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#1 |
Registered User
Join Date: Dec 2012
Location: Santee,CA
Posts: 182
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Cutting springs
I purchased 1" front lowering springs from ECE and now want to drop another inch. Can I just cut them or would it be better to purchase new ones? Thanks
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#2 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: Cutting springs
Cut 1/2 coil for a 1" drop.
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#3 |
Registered User
Join Date: Mar 2013
Location: Puyallup WA
Posts: 122
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Re: Cutting springs
My research on here tells me yes you can cut front but best to go 1/2 coil at a time because once you go to far you cant go back. The rear cant be cut if you were wondering.
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#4 |
Registered User
Join Date: Dec 2012
Location: Santee,CA
Posts: 182
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Re: Cutting springs
If I cut half a coil will it still sit in the pocket correctly?
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#5 |
Registered User
Join Date: Mar 2013
Location: Puyallup WA
Posts: 122
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Re: Cutting springs
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#6 |
Registered User
Join Date: Dec 2012
Location: Santee,CA
Posts: 182
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Re: Cutting springs
Ok perfect. Thanks for the quick response.
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#7 |
Registered User
![]() Join Date: Mar 2012
Location: Okanagan Valley, BC, Canada
Posts: 1,237
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Re: Cutting springs
Its actually the bottom that needs to sit correctly into the lower control arm. The top doesnt matter. If you get the spring out of place on the bottom, it can make up to an inch difference in height and make the truck sit crooked.
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#teamlongbed "I refuse to go disc brakes. I actually love drum brakes. It makes for an adventure." - 50bomb 1978 Chevy shop truck - static 6/8" 1970 GMC 1500 - Accuair eLevel Resto-mod http://67-72chevytrucks.com/vboard/s...d.php?t=537497 |
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#8 | |
Registered User
Join Date: Mar 2013
Location: Puyallup WA
Posts: 122
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Re: Cutting springs
Quote:
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#9 |
Registered User
![]() Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,208
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Re: Cutting springs
I can't express enough, go a little at a time. I cut one full coil off a CPP spring expecting about 2" drop and it was more like 2.5+"
I think the spring not only loses overall length but also if you think about that loss of spring tension will also cause it to drop. It's a little deceiving. Ex: Cut one full coil off, and stand on it (the part you cut off) Can you compress that 'one round' of the original coil? You not only lost the length of the spring, but the weight it once held up.. .. just kinda how it was explained to me. My .02 Chad
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Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
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#10 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Cutting springs
if u cut too much they are quite dificult to glue back together
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#11 |
Registered User
Join Date: Nov 2009
Location: WEATHEROFRD, TX
Posts: 164
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Re: Cutting springs
3M is making a great epoxy that you might try
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72 Chevy LB, LS in the works, 4L80, Grandfather bought it brand new. 66 GMC Short Step, 84 Front Suspension, many more mods to come 67 Chevy 3/4 Ton, 327, Auto, Factory A/C Ya must have been movin cause I was haulin a*$ when I passed you |
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#12 | |
the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: Cutting springs
Quote:
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67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
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#13 |
Registered User
![]() Join Date: Mar 2012
Location: Okanagan Valley, BC, Canada
Posts: 1,237
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Re: Cutting springs
This is correct. A spring is the same as a lever, except in the form of a coil. The shorter you cut it, the rougher the vehicle will ride because you increase the spring rate. On the old dirtbikes, we used to stiffen the front forks by cutting an inch off the coil springs inside the fork tubes and installing a 1" spacer. That way you have the same ride height, but a stiffer spring. You can google it if you want. Its physics and engineering.
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#teamlongbed "I refuse to go disc brakes. I actually love drum brakes. It makes for an adventure." - 50bomb 1978 Chevy shop truck - static 6/8" 1970 GMC 1500 - Accuair eLevel Resto-mod http://67-72chevytrucks.com/vboard/s...d.php?t=537497 |
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#14 |
Registered User
![]() Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,208
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Re: Cutting springs
Cut 2 in off the length, why would it drop more than 2" ? Not arguing.. just asking. If it got stiffer would it only drop say.. 1.5" ?
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Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
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#15 |
Registered User
![]() Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,208
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Re: Cutting springs
I stand corrected. So why does cutting 2" of spring length off, drop the truck more than 2" ?? Just curious.
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Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
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