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#1701 |
Registered User
Join Date: Sep 2007
Location: Wichita Falls, Texas
Posts: 459
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Re: Make it handle
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#1702 |
Registered User
Join Date: Mar 2014
Location: Mechanicsville, Virginia
Posts: 65
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Re: Make it handle
Hey robnolimit i have a 69 c10 with drums and heated coils (currently). I bought a 85 frame with drop spindles and drop coils. I tried reading this thread for the past couple weeks, i see people talking about cutting the cross member to go lower could i get some pictures and some intructions. Have learned alot from this thread cant wait to get the truck to spec.
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#1703 |
Registered User
Join Date: Sep 2007
Location: Wichita Falls, Texas
Posts: 459
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Re: Make it handle
Search sectioned crossmember on here or google. Captkaos has a write up too
http://67-72chevytrucks.com/vboard/s...d.php?t=464574 |
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#1704 |
Registered User
Join Date: Sep 2013
Location: Evansville, IN
Posts: 1,774
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Re: Make it handle
Wow! Spent the last few days reading this entire thread. My head now hurts and probably need to re-read to help retain all the incredible information. Definitely learned a lot and great insight in moving forward with my truck.
I'm currently building an all-around driver that I would like good handling and nice ride (don't we all). I decided on air and currently have PB's Stage I front and Stage II basic rear with D2600 bags, KYB shocks and PB's adjustable trac-bar. After reading this thread I will probably be upgrading shocks later on. I have great plans to expand on the suspension but first want to install what I have, drive it, and go from there. I saw a few posts about bags and I believe only one on management and that was about 3 years ago. I'm torn on going with a leveling system and saw a post where that is not the best for performance. Is that still the case? What are you guys running for air management to get the performance you need? I'm real close to pulling the trigger on Accuair's e-Level for the simplicity of operation and customer satisfaction. I do not want to spend the money and find it performs poorly if I decide to run some kind of track event.
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Ryan 1967 Red Stepside..."Laymond" http://67-72chevytrucks.com/vboard/s...40#post6441840 1972 Medium Olive SWB-Chester http://67-72chevytrucks.com/vboard/s...d.php?t=759628 1967/71 Blue SWB C10..SOLD 1977 SWB K10..my grandpa's.....never should have sold |
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#1705 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,967
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Re: Make it handle
Quote:
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#1706 |
Registered User
Join Date: Jul 2004
Location: Braggs, okla
Posts: 161
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Re: Make it handle
ok, I know this thread has been going on for awhile, I was wondering how many of the c-10 JT mods and stuff would work on a 1979 truck
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78 dualy crew cab wife calls "the beast" 79 silverado "yeller" 99 tahoe 02 Gmc sierra |
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#1707 |
Registered User
Join Date: Sep 2007
Location: Wichita Falls, Texas
Posts: 459
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Re: Make it handle
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#1708 | |
I'm just glad to be here!
Join Date: Jan 2008
Location: Longview, TX
Posts: 4,788
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Re: Make it handle
Quote:
I did everything to my son's '82 that was done to JT. I replaced the lower controls arms with PBFab's Lower Forward arms and that fixed the bushing interference. Rob did the same to JT later in its development. If those are out of you budget, get a set of lower arms from a 64-72 C10. They have a smaller metal bushing that does not hit the rack conversion.
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Karl ![]() 1965 Chevy Stepside(Grandpa's Old Blue) and (July 2015 Shop Build!)(2020, the Saga Continues) http://67-72chevytrucks.com/vboard/s...d.php?t=372424 The LST Challenge: http://67-72chevytrucks.com/vboard/s...=1#post7812257 Korbin's 1st Square: "Sunburn" http://67-72chevytrucks.com/vboard/s...d.php?t=418618 1985 GMC Sierra: "White Trash", Korbin's 2nd now... http://67-72chevytrucks.com/vboard/s...d.php?t=632305 Henry - 1984 Chevrolet, Owen's 1st Square |
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#1709 | |
Registered User
Join Date: Jun 2014
Location: Chandler, AZ
Posts: 10
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Re: Make it handle
Quote:
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#1710 | |
Project underway - finally.
Join Date: Feb 2007
Location: Greenville, SC
Posts: 493
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Re: Make it handle
Quote:
I, too, am wondering about this, but I have not seen any affordable tall lower ball joints, despite a cheap (~$50) upper available from QA1 through Speedway (http://www.speedwaymotors.com/QA1-12...tud,84119.html). If a 1" taller lower was available for the same price, it seems like it would solve a lot of problems.
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1972 GMC Pre-resto... awaiting allocated funding. |
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#1711 |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
Oops sorry. We're in the middle of a move and I haven't been too focused on the thread lately. Yes, this is a great idea. A 1/2" taller lower will fix most of the bump steer, and increase the camber gain. It will drop the truck another 1/2".
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#1712 | |
Project underway - finally.
Join Date: Feb 2007
Location: Greenville, SC
Posts: 493
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Re: Make it handle
Quote:
Where can I find one? Also, that will positively or negatively affect the bump steer? How about if I cut 1/2 coil on stock spindles in addition to the taller lower ball joint?
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1972 GMC Pre-resto... awaiting allocated funding. |
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#1713 |
Senior Member
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Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
Taller spindles are avail from Howe Racing, Afco, and other Circle Track suppliers. A taller lower ball joint will help to reduce the amount of bump-steer found in the factory geometry. Cutting 1/2 a coil will drop the truck 1" to 1 1/2".
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#1714 | |
Project underway - finally.
Join Date: Feb 2007
Location: Greenville, SC
Posts: 493
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Re: Make it handle
Quote:
You say "taller spindles are avail..." but I suspect you mean taller balljoints, correct? So if I cut the coil 1/2, install a 1/2" longer lower balljoint, I will improve my bumpsteer, improve my camber curve and lower the center of gravity in the front by two inches. Would it be helpful to also move the inner pivot point of the upper control arm down 1" or is that overkill? I would also look at sliding the lower control arm forward to improve caster a small amount, but with manual steering, I would not want to add too much. Once this is figured out I will set you to work on what I've already done to the rear suspension (leaf springs).
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1972 GMC Pre-resto... awaiting allocated funding. |
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#1715 |
Registered User
Join Date: Oct 2011
Location: Rosamond, CA
Posts: 94
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Re: Make it handle
I think he was referring to taller spindles. if the additional height was added below the tie rod connection point; it would accomplish the same thing as a taller lower ball joint, which as far as I know does not exist.
On another note I have a question about trailing arms. is there an advantage to the stock style setup where the trailing arms are sort of triangulated? or would parallel trailing arms perform the same? Also for a street driven truck would heim-joints be OK on trailing arms or should I stick to a bushing style.
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1967 c10 build finally in progress! ![]() http://67-72chevytrucks.com/vboard/s...d.php?t=575626 |
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#1716 |
Registered User
Join Date: Jan 2008
Location: Cumming, Georgia
Posts: 417
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Re: Make it handle
Love this thread .I sold 68 ls1 truck so I built a new truck to handle. I ordered ridetech complete front kit with adjustable coilovers. Rob I saw a chart on your website listing wheel back spacing for different vehicles. I really would like to run 18x9.5 on the front and rear. Your chart says 67-72 can run a 18x9.5 with 4" bs. I'm ready to order wheels but wish I could find another c10 that has done it. I also am running cpp modular spindles.
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#1717 |
Registered User
Join Date: Jan 2008
Location: Cumming, Georgia
Posts: 417
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Re: Make it handle
Oops I'm messed up. You have 5.5 bs for the front with a 18x9.5
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#1718 |
Registered User
Join Date: Aug 2007
Location: Tiffin Oh
Posts: 299
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Re: Make it handle
Yes a 5.5 will work. What front brakes do you have?
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#1719 |
Registered User
Join Date: Jan 2008
Location: Cumming, Georgia
Posts: 417
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Re: Make it handle
I'm gonna have wildwood d52 calipers.
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#1720 |
Registered User
Join Date: Aug 2007
Location: Tiffin Oh
Posts: 299
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Re: Make it handle
You should be fine.
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#1721 |
Project underway - finally.
Join Date: Feb 2007
Location: Greenville, SC
Posts: 493
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Re: Make it handle
OK, did we ever get a definitive answer on the taller spindles or balljoints? Was I mistaken to think that there were tall BJs available?
Also, what is the best way to handle the control arm bushings?
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1972 GMC Pre-resto... awaiting allocated funding. |
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#1722 |
Senior Member
![]() Join Date: Jul 2010
Location: Dandridge, Tn. USA
Posts: 2,226
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Re: Make it handle
There are taller ball joints both upper and lower. These are available from Howe Racing, Afco, and others.
There no tall spindles avail for a C10. BTW, tall ball joints are a tuning tool, to be used by racers, who inspect and replace them on a regular basis. OR, they are a Band-Aid for a poor suspension design. Tall uppers are OK for general street use, but I would stay away from the lowers.
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#1723 |
Project underway - finally.
Join Date: Feb 2007
Location: Greenville, SC
Posts: 493
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Re: Make it handle
Wait, none of the myriad of lowering spindles out there are any taller than stock?
I am also curious about why you hesitate to use taller lower balljoints on the street. The quality of those companies far surpasses OE replacement stuff.
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1972 GMC Pre-resto... awaiting allocated funding. |
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#1724 | |
Registered User
Join Date: May 2011
Location: Anderson SC
Posts: 3,885
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Re: Make it handle
Ok, I finally got some .500" taller upper ball joints from QA1 and have one side of my suspension assembled. I have Porterbuilt 1" forward and 1" narrowed arms which I'm thinking would improve the camber curve from being 1" narrowed; the angle of the arms changes more with the same amount of travel compared to stock length.
I set up the frame at ride height (4") and set the spindle close to it's height (13.25" for 26.5" tires). Not 100% sure on final tire sizes yet but that should be close. I measured 1" of travel with a dial indicator and checked camber with an angle app on my iPhone. I measured a few times and averaged the results to come up with 1.61* camber gain over 1" of travel. Rob doesn't say how much taller the ball joints are in this post (# 812) but here are the numbers he posted. Quote:
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#1725 |
Registered User
Join Date: Nov 2014
Location: Langley B.C
Posts: 179
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Re: Make it handle
I've tried to read threw the whole thread but haven't made it all the way yet. Have a question that I hope hasn't been brought up. Independent rear suspention? Anyone testing/tuning?
I'm building a 51 3100 on an s10 frame and have a 88 toyota supra IRS witch is a sub frame dual wishbone design. Has limited slip and matches the stock truck width. Going coilover all around. Haven't seen or heard of anyone doing my setup so I'm just wondering what you guys think? As I can clearly read you know your stuff Thanks |
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