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03-29-2015, 09:23 PM | #1 |
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Join Date: Nov 2014
Location: Columbiana Ohio
Posts: 1,210
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stock trail arm cross member with 5" drop?
As Im getting close to having a rolling chassis Im worried about the stock cross member with the big static drop I went with. I want to know from you guys with a 5 inch drop in back. Will I have an issue with squat from the stock trail arm location, and will my drive shaft have clearance issues?
If I have to change it out, now is the time while I have the rear end out still. I guess I already know I should get a drop member, but Im trying to be cheap here....
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"Hey... its only time and money right? Just do it." 67 Short Bed under major construction http://67-72chevytrucks.com/vboard/s...=651356&page=8 |
03-29-2015, 09:54 PM | #2 |
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Join Date: Nov 2014
Location: Columbiana Ohio
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Re: stock trail arm cross member with 5" drop?
I guess I havnt done my reading on the subject... The crossmember for a drop is more important than I though when it comes to pinion angles.
After putting so much money in the rearend the smart thing would be to just break down and get one. I hate that because the frame has already been painted and Ill have to try not to mess it up too bad grinding out rivets now....
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"Hey... its only time and money right? Just do it." 67 Short Bed under major construction http://67-72chevytrucks.com/vboard/s...=651356&page=8 |
03-29-2015, 10:15 PM | #3 |
67-72 parts collector,…
Join Date: Nov 2002
Location: Mid-MO
Posts: 22,703
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Re: stock trail arm cross member with 5" drop?
You can always shim the rearend with tapered shims.
You won't know your pinion angle until you have the truck assembled with all the weight on the suspension.
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03-29-2015, 10:21 PM | #4 | |
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Location: Columbiana Ohio
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Re: stock trail arm cross member with 5" drop?
Quote:
I know its going to take some time until the truck settles down with all the new springs, so the shims may be the best option... maybe
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"Hey... its only time and money right? Just do it." 67 Short Bed under major construction http://67-72chevytrucks.com/vboard/s...=651356&page=8 Last edited by Possmguts; 03-29-2015 at 10:27 PM. |
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03-30-2015, 09:43 AM | #5 |
2WD Jimmy
Join Date: Mar 2005
Location: Davis County, Utah
Posts: 2,564
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Re: stock trail arm cross member with 5" drop?
Here you go... https://www.performanceonline.com/19...ar-Suspension/
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03-30-2015, 12:21 PM | #6 |
Senior Member
Join Date: Aug 2003
Location: Conyers,Ga.
Posts: 7,288
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Re: stock trail arm cross member with 5" drop?
I had truck with 4.5/7 drop that I drove daily for 1.5 yrs and never had problem. I used Early Classic parts plus small block in rear. Stock x-member and stock trail arms in stock location.
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03-30-2015, 12:27 PM | #7 |
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Join Date: May 2013
Location: WEST PALM FLORIDA
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Re: stock trail arm cross member with 5" drop?
Hey 3-5 drop here , from cpp , no issues , used my stock panard also , 68 long fleet , only issue I had was crap front shocks that came with the kit they both leaked out within 2 months , I replaced with another brand , and have not had an issue since
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68 Long Fleet , ly6 , turbo 350 , 3-5 drop , original paint , front discs 67 Small window , 7 foot bed , tweaked 6.0 LSX 2004R Medium Olive 58 Apache fleet , 235 , offy intake , dual exhaust , 4 on the floor , red/white 69 Long Fleet , Custom , 6.0, 4l60 , AC , Medium Olive |
03-30-2015, 12:35 PM | #8 |
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Join Date: May 2007
Location: Southern Cal
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Re: stock trail arm cross member with 5" drop?
Stock crossmember here with 5" drop springs and 2" blocks. No issue with the crossmember, but i did need a c notch in the frame for clearance.
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man RIP FleetsidePaul |
03-30-2015, 12:44 PM | #9 |
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Join Date: Mar 2011
Location: Elizabethtown, Kentucky
Posts: 322
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Re: stock trail arm cross member with 5" drop?
I am running 4" shorter springs and 2" blocks for a total of 6" static drop with no issues.
Here is a undercarriage shot. Looks close, but there is plenty of clearance.
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Thanks, Casey 71 Chevy C-10 SWB 350/400 PS, PB The Build http://67-72chevytrucks.com/vboard/s...d.php?t=584045 The Brake Upgrade http://67-72chevytrucks.com/vboard/s...d.php?t=695699 |
03-30-2015, 12:48 PM | #10 |
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Re: stock trail arm cross member with 5" drop?
cfields , I see you have eliminated your carrier bearing , is that a long or short bed , I would think angles would be more critical with a one piece shaft
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68 Long Fleet , ly6 , turbo 350 , 3-5 drop , original paint , front discs 67 Small window , 7 foot bed , tweaked 6.0 LSX 2004R Medium Olive 58 Apache fleet , 235 , offy intake , dual exhaust , 4 on the floor , red/white 69 Long Fleet , Custom , 6.0, 4l60 , AC , Medium Olive |
03-30-2015, 12:58 PM | #11 |
Registered User
Join Date: May 2014
Location: Auburn
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Re: stock trail arm cross member with 5" drop?
Mines a 5" rear static drop and stock trailing arms..no problems
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03-30-2015, 02:01 PM | #12 |
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Join Date: Mar 2011
Location: Elizabethtown, Kentucky
Posts: 322
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Re: stock trail arm cross member with 5" drop?
It's a short bed no issues to date
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Thanks, Casey 71 Chevy C-10 SWB 350/400 PS, PB The Build http://67-72chevytrucks.com/vboard/s...d.php?t=584045 The Brake Upgrade http://67-72chevytrucks.com/vboard/s...d.php?t=695699 |
03-30-2015, 02:42 PM | #13 |
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Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,189
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Re: stock trail arm cross member with 5" drop?
I'm glad this was brought up. I was pretty sure I wouldn't need the dropmember, but I wasn't 100%. I was going to drop it regardless and swap it afterwards if it became a problem but now I see I can move on without issues! Great pic csfields!
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03-30-2015, 06:33 PM | #14 | |
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Join Date: Nov 2014
Location: Columbiana Ohio
Posts: 1,210
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Re: stock trail arm cross member with 5" drop?
Quote:
And thanks for the input everyone. I feel better now and will leave it be and just use these wedges if needed. Ill just do the C notch and use the stock arms and crossmember. Saves me a few bucks for something else now.
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"Hey... its only time and money right? Just do it." 67 Short Bed under major construction http://67-72chevytrucks.com/vboard/s...=651356&page=8 |
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03-30-2015, 06:36 PM | #15 |
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Join Date: Nov 2014
Location: Columbiana Ohio
Posts: 1,210
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Re: stock trail arm cross member with 5" drop?
What did go go with in front? I think I may have to go a little more in back. I went 5.5 in front and only 5 in back. No idea what its going to sit like yet but I want it maybe 2" higher in back than the front
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"Hey... its only time and money right? Just do it." 67 Short Bed under major construction http://67-72chevytrucks.com/vboard/s...=651356&page=8 |
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