C3 General General C3 Corvette Discussion not covered in Tech
Sponsored by:
Sponsored by:

77 Resto-Mod

Thread Tools
 
Search this Thread
 
Old Jun 3, 2017 | 09:59 PM
  #81  
wendellp601's Avatar
wendellp601
Safety Car
10 Year Member
Community Builder
Community Influencer
Photoriffic
 
Joined: Apr 2015
Posts: 4,887
Likes: 202
From: Jackson MS
Default

Originally Posted by badapplegolf
I have extra 7/16 x 7/8 bolts from the upper arms that will fit, but I'm totally confused about why these don't fit anymore. I've spent all day on this, and everything I read says these bolts are supposed to be 1 3/4" long.

Any help is greatly appreciated.
If the 1-3/4" long bolts are the ones that came out, they should definitely go back in. My suggestion would be to remove the bolts and measure the depth of the holes to confirm that some foreign material hasn't gotten in there. A thread chase bolt or tap may clear out any obstructions.

In the attached link, the bolts don't appear to be that long.
http://www.zip-corvette.com/68-82-c3...retainers.html

One more thought - is it possible that the ends of your cross shafts got tweaked and are no longer straight?
Reply
Old Jun 4, 2017 | 09:27 AM
  #82  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default

The cross shafts are straight, and true. Both of them accept the bolts exactly the same depth on all four ends. A small rod inserted into the ends show the depth to be the same as the bolts, It just feels like the threads stop. I could understand foreign material in one, or two, but all four? and exactly the same? I had both sets bagged separately to begin with, but they got mixed up yesterday as I was trying to figure this out.

After drinking on it, it occurred to me to just completely reassemble both sets, minus the bushing bolts, and just see what bolts are left over. After a little more coffee I'll get to it, and let you know the results. Funny thing is, there are only 8 shoulder bolts total, and 4 of those are the wrong thread size, only leaving the four 1 3/4" as a possible mate. Pretty sure these bolts should be shoulder bolts. Every pic I see shows them to be.
Reply
Old Jun 4, 2017 | 12:16 PM
  #83  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default

So I've learned quite a few things this morning. First off, you can't trust everything you see on the innerweb. Who knew I wonder???
Next discovery was to learn that the triangle shape plastic tumbler media that is supposed to be good for cleaning nuts and bolts, without damaging the threads, leaves an incredibly hard to remove plastic film inside the threads on both nut and bolt.
I didn't take nearly enough pics.
I also just learned how to use the marker thing on photos. I could have labeled the bolts right on the pics so this would not have even been an issue. Live and learn I guess.

So anyway, the bushing bolts are deffinatly the 7/8" long bolts. The 1 3/4" bolts are the only ones that will bolt the cross shaft to the frame. Simple enough. Still not sure why they are not shoulder bolts, to try and keep the flow correct, I'll post the pics and stuff of the bushing removel, etc. before posting pics of the completed control arms.
Reply
Old Jun 4, 2017 | 12:51 PM
  #84  
maj75's Avatar
maj75
Burning Brakes
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2007
Posts: 968
Likes: 122
From: Lighthouse Point FL
Default

Shouldn't there be a washer and bushing on the inside of the control arm bolt as well as the outside?
Reply
Old Jun 4, 2017 | 06:41 PM
  #85  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default

Originally Posted by maj75
Shouldn't there be a washer and bushing on the inside of the control arm bolt as well as the outside?
I hope not, lol. There was not one on either side when I disassembled it. Doesn't mean it's not supposed to be there tho. Anyone know?
Reply
Old Jun 4, 2017 | 06:48 PM
  #86  
wendellp601's Avatar
wendellp601
Safety Car
10 Year Member
Community Builder
Community Influencer
Photoriffic
 
Joined: Apr 2015
Posts: 4,887
Likes: 202
From: Jackson MS
Default

Originally Posted by badapplegolf
I hope not, lol. There was not one on either side when I disassembled it. Doesn't mean it's not supposed to be there tho. Anyone know?
There is no washer on the inboard side of the bushing.
The metal cup that contains the bushing extends through the control arm and there is nothing for the washer to ride against.
Reply
Old Jun 4, 2017 | 06:53 PM
  #87  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default



After reading countless tips on removing bushings, and watching a ton of utube vids. I decided to try the air chisel method. I started with a sharp chisel, and just slowly worked my way around the bushing flange.



As the bushing came out, I used the shank of the chisel to get the most out of it..



My first plan was to use shims between the control arm and the bushing flange once I had maxed out the thichness of the chisel, But it wasn't needed. At this point, just a little upward pressure, and they popped out.
Reply
Old Jun 4, 2017 | 07:03 PM
  #88  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default



The most popular utube vid shows a quy dimpling, and smashing in the inner part of the bushings before trying to remove them, I didn't need to do this at all. The first one took me about 2 minutes to remove, the other three took about 30 seconds each. I bought the air chisel from Harbor Freight for less than $10.00 Even if the tool never works again, It was money well spent.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

10 Ugly Corvettes That We Still Kinda Love

 Joe Kucinski
story-1

Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

 Brett Foote
story-2

10 Things Every Corvette Owner Needs (2026 Edition)

 Michael S. Palmer
story-3

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-4

10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

 Joe Kucinski
story-5

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-6

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-7

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-8

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-9

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
Old Jun 4, 2017 | 07:07 PM
  #89  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default

My new offset tubular uppers came with bushings installed, so I just reinstalled using the old shims.



Finally have both uppers and lowers installed

Reply
Old Jun 4, 2017 | 07:12 PM
  #90  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default



My newfound skills at work
Reply
Old Jun 4, 2017 | 07:18 PM
  #91  
wendellp601's Avatar
wendellp601
Safety Car
10 Year Member
Community Builder
Community Influencer
Photoriffic
 
Joined: Apr 2015
Posts: 4,887
Likes: 202
From: Jackson MS
Default

You can go ahead and tighten those 1-3/4" long bolts to final torque.
I don't have my Assembly Instruction Manual handy, but I remember those being a pretty high torque value.
The end bolts don't need final torque until the car is sitting at full weight.
I'd put some tape across those bolt heads with a note to torque them once the complete body and drivetrain are installed.
Reply
Old Jun 4, 2017 | 07:27 PM
  #92  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default

My next parts purchase will prolly be the front coil springs, and maybe wheels. Couple questions. I'm finding two different spring rates for the same motor. Any advice here is appreaciated. I'm going with the 1 1/4" front sway bar, and have decided on a 454 with cast iron heads, so it'll weigh alot. Heavy, or light springs? Pros and cons maybe.

Next is the wheels, If I go with 18" wheels, do I still need to worry about them fitting over the brake calipers? Also, how wide can I get away with without rubbing issues?
Thanks all for your support.
Reply
Old Jun 4, 2017 | 07:38 PM
  #93  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default

Originally Posted by wendellp601
You can go ahead and tighten those 1-3/4" long bolts to final torque.
I don't have my Assembly Instruction Manual handy, but I remember those being a pretty high torque value.
The end bolts don't need final torque until the car is sitting at full weight.
I'd put some tape across those bolt heads with a note to torque them once the complete body and drivetrain are installed.
Since those six bolts are basically the only thing holding the front wheels to the car, and they are all grade 8, I didn't even bother looking up torque for them, just squezzed the heck out of them. After I get the car running I plan to go back and re torque all the suspension. Good idea about labeling the untorqued bushing bolts tho, thanks
Reply
Old Jun 4, 2017 | 07:54 PM
  #94  
wendellp601's Avatar
wendellp601
Safety Car
10 Year Member
Community Builder
Community Influencer
Photoriffic
 
Joined: Apr 2015
Posts: 4,887
Likes: 202
From: Jackson MS
Default

My wheels are 18 x 8 on the front and rear.
There is a slight rub on the rear inside of the front tires at full lock.
You could probably go wider with the right offset - stock offset is 4"

Reply
Old Jun 17, 2017 | 08:14 PM
  #95  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default

I decided to go with the 474 lb. springs in the front. I never could find a definitive answer on the differences between the heavy, and light load springs, vs bb, and sb motors. So I just went with my own thoughts, bigger is better. To get ready to install the new springs, I cleaned up the spindles.








I got a little paint in the ball joint sleeves on the spindles.
Reply
Old Jun 17, 2017 | 08:17 PM
  #96  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default



So used a 1/2" copper fitting brush to clean them out before install.



New Moog ball joints



Old vs new springs
Reply
Old Jun 17, 2017 | 08:41 PM
  #97  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default



Completed assembly of the Passenger side.



This pic is of the upper ball joint after install. I'm worried that maybe this is not the correct ball joint. The nut is completely run up and no threads are left, but the spindle arm isn't even touching the boot yet.

These are new offset tubular uppers from VB&P, which came with the ball joints installed.

Anyone had any experience with these? Does the offset a arm make a difference? I'm thinking I'll just buy a new upper ball joint for a stock 77 and compare the two, but I don't wanna screw it up if the new a arms are meant to have slack there, plus there's no weight on them yet, I don't know, it just don't seem right. Once the front end is loaded with a motor, seems like there will be about a half inch of play between the upper spindle, and the ball joint nut.

Any help is appreciated.

Last edited by badapplegolf; Jun 18, 2017 at 09:33 AM.
Reply

Get notified of new replies

To 77 Resto-Mod

Old Jun 18, 2017 | 10:19 AM
  #98  
badapplegolf's Avatar
badapplegolf
Thread Starter
Instructor
 
Joined: Mar 2017
Posts: 219
Likes: 16
From: Las Vegas
Default

The shafts are clearly differant.


pic of old original



new ball joint
Reply
Old Jun 18, 2017 | 04:55 PM
  #99  
76Rat's Avatar
76Rat
Racer
10 Year Member
 
Joined: Jun 2013
Posts: 484
Likes: 43
From: NJ
Default

It looks like you need to add some shims/washers under the nut to take up the space so you can draw it tight.
Reply
Old Jun 18, 2017 | 04:59 PM
  #100  
76Rat's Avatar
76Rat
Racer
10 Year Member
 
Joined: Jun 2013
Posts: 484
Likes: 43
From: NJ
Default

Or is it tight already and you just don't like the way it looks?
Reply



All times are GMT -4. The time now is 10:46 AM.

story-0
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-1
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-2
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-3
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-4
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-5
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-6
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-7
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-8
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-9
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE