![]() |
Register or Log In To remove these advertisements. |
|
|
![]() |
|
Thread Tools | Display Modes |
|
![]() |
#1 |
Senior Member
![]() Join Date: Mar 2019
Location: Somonauk IL
Posts: 324
|
67 front drums not budging
We’ve all banged on drums to get loose but I have to tell you the front drums on my 67 c10 will not break loose. The truck has been sitting 10 plus years. The rears took a few hits but came off ok. Just not sure why the fronts are so tough.
The drums rotate fine on both front sides. There is a large spring that is wrapped around the drum. Does that need to come off? Is there something else holding it on? I’ve hit it with Kroil, wd40! And even heat and no budge. Any tricks out there ? I’m using a good old school wire brush and a sludge hammer. Posted via Mobile Device |
![]() |
![]() |
![]() |
#2 |
Senior Member
![]() Join Date: May 2010
Location: Wisconsin & Arizona
Posts: 4,844
|
Re: 67 front drums not budging
It looks like your hub may be riveted to the drum. Try taking it off as an assembly.
__________________
Jim |
![]() |
![]() |
![]() |
#3 |
Registered User
Join Date: Jul 2002
Location: St. James, MO
Posts: 1,239
|
Re: 67 front drums not budging
Yep, the rivets are still there. Gotta pull the spindle nut and the outer bearing. Once off and cleaned up, grind or drill the rivets out to avoid the problem (and enable turning the drum, if needed).
I never could figure out why GM assembled them that way.
__________________
'69 Longstep K-10: 327/SM465/T-221/Closed Knuckle Dana44/12-bolt. |
![]() |
![]() |
![]() |
#4 |
Roadtrip!
![]() Join Date: Feb 2003
Location: Grand Rapids MN
Posts: 13,727
|
Re: 67 front drums not budging
This is your answer...all 1 assembly.
__________________
67 gmc custom lwb dakota truck. Sold...And bought back 69 swb 4x4 project (in progress) 70 c-10 lwb texas truck 70 4x4/BB/bkts/posi/tach(retired) 70 swb (wifes) 70 jimmy camper 71 K-5 factory 2wd 71 cheyenne 4x4/tach/posi/ plow rig 71 Cheyenne20 BB, buckets, tach, tilt, 4 speed 72 jimmy CST wyoming rig 72 jimmy Colorado rig 72 lifted texas 4x4 3/4 ton burb 65 fury conv. 383/auto 65 chrysler 300 "L" 413 auto |
![]() |
![]() |
![]() |
#5 |
Cluster King
![]() Join Date: Nov 2012
Location: Junction City, OR
Posts: 5,263
|
Re: 67 front drums not budging
You will want to leave the hub riveted to the drum if possible.
You will get a better result machining the drum as an assemble. Using the bearing raced as a pilot for the drum lathe will work much better than using the center hole in the drum as a pilot. Think run out. Unless your drums are wore beyond min spec and then you would have to de rivet. I would make sure you use machine with both the hub and the drum assembled. Hope this helps
__________________
Contact me on all of your gauge cluster needs. I specialize in restoration, repair and parts sales for 67-72 Chevy and GMC trucks. email me at tbonegarris@yahoo.com I am also a dealer for Counterpart for gauge cluster parts only. Also see my facebook page, CG&C |
![]() |
![]() |
![]() |
#6 | |
Senior Member
![]() Join Date: Mar 2019
Location: Somonauk IL
Posts: 324
|
Quote:
Posted via Mobile Device |
|
![]() |
![]() |
![]() |
#7 |
Senior Member
![]() Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
|
Re: 67 front drums not budging
I am curious if that spring is there for anti vibration?? I had a 69 C10 30 some years ago , do not remember that spring
__________________
Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks ![]() |
![]() |
![]() |
![]() |
#8 |
Cluster King
![]() Join Date: Nov 2012
Location: Junction City, OR
Posts: 5,263
|
Re: 67 front drums not budging
The spring prevents harmonic noise. Nothing to do with balance.
__________________
Contact me on all of your gauge cluster needs. I specialize in restoration, repair and parts sales for 67-72 Chevy and GMC trucks. email me at tbonegarris@yahoo.com I am also a dealer for Counterpart for gauge cluster parts only. Also see my facebook page, CG&C |
![]() |
![]() |
![]() |
#9 |
Senior Member
![]() Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
|
Re: 67 front drums not budging
make sense thanks
__________________
Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks ![]() |
![]() |
![]() |
![]() |
#10 |
Registered User
Join Date: Jul 2013
Location: Mount Albert.Ontario
Posts: 119
|
Re: 67 front drums not budging
You dont need to replace the rivets ,You wont find many around that are still there,
|
![]() |
![]() |
![]() |
Bookmarks |
|
|