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Author Topic:   70 XR7 Coil Spring
zgreatwhite
Journeyman

Posts: 1
From: Los Angeles, CA USA
Registered: Jul 2004

posted 07-27-2004 02:54 AM     Click Here to See the Profile for zgreatwhite     Edit/Delete Message   Reply w/Quote
To make a long story short, after 200k miles I am replacing the front end components on my 70 XR7, 351W auto, no air, ps, pb.

Out of the showroom, I thought the car drove fine for me. Today, I would say it is a little soft. I am not certain if it is the age of the springs or a change in my driving style.

In any event, I am seeking opinions on whether to go with the stock spring or perhaps use the variable rate springs now being offered. I certainly want to increase my handling characteristics, and was wondering if the variable is the way to go, or should I just go with a stiffer spring?

Except for mfrs hype, I haven't heard of any installations with the variable rate spring, and would appreciate comments.

Thanks.

zgreatwhite

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zgreatwhite
70 XR7
351W
AUTO PS PB

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kwazykat
Moderator

Posts: 7244
From: ...a wonderful place to be.... orange county... NC!!!! M&M member #92 .... a blue-oval GRRL-deluxe.....
Registered: Jun 99

posted 09-23-2004 12:52 PM     Click Here to See the Profile for kwazykat   Click Here to Email kwazykat     Edit/Delete Message   Reply w/Quote
to the top....

does anyone have some helpful hints?

thanks!
kk

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KULTULZ
Gearhead

Posts: 800
From: Rockville, MD
Registered: Oct 2002

posted 09-23-2004 01:46 PM     Click Here to See the Profile for KULTULZ   Click Here to Email KULTULZ     Edit/Delete Message   Reply w/Quote
I haven't heard of variable rate springs other than rear coils for passenger cars. If using modified springs, they stiffen as compressed.

Any modification that is normally done to the early MUSTANG can be done to the COUGAR as both use the spring over the upper control arm design giving more negative camber on hard cornering. The SHELBY drop and a host of other things can be done, such as modifying the steering box for a quicker ratio, etc.

-GLOBAL WEST- will give you some ideas. Just be sure the aprons are in good condition, sub-frame connectors and an export bar are recommended. There is a specialty spring compressor used (safety) for this type of spring design.

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I am looking for information concerning factory performance/aftermarket speed parts (1958/1960) used on the MEL (Mercury-Edsel-Lincoln) (Also Thunderbird 59/60) Engine Series (383-410-430-462) produced from 1958 thru 1968.

Also older FORD Special Service Tools

-MEL Engine Forum-

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68 S-code GT
Gearhead

Posts: 2746
From: Sayreville, NJ, US
Registered: Mar 2000

posted 10-14-2004 03:38 PM     Click Here to See the Profile for 68 S-code GT   Click Here to Email 68 S-code GT     Edit/Delete Message   Reply w/Quote
You might want to try a larger diameter front sway bar and adding one to the rear. This along with some good shock would keep the car from feeling like a boat. I added a rear sway bar and some KYB shocks and was amazed at what a difference in my fastback Mustang with a 390 in it.

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Ed S.

68 S-code FB GT 4spd(now C6)/3.25 PS PDB
68 J-code(now 289) Cp Sprint"B" C4/3L00-9" PDB PS AC
99 F150 XLT Ext/cab, 4X4, 5.4L, 3L55

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