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Author
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Topic: Cutting springs
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65driver
Gearhead Posts: 184
From: Syracuse, NY
Registered: Feb 2000
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posted 05-19-2004 09:04 PM
   
I am going to swap out my 620 springs for a set of 480 springs. I don't want to lose the drop I have with the 620s. Any idea how much to cut off a spring for a 1 inch drop, or is it just trail and error?Thanks,
Chris
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V8 Thumper
Gearhead Posts: 4377
From: Arizona
Registered: Dec 2001
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posted 05-19-2004 10:38 PM
I cut less than 1/3 coil, and it dropped the nose just right IMO. Click on my sig below to see some pics  ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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wildfire466
unregistered
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posted 05-19-2004 10:41 PM
Agree with V8 ThumperLes ------------------
http://www.geocities.com/wildfire1mustang/
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V8 Thumper
Gearhead Posts: 4377
From: Arizona
Registered: Dec 2001
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posted 05-19-2004 11:12 PM
I should add, I had compressed the coils almost to bind (Moog #8088, stock springs) and let them sit for a few weeks, as new springs will settle some. I made two compressors out of some serious channel iron, some 1" allthread, some old wheel bearings and races. Cranked them down and held my breath  DO BE CAREFUL... there's alot of energy stored in those things. Anyway, I tried them at stock height after compressing them, and I wanted a bit more an aggressive stance so I trimmed them. The front of my car is fairly light, lots of aluminum. I'd not recommend cutting them right out of the box... install them and give them some time before you cut. You can always trim off a bit more, you just can't put it back  Also, DO NOT use a cutting torch. The heat will alter the dynamics of the spring. I used a high speed cut-off wheel, or a hacksaw if you've eaten your Wheaties  ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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