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 > General Truck Forums > Engine & Drivetrain > LSx Swaps

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 01-06-2020, 09:27 PM   #1
prodjay10
Registered User
 
Join Date: Jun 2016
Location: Phoenix AZ
Posts: 429
Bumper moved when jacking up truck.

I put a jack under the lower control arm to work on brakes and the bumper moved. Is this normal?
prodjay10 is offline   Reply With Quote
Old 01-06-2020, 10:11 PM   #2
mongocanfly
Post Whore

 
mongocanfly's Avatar
 
Join Date: May 2015
Location: Alabama
Posts: 14,671
Re: Bumper moved when jacking up truck.

no.....pics?
__________________
Mongo...aka Greg

RIP Dad
RIP Jesse

1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598
Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334
Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563
2023 Chevy Z71..daily driver
mongocanfly is offline   Reply With Quote
Old 01-07-2020, 08:17 AM   #3
Keith Seymore
Registered User
 
Keith Seymore's Avatar
 
Join Date: May 2009
Location: Motor City
Posts: 9,226
Re: Bumper moved when jacking up truck.

Yes. It should go "up".

K
__________________
Chevrolet Flint Assembly
1979-1986
GM Full Size Truck Engineering
1986 - 2019
Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926
My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524
Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/
Keith Seymore is offline   Reply With Quote
Old 01-07-2020, 04:05 PM   #4
mongocanfly
Post Whore

 
mongocanfly's Avatar
 
Join Date: May 2015
Location: Alabama
Posts: 14,671
Re: Bumper moved when jacking up truck.

Well know Keith has me wondering exactly what you meant when you said it moved...
In relationship to the ground...or did it move on the truck itself?
__________________
Mongo...aka Greg

RIP Dad
RIP Jesse

1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598
Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334
Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563
2023 Chevy Z71..daily driver
mongocanfly is offline   Reply With Quote
Old 01-07-2020, 09:18 PM   #5
prodjay10
Registered User
 
Join Date: Jun 2016
Location: Phoenix AZ
Posts: 429
Re: Bumper moved when jacking up truck.

It moved up in relation to the grill. I’ll get pic in a few days. I’m working on another car and forget to jack it this one up again.
prodjay10 is offline   Reply With Quote
Old 01-08-2020, 04:08 PM   #6
skyphix
Registered User
 
Join Date: Sep 2018
Location: Hampden, ME
Posts: 408
Re: Bumper moved when jacking up truck.

Quote:
Originally Posted by prodjay10 View Post
It moved up in relation to the grill. I’ll get pic in a few days. I’m working on another car and forget to jack it this one up again.
I'm not an expert by any means - but its like your frame flexed and one side of the bumper moved up (shrunk the gap between it and the grill) - I'd bet the other side flexed down a bit in relation to the grill.

I do know the frames on these flex a lot more than I am used to... could it be just that?
__________________
Eric
1980 C10 SWB
2003 Chevy Suburban 2500 LT
skyphix is offline   Reply With Quote
Old 01-09-2020, 10:44 AM   #7
Willie Makeit
Registered User
 
Willie Makeit's Avatar
 
Join Date: Oct 2013
Location: Alabama
Posts: 1,234
Re: Bumper moved when jacking up truck.

how is this related to LS engine swaps?
Willie Makeit is offline   Reply With Quote
Old 01-09-2020, 11:24 AM   #8
prodjay10
Registered User
 
Join Date: Jun 2016
Location: Phoenix AZ
Posts: 429
Re: Bumper moved when jacking up truck.

The truck has a 5.3 and 4L60e. Just finished the swap about 3 weeks ago. Works great but working out details.
prodjay10 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 02:30 AM.


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