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#1 |
Senior Member
![]() Join Date: Jul 2015
Location: Warrenton VA
Posts: 1,053
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Body mounting hardware
So I'm hoping to get around to mounting my cab and core support to my chassis in the coming weeks. I'm digging through my parts stash of new and used stuff. I'm planning to install these bushings, https://static.atechmotorsports.com/.../ens-17016.pdf I can source new bolts locally and have the specs on them, but I can't seem to locate the factory washers it speaks of in the directions. Are they just a thick washer or do I need the specific factory style ones and are they available anywhere?
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71 c-10 Long Bed, under the knife for a No Limit Engineering Wide Ride Chassis Pack and coil over static drop. 07 Silverado Classic 2wd 95 Camaro 427SBC/TH350 |
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#2 | |
The Older Generation
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Location: Montezuma, Iowa
Posts: 25,515
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Re: Body mounting hardware
Quote:
The body mount washers are close to the same diameter as the bushings they fit against and are approx. 1/8" thick. The core support washers are thinner but still thicker than most hardware store washers. Try ACE Hardware, Fastenall, (if you have one in your area), or as last resort a farm store. (check in the farm equipment area of the store for the bigger washers) .
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#3 |
Senior Member
![]() Join Date: Feb 2022
Location: Ca
Posts: 511
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Re: Body mounting hardware
Are you sure you want urethane bushings?
Different is not always better. |
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#4 |
Senior Member
![]() Join Date: Nov 2018
Location: Waterford California
Posts: 2,533
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Re: Body mounting hardware
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#5 | ||
Senior Member
![]() Join Date: Jul 2015
Location: Warrenton VA
Posts: 1,053
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Re: Body mounting hardware
Quote:
Quote:
__________________
71 c-10 Long Bed, under the knife for a No Limit Engineering Wide Ride Chassis Pack and coil over static drop. 07 Silverado Classic 2wd 95 Camaro 427SBC/TH350 |
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#6 |
Active Member
![]() Join Date: Apr 2021
Location: Santa Cruz, NM
Posts: 101
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Re: Body mounting hardware
Front cab or radiator support location? It's a square washer with a square hole because the radiator support body mount uses a carriage bolt. It restrains it from turning while the nut is tightened. You could access a hex head bolt with some long extensions, then you wouldn't need a square washer with a square hole. I don't recall there being a square hole washer at either cab mount location.
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#7 |
Senior Member
![]() Join Date: Jul 2015
Location: Warrenton VA
Posts: 1,053
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Re: Body mounting hardware
The instructions indicate front cab, but makes a lot of sense for the radiator support though.
__________________
71 c-10 Long Bed, under the knife for a No Limit Engineering Wide Ride Chassis Pack and coil over static drop. 07 Silverado Classic 2wd 95 Camaro 427SBC/TH350 |
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#8 |
Senior Member
![]() Join Date: Mar 2015
Location: washington
Posts: 2,251
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Re: Body mounting hardware
"corner carving type truck"
How does body mount bushing help cornering? |
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#9 |
Senior Member
![]() Join Date: Feb 2022
Location: Ca
Posts: 511
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Re: Body mounting hardware
Keep the rubber just in case you get tired of the tighter connection to small road vibration. Just be true to yourself as to the amount of benefit and how much you actually use this benefit to the compromise in daily ride, if you intend to continue to drive on street. I get it. You want the best performance possible. Problem is you end up giving up the street use at some point.
True story. Bought a rather rare BMW in 2003 and HPDE tracking shortly after acquiring. By 2006, I replace with similar model in every way except, the rare for the model, (S54 Mcoupe) S54 motor. I stripped and caged the new one. Aluminum bushings and heim joint suspension points with +3 inch track. Finally a Jerico dog box and LS. It just never ends and of course this car will never see a street again. Goood luck with the mods. |
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#10 |
Senior Member
![]() Join Date: Jul 2015
Location: Warrenton VA
Posts: 1,053
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Re: Body mounting hardware
I'm not concerned with NVH and gentle ride characteristics that most seem to be after when recommending rubber over polly.
__________________
71 c-10 Long Bed, under the knife for a No Limit Engineering Wide Ride Chassis Pack and coil over static drop. 07 Silverado Classic 2wd 95 Camaro 427SBC/TH350 |
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#11 | |
Senior Member
![]() Join Date: Jul 2015
Location: Warrenton VA
Posts: 1,053
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Re: Body mounting hardware
Quote:
__________________
71 c-10 Long Bed, under the knife for a No Limit Engineering Wide Ride Chassis Pack and coil over static drop. 07 Silverado Classic 2wd 95 Camaro 427SBC/TH350 |
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#12 |
Senior Member
![]() Join Date: Feb 2022
Location: Ca
Posts: 511
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Re: Body mounting hardware
At least the truck frame won't twist like the Camero's. LOL
You'll feel the weight difference though. Condolences to your bank account. |
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#13 |
Senior Member
![]() Join Date: Mar 2015
Location: washington
Posts: 2,251
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Re: Body mounting hardware
Here are some pictures. Original versa some replacements I have.
Also, note the instructions do not have any information on the manufacturer or place of manufacture. I tightened one set, possibly a different manufacturer than this one, and the rubber immediately split. Another thing overseas never seems to get correct, is the durometer of the rubber. |
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#14 |
Post Whore
![]() Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,156
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Re: Body mounting hardware
Here is a list of bolts for a Suburban. As far as I know the two front mounts (The ones in front of the seat. They are the ones to the right in the photo)are the same for a pickup and a Burban.
Here is the hardware list from the WMB. Your results may vary. Front mount: Times two Bolt is 9/16"-12 x 6" with 2" of threaded area. I included the tapered area in the 2" measurement. Under the head of the bolt in the cab was a flat washer 19/32" ID 1" OD 1/8" thick. Under the body on top of the upper bushing was a flat washer 3 3/8" OD 5/8" ID 1/4" thick On the bottom of the lower bushing next to the nut a flat washer 2 3/4" OD 5/8" ID 3/16" thick 2nd mount: Times two Bolt is 3/8"-16 x 4" carriage head with 1 1/8" of threads. Under the body on top of the upper bushing a flat washer 2 3/8" OD 1/2" ID 3/16" thick. On the bottom of the lower bushing next to the nut a flat washer 1 7/8" OD 1/2" ID 1/8" thick. This size is used on all the rest of the body mounts I will call it the Bottom flat. (8 total) 3rd mount: Times two Bolt is 3/8"-16 x 2 1/2" hex head with 1 1/8" of threads. With the Bottom flat. 4th mount: Times two Bolt is 3/8"-16 x 5 1/4" carriage head with what I believe to be 1 1/8" of threads. The bolts are so wasted I can't be 100% sure. With the Bottom flat. 5th mount: Times two Bolt is 3/8"-16 x 6" carriage head again not certain but believe 1 1/8" of threads. With the Bottom flat. I used Nyloc nuts for all the mounts. Just to make the list complete here is the core support bolts. Times two. 7/16-14 x 2 1/2" carriage head with 1 3/4" of threads. I didn't measure any of the rest of the core support hardware as it is easy and cheap to get. I had difficulty getting the two big bolts from local sources due to the thread length required. See post 18 in the link for the whole story. http://67-72chevytrucks.com/vboard/s...d.php?t=698377 I hope this helps.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. ![]() RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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#15 | |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,515
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Re: Body mounting hardware
Quote:
No.
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#16 |
Registered User
Join Date: Sep 2020
Location: Cleveland, Ohio
Posts: 532
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Re: Body mounting hardware
If you look at my post called "Freebies", I just gave away a set of polyurethane bushings. Yes, my truck is lowered, has coilovers, sway bars, 20" wheels, aftermarket front suspension and rear suspension. Those bushings do nothing but make your teeth fall out. Every bump you hit is like you hit a pothole 2' deep. Everything inside rattled and vibrated beyond belief no matter how well you pit it together. Hitting larger bumps made you jump in the seat, which in turn made your hands on the wheel jump, which made you twitch the steering wheel. Not fun when you are "carving a corner".
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#17 |
Senior Member
![]() Join Date: Jul 2015
Location: Warrenton VA
Posts: 1,053
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Re: Body mounting hardware
Thanks everyone for the pictures, hardware specs, and answering my original question.
__________________
71 c-10 Long Bed, under the knife for a No Limit Engineering Wide Ride Chassis Pack and coil over static drop. 07 Silverado Classic 2wd 95 Camaro 427SBC/TH350 |
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