The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 07-06-2010, 02:23 AM   #1
Hoffman65burb
Registered User
 
Hoffman65burb's Avatar
 
Join Date: Jul 2008
Location: Vancouver BC
Posts: 448
frame cracked..

Well, the other day my buddy was looking over my truck, turns out the frame is cracked about 5 inch's by the powersteering box, I would have never noticed it as it was behind the box. So time to tear it down... Plan is to strip it all and get it ready to have it repaired. I know a guy that has done many of these

This common on these trucks? Any of you had this happen? Any pictures of the repair?

__________________
1978 GMC Jimmy
454bbc
Turbo400
NP205
3.73 gears
4inch lift
33's
Hoffman65burb is offline   Reply With Quote
Old 07-06-2010, 02:48 AM   #2
Chionos GMs
Registered User
 
Chionos GMs's Avatar
 
Join Date: Jun 2010
Location: Farmington,CA
Posts: 345
Re: frame cracked..

I think it is common on these trucks
__________________
My last name is Chiono pronounced key-ono even if my grammar teacher told me Ch dont make a K sound

1995 Ext. cab 350 4wd dd 260,*** miles
1986 1/2 ton swb 305 2wd (melted bearings) SOLD!!
1982 3/4 lwb 6.2 diesel 2wd
1962 Chevy 283 4 speed long step 2wd 2 OWNER GONE!!
Chionos GMs is offline   Reply With Quote
Old 07-06-2010, 06:13 AM   #3
MONTEZ
Registered User
 
Join Date: May 2010
Location: Nacogdoches,Texas
Posts: 330
Re: frame cracked..

Very common on these trucks. Especially the 4x4 and trucks with wider tires. It's because the pitman arm is on the same side as the steering box and creates too much pressure on the frame near the steering box. If you wanna fix it right and not have to worry about it again, put the crossover steering from like a 91 suburban on it.
__________________
Smoke Tires, not Drugs

Last edited by MONTEZ; 07-06-2010 at 06:14 AM.
MONTEZ is offline   Reply With Quote
Old 07-06-2010, 10:36 AM   #4
Prerunner1982
Registered User
 
Prerunner1982's Avatar
 
Join Date: Oct 2002
Location: Edmond, OK
Posts: 5,904
Re: frame cracked..

Very Common... even happened to my 2wd.
__________________
Jon
1982 Chevy Silverado 350/th350.... RETIRED
1993 Jeep XJ 2 door(Cherokee) 4wd 4.0ltr/AX-15 (5spd)/NP231
....
Oklahoma Roll Call
Prerunner1982 is offline   Reply With Quote
Old 07-06-2010, 10:44 AM   #5
chrismoore701
Registered User
 
chrismoore701's Avatar
 
Join Date: Dec 2004
Location: Highland, IN
Posts: 2,326
Re: frame cracked..

I had this happen on my '79 stepside 2wd. I just ground a grove along the crack with a carbide bit and welded a bead over it and ground it down. back in business, at least I hope
__________________
Chris
_______________________________
1979 Chevy Stepside SPORT
2018 Chevy Silverado, 39 years apart
My build 2008-2016. http://m.imgur.com/a/bURrE
chrismoore701 is offline   Reply With Quote
Old 07-06-2010, 11:01 AM   #6
MONTEZ
Registered User
 
Join Date: May 2010
Location: Nacogdoches,Texas
Posts: 330
Re: frame cracked..

Quote:
Originally Posted by chrismoore701 View Post
I had this happen on my '79 stepside 2wd. I just ground a grove along the crack with a carbide bit and welded a bead over it and ground it down. back in business, at least I hope
You may want to consider welding a plate to the frame, more than likely it will crack again.
__________________
Smoke Tires, not Drugs
MONTEZ is offline   Reply With Quote
Old 07-06-2010, 12:04 PM   #7
silvereagle07
Registered User
 
silvereagle07's Avatar
 
Join Date: Sep 2008
Location: Bailey, NC
Posts: 2,462
Re: frame cracked..

It's a common problem with these trucks. Autofab makes a gusset kit to reinforce the frame. Check it out.
http://www.autofab.com/sbgk%20100.htm

Good article here.
http://www.4wheeloffroad.com/brandpa...ame/index.html
__________________
Jeramy

'84 GMC project truck
'85 Chevy 4X4 SOLD
'07 Chevy Trailblazer SS

5th Annual SHPHC Car/Truck Show Pics
http://67-72chevytrucks.com/vboard/s...d.php?t=543605 UPDATED PICS! CHECK 'EM OUT
silvereagle07 is offline   Reply With Quote
Old 07-06-2010, 12:09 PM   #8
benoit454
Chris
 
benoit454's Avatar
 
Join Date: Nov 2004
Location: Monaville, WV
Posts: 3,737
Re: frame cracked..

jcwhitney sells a precut and drilled kit that welds back in over the crack.

Personally never had one break, but bought a truck that was 2wd with one already broke. I'd weld the crack up, plate it inside and out and weld the guts out of it all.
__________________
Chris



GIT R DONE!!!!!!

Check out all our rides,
http://www.cardomain.com/id/benwa454
benoit454 is offline   Reply With Quote
Old 07-06-2010, 12:40 PM   #9
Prerunner1982
Registered User
 
Prerunner1982's Avatar
 
Join Date: Oct 2002
Location: Edmond, OK
Posts: 5,904
Re: frame cracked..

Offroad Design also offers a brace.

http://www.offroaddesign.com/catalog/steeringkit.htm
__________________
Jon
1982 Chevy Silverado 350/th350.... RETIRED
1993 Jeep XJ 2 door(Cherokee) 4wd 4.0ltr/AX-15 (5spd)/NP231
....
Oklahoma Roll Call
Prerunner1982 is offline   Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 07:05 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com