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 1947 - 1959 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 06-22-2015, 04:25 PM   #1
Rwalkup
Registered User
 
Rwalkup's Avatar
 
Join Date: Mar 2015
Location: Omaha
Posts: 19
New crossmember in my 48. Is it strong enough?

Hello gentlemen, I'm building a 48 Chevy 3100. I just had a new center crossmember made, wondering if I need to add any more support. I boxed the frame in over the front rear shackle mounts. So they have plenty of support and strength. What I am wondering is, should I add some diagonal braces from where I boxed the frame in over the front rear shackle mounts to the new center crossmember? The reason I am wondering this is the original had that gusset brace in it. Thank you in advance for any of your comments or suggestions.

Rick
Attached Images
 
Rwalkup is offline   Reply With Quote
Old 06-22-2015, 04:30 PM   #2
Rwalkup
Registered User
 
Rwalkup's Avatar
 
Join Date: Mar 2015
Location: Omaha
Posts: 19
Re: New crossmember in my 48. Is it strong enough?

Another picture
Attached Images
 
Rwalkup is offline   Reply With Quote
Old 06-22-2015, 04:31 PM   #3
Rwalkup
Registered User
 
Rwalkup's Avatar
 
Join Date: Mar 2015
Location: Omaha
Posts: 19
Re: New crossmember in my 48. Is it strong enough?

One last picture
Attached Images
 
Rwalkup is offline   Reply With Quote
Old 06-22-2015, 05:30 PM   #4
crossfire84
Registered User
 
crossfire84's Avatar
 
Join Date: Jun 2012
Location: wind lake WI
Posts: 1,750
Re: New crossmember in my 48. Is it strong enough?

Quote:
Originally Posted by Rwalkup View Post
Hello gentlemen, I'm building a 48 Chevy 3100. I just had a new center crossmember made, wondering if I need to add any more support.

Rick
Why? are you adding a twin turbo duramax? Your fine.
__________________
LIL ERV the 50-3600
396 BBC stroked to 415 cid
Richmond 6spd over drive
C4 rear
Porter built a arms
Never give the Devil a ride,because he'll want to Drive!
crossfire84 is offline   Reply With Quote
Old 06-22-2015, 05:40 PM   #5
OrrieG
Registered User
 
OrrieG's Avatar
 
Join Date: Jun 2006
Location: Idaho
Posts: 8,800
Re: New crossmember in my 48. Is it strong enough?

Assuming you trial fit the drive line to make sure you have enough room to get it in and out from underneath, and the other holes are for exhaust it looks good.
__________________
1959 Chevy Short Fleetside w/ 74 4WD drive train (current project) OrrieG Build Thread
1964 Chevelle Malibu w/ 355-350TH (daily driver)
Helpful AD and TF Manual Site Old Car Manual Project
OrrieG is offline   Reply With Quote
Old 06-22-2015, 06:08 PM   #6
Rwalkup
Registered User
 
Rwalkup's Avatar
 
Join Date: Mar 2015
Location: Omaha
Posts: 19
Re: New crossmember in my 48. Is it strong enough?

Yes, the driveline is installed and it fits beautifully. And those holes are for the exhaust system. No Duramax, wouldn't mind a Cummings. It's got that 350 in it which is putting out about 350 horse.
Rwalkup is offline   Reply With Quote
Old 06-22-2015, 06:44 PM   #7
mr48chev
Registered User
 
mr48chev's Avatar
 
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,705
Re: New crossmember in my 48. Is it strong enough?

The only thing I might think about adding is a pair of tubes running back to the frame from close to the center in somewhat of a K to brace it a bit to keep things square.
__________________
Founding member of the too many projects, too little time and money club.

My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
71 GMC 2500 that is getting a Cad 500 transplant.
77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.
mr48chev is offline   Reply With Quote
Reply

Bookmarks


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 06:28 AM.


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