with them on suggestions.

Mike

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SundanceKid
Gearhead

Posts: 732
From: UT
Registered: Feb 2001

posted 02-06-2002 01:22 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
Ok, I'll give Ron a call.

amartin725, Are the MII's spindle heights differant from the Mustangs? I have the Granada spindles and they are approx 3/16 taller then the original spindles. Global west and TCP offer shorter upper arms. And with the Shelby modification that lowers the upper A-arm this all contributes to more camber gain.
But the one disadvantage of the Sheldy mod is it makes your static camber positive, unless you can adjust for it. With the shorter upper arms you can easily correct this. So why longer lower arms? Well two reasons it will reduce the scrub radious (make the car easier to turn and more stable) and two the camber gain would be much better!
I have a suspension model that I made so you can visualy see what the suspension does through out it's travel. I gave Steve a copy and I am going to revise it and maybe post it in the tech articles for everyone to have and use.

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69maverick
Gearhead

Posts: 742
From: Thomaston,CT.
Registered: Jan 2001

posted 02-07-2002 09:19 AM     Click Here to See the Profile for 69maverick   Click Here to Email 69maverick     Edit/Delete Message   Reply w/Quote
There are lower arms that are different lenths I have a new one for something but its shorter than a Mav.-arm which is the same as a 67-68 Stang-arm. I would think if anything was going to be longer it would be a 70 torino or cougar? The problem is the part numbers don't give sizes!

------------------
Jim B. 70 Maverick Grabber clone 302,c4 auto
Weld drag lites,Holley 600,performer intake,comp cam,MSD ignition,2.5 " pipes Still needs paint!!

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SundanceKid
Gearhead

Posts: 732
From: UT
Registered: Feb 2001

posted 02-07-2002 12:45 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
amartin, when you were looking at the Mustang II and Mustang suspentions did you happen to take measurments? I would like to see your measurements and compair them to mine if possible.
69Mav, Are the 67-69 arms the same length as a 64-66 arm? I wonder what the shorter arm is off of? Falcon maybe?
I know very little about Ford suspensions so I realy don't even know what cars to look under. I know that 64-73 Mustangs had the same type suspension 77-80 Granadas Monarcs and Versailes, All Mavricks, Comets, and Falcons. Are there any I'm missing here? I think the GMV's are my best bet because they had a slightly wider track.
Thanks for your help.

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SteveLaRiviere
Administrator

Posts: 24286
From: Saco, Maine Toys: '70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150
Registered: May 99

posted 02-07-2002 01:04 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Don't forget the '68-'71 Fairlane/Torino/Montego and the '67-'73 Cougar.

------------------

'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC

MCA Member # 47773

Speak softly, but carry a BFH!

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SundanceKid
Gearhead

Posts: 732
From: UT
Registered: Feb 2001

posted 02-07-2002 01:29 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
I found a site while looking for something else from heidts, that shows exactly what I am talking about with the Shelby modification and how it effect the geometry. Give it a look:

http://www.heidts.com/heisinfo.htm

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SundanceKid
Gearhead

Posts: 732
From: UT
Registered: Feb 2001

posted 02-07-2002 01:33 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
The Heidts site talks about the Mustang II suspention, but it pertains to the Mustang suspention the same. With the exception of widening the frame rails and causing bumpsteer, that doesn't apply to us.

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69maverick
Gearhead

Posts: 742
From: Thomaston,CT.
Registered: Jan 2001

posted 02-08-2002 09:31 AM     Click Here to See the Profile for 69maverick   Click Here to Email 69maverick     Edit/Delete Message   Reply w/Quote
Kid: Don't hold me to this but I think the 66 is the same lenth but I think the later model parts were heavier duty? I know that my 69 mav. used falcon arms but the later model ones fit fine!and they were heavy duty compaired to my old ones!! I will get a ruler out this weekend!

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SundanceKid
Gearhead

Posts: 732
From: UT
Registered: Feb 2001

posted 02-08-2002 06:19 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
69Mav, that would be great...if you have time. I'm not too concerned about the heavy dutyness of the arms just yet, I'm still working on the lengths. To be more specific I'm looking for a lower arm that is between 1/4 and 1/2 inch longerthen the stock 65 arms. Make sure you measure at the pivot points (center of balljoint and bushings)not edge to edge.
I may have to splice two differant arms? I will box them in at the same time.

One dis-advantage to all these advantages I am talking about, is rim backspacing. You would have to switch to newer style rims with more backspacing. For me this will work out for the better.

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