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08-30-2018, 12:05 AM
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#1 |
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Registered User
Join Date: May 2014
Location: Mission BC
Posts: 452
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1972 K10 Steering flexing rivets in cross member?
Hey all, my 72 K10 is flexing the crossmember rivets. I am planning on installing a steering brace but how can I tighten up the rivets?
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1962 C10 Longbox LS 5.3 4L60E----Sold$$ 2014 Ram 4x4 3500 Laramie Diesel..Momma's truck 2015 Ram 4x4 1500 1997 Boxster. 1972 K10 Custom Deluxe LS 6.0 1950 GMC 3100 S10 & LS swapped |
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08-30-2018, 09:33 AM
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#2 |
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Registered User
Join Date: Jan 2011
Location: Delaware and Long Island, New York
Posts: 3,456
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Re: 1972 K10 Steering flexing rivets in cross member?
I don't think there's a way to tighten up the rivet. Replace it with a new grade 8 bolt, make sure it has the correct shoulder and not all threads
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08-30-2018, 08:36 PM
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#3 |
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Registered User
Join Date: May 2014
Location: Mission BC
Posts: 452
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Re: 1972 K10 Steering flexing rivets in cross member?
Here’s a picture of the rivet I removed. You can see the wear marks from 46 years or turns! Hole in frame and crossmember we’re still round and a 7/16 grade 8 fit tight. Thanks for the help.
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1962 C10 Longbox LS 5.3 4L60E----Sold$$ 2014 Ram 4x4 3500 Laramie Diesel..Momma's truck 2015 Ram 4x4 1500 1997 Boxster. 1972 K10 Custom Deluxe LS 6.0 1950 GMC 3100 S10 & LS swapped |
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08-30-2018, 09:02 PM
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#4 |
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Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: 1972 K10 Steering flexing rivets in cross member?
nice to see you did 7/16 bolt .
lots of guys say its o.k. with 3/8" but thats a tad loose . the 7/16 just needs a kiss with the drill bit and fits tight . also good idea to grab a bolt in brace to help with the loose box bolts or cracked frame or loose riviot problem . and it firms up the steering feel a bit . http://www.offroaddesign.com/catalog/steeringkit.htm
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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09-07-2018, 09:52 PM
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#5 |
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Registered User
Join Date: Dec 2009
Location: bisbee, arizona
Posts: 1,529
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Re: 1972 K10 Steering flexing rivets in cross member?
its important that the replacement hardware fit tight
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09-25-2018, 02:26 PM
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#6 |
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Registered User
Join Date: Apr 2000
Location: Chester County PA, USA
Posts: 1,228
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Re: 1972 K10 Steering flexing rivets in cross member?
My method is a 11mm drill bit (.433), and a 7/16-20 grade 8 bolt, and red loctite. You can torque a fine thread tighter than a coarse thread.
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72 k/10 short wideside 72 k/5 Blazer 72 K/5 Blazer - obstacle course racer 72 custom/10 8' bed 70 K/5 Blazer 67 C-30 GMC Flat bed 86 GMC K2500 Plow Truck 85 GMC K3500 84 M1008 85 M1008 77 G30 Motor Home 72 Sears 12hp Tractor Glenmoore, Pennsylvania |
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