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#1 |
Senior Member
Join Date: Mar 2003
Location: St robert Mo
Posts: 2,001
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4 inch drop coils
I am going to use 4 inch coils in the rear would it be a good idea to use shock relocators and an adjustable trac bar?
Also do front and rear sway bars help alot?
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
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#2 |
Senior Member
Join Date: Jan 2005
Location: Loveland Co.
Posts: 3,098
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Re: 4 inch drop coils
Shock relocators, yes. Track bar, not necessary but would be a good idea if the budget allows.
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Chris 74 Custom Deluxe SWB 350/350/3.73’s 99 2wd Silverado RCSB 5.3/4L60/3.90’s http://www.classictrucks.com/feature...short_bed.html |
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#3 |
short sell Ford stock
Join Date: Aug 2005
Location: Houston, Texas
Posts: 104
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Re: 4 inch drop coils
i went with the ECE premium 2/4 drop kit with shock relocators and adjustable track bar and i am very glad i did. Dont get me wrong, it was a pain to unbolt the control arms from the axel and grinding out the rivets to get the old shock mount out but now it was all worth it. The adjustable bar was great aswell and it helped a whole bunch when i lined my rear end up. I say if your gonna do it, do it right the first time.
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#4 |
Senior Member
Join Date: Mar 2003
Location: St robert Mo
Posts: 2,001
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Re: 4 inch drop coils
So to install the shock relocators I have to grind out the old shock mounts? I will have to unbolt my arms anyway be cause it has 4 inch blocks on it now that have to be removed.
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
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#5 |
Senior Member
![]() Join Date: Mar 2000
Location: Rockville,In. USA
Posts: 3,720
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Re: 4 inch drop coils
sway bars front and rear on a truck make a big difference in handling, yes you will need to remove current upper shock mounts on frame to install shock relocator kit, with 4" drop in rear you may or may not need adjustable track arm bar to center rear exactly, only way to know for certain is to install springs with stock bar in place and check to see if rear end is centered exactly, on a 3" spring I've never needed one but with the 4" spring it seems about 50/50 on needing one so I always use the adjustable myself to make sure I'm exactly centered with the 4" rear drop spring.
GMCPaul |
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#6 |
67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
Posts: 7,857
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Re: 4 inch drop coils
I bought 2 sets of 4" rear coils from GMC Pauls and didn't use track bars, shorter shocks or relocators. Ride and stance are fine. My rear shifted 1/4" at the most to the passenger side. There are members who have reported no problems using 5" coils.
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Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads |
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#7 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: 4 inch drop coils
Those 4 inch blocks you have must be hanging way below the scrub line.
Here's a comparison of the upper shock mounts, both original and extended type. You can see evidence of where I had to grind to remove the old riveted on stock ones. Here they are installed:
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I'm on the Instagram- @Gearhead_Kevin Last edited by Tx Firefighter; 04-22-2006 at 04:09 PM. |
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#8 |
Senior Member
Join Date: Mar 2003
Location: St robert Mo
Posts: 2,001
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Re: 4 inch drop coils
I get it tx so just the upper mount has to be removed the lower ones stay same? And the adjustable trac bar bolt in same place as stock?
Yup those blocks are way down. Very solid blocks tho. It is on my list after electric fans
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
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#9 |
Senior Member
Join Date: Jan 2005
Location: Loveland Co.
Posts: 3,098
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Re: 4 inch drop coils
You replace the lower shock mounts also. They're easy since you need to take the blocks out anyways since they are held in by the U-bolts.
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Chris 74 Custom Deluxe SWB 350/350/3.73’s 99 2wd Silverado RCSB 5.3/4L60/3.90’s http://www.classictrucks.com/feature...short_bed.html |
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#10 |
Senior Member
Join Date: Mar 2003
Location: St robert Mo
Posts: 2,001
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Re: 4 inch drop coils
I see, I will also need new u-bolts correct? Will I need just regular stock ones? Are they cheap? There is nothing else I will need other than the new coils and shocks right?
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
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#11 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: 4 inch drop coils
Yes, you will need stock u-bolts to replace your long ones.
ECE is happy to sell them to you, or your local spring shop can make them quick and easy.
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I'm on the Instagram- @Gearhead_Kevin |
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