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  '64 1/2 to '73 -- The Classic Mustang
  rear springs for a convertible

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Author Topic:   rear springs for a convertible
Ralph Rebandt
Gearhead

Posts: 517
From: Farmington Hills, MI
Registered: Feb 2000

posted 08-09-2001 01:44 PM     Click Here to See the Profile for Ralph Rebandt   Click Here to Email Ralph Rebandt     Edit/Delete Message   Reply w/Quote
I have a 68 convertible. I am changing the 4 to 5 lug and putting in a 289. I guess this means that my stang will be a 289 GT convertible. My question is Should I put the standard convertible springs which have about a 1 1/2 higher lift and less weight support or should I put the beefer GT rear springs? I do not plan on cornering at 115 mph. I would prefer the higher rear end.

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SteveLaRiviere
Administrator

Posts: 42859
From: Saco, Maine
Registered: May 99

posted 08-10-2001 01:22 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
I would prefer the GT springs. Are the shock mounting plates the same?


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'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
Ford. The closer you look, the better WE look!

[This message has been edited by SteveLaRiviere (edited 08-10-2001).]

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Ralph Rebandt
Gearhead

Posts: 517
From: Farmington Hills, MI
Registered: Feb 2000

posted 08-10-2001 05:32 PM     Click Here to See the Profile for Ralph Rebandt   Click Here to Email Ralph Rebandt     Edit/Delete Message   Reply w/Quote
Steve, I am told they are. Would you get the GT springs bent 1/ 1/2" so that they match the convertible levelness?

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SteveLaRiviere
Administrator

Posts: 42859
From: Saco, Maine
Registered: May 99

posted 08-10-2001 05:42 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
No, I would leave them as they come.

------------------
'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
Ford. The closer you look, the better WE look!

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mellowyellow
Gearhead

Posts: 6677
From: So. Fl.
Registered: Aug 2000

posted 08-10-2001 06:31 PM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
You'r sort of unclear to me. You mention that you prefer the higher rear, and then you mention levelness. I would finish the changeover and leave the rear alone until You see how it looks. WIth rear sway bar and KYB gas shocks , they may be ok. Mustangs Unlimited sells a variable rate front spring. The name is Eibach. They drop the front 1" and tighten up when cornering. Normal driving produces a regular ride. There is no difference between the 6 and v-8 regular rear spring. For the GT, there is a different one and also a GT comp handling one. These rear springs are listed in the NPD catalog. TO level my 65 cv which sits low, I used mid=eye rear springs which have an extra leaf. These lower the car about an inch. With rear sway, gas shocks, I have good handling. You don't mention the fronts. Bob Aliberto of MMonthly answered this question by saying they don't need changing on the 67/68 6 to 8 conversion. I did two changeovers on cvs. and opted to put in used V-8 front springs, leaving the rears alone.I have not had good luck with new front springs. The cars always seemed to be pointing skyward! I have a 68 cv which has new fronts which I DIDN'T put in! They're coming out, waiting for the set of used ones I got from a parted 67 which sat right.

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