PT Cruiser Forum  
Advertisements
       

Go Back   PT Cruiser Forum > General Forums > PT Cruiser Convertible Forum

PT Cruiser Forum

Advertisements
Convertible chassis stiffening - foam

 
Like Tree6Likes

Reply
 
LinkBack Thread Tools Display Modes
  #1 (permalink)  
Old 26 Sep 2016, 04:58 am
Fresh Cruiser
 
Join Date: May 2016
Location: Spain
Posts: 16
Default Convertible chassis stiffening - foam

Hello!

As my PT convertible´s “scuttle shake” drives me crazy, I´ve been looking for a solution. You know…. the chassis is as “chewing gum”.

I see there is a product named “structural foam”. Chassis voids are filled with this product and it seems that the chassis is stiffened.

Has anyone tried to make a chassis filled with structural foam?

Best regards.
Reply With Quote
  #2 (permalink)  
Old 26 Sep 2016, 11:44 am
Busted_PT's Avatar
Obsessed Cruiser
 
Join Date: Jan 2012
Location: Beckley, W.V.
Posts: 13,891
Default Re: Convertible chassis stiffening - foam

Quote:
Originally Posted by GT_DESCAPOTABLE View Post
Hello!

As my PT convertible´s “scuttle shake” drives me crazy, I´ve been looking for a solution. You know…. the chassis is as “chewing gum”.

I see there is a product named “structural foam”. Chassis voids are filled with this product and it seems that the chassis is stiffened.

Has anyone tried to make a chassis filled with structural foam?

Best regards.
Foam will not stiffen your chassy. It will rot it out for you. Your chassis the can't be flexing much. Nothing you could feel. I would suggest to check you components. Bushings bell crank, tie rods, ball joints, end links, even the bushings for the sway bar. These all make noise when worn out. Rear shocks for bounce. Some have had front struts need replaced. Motor mounts makes it feel clunky and loose to. Forget the foam.
SPLNeon likes this.
__________________

03 Dream stock___________________________ 04 Touring turbo lite stock_________ 02 Touring stock_____________________ The "Three Amigos"
__________________________________________________ __________________________________________________ ___________Performance, Body and Service, OEM

This Is my project page.
http://www.ptcruiserlinks.com/forum/...oject-1-a.html

This is a great read from one of our own! Badglas
badglas.blogspot.com
Reply With Quote
  #3 (permalink)  
Old 27 Sep 2016, 11:41 am
Fresh Cruiser
 
Join Date: May 2016
Location: Spain
Posts: 16
Default Re: Convertible chassis stiffening - foam

Hello.
Thank you for your reply.
I can understand foam is not a solution. All parts you said me were checked; even shock absorbers are new. There is not anything wrong.
It has a pronunced "scuttle shake". Wind screen moves left and right when I take rought pavement....( even steering wheel ) And some reviews said the same.

look:

2006 Chrysler PT Cruiser Cabrio range | GoAuto - Our Opinion

https://www.carkeys.co.uk/review-arc...o-limited-auto

Chrysler PT Cruiser Convertible Buying Guide

Chrysler PT Cruiser convertible review | Autocar

2008 Chrysler PT Cruiser | Ingersoll


..... search in google "pt cruiser scuttle shake". There is a lot of similar reviews.


Thank you for your help.


ps. forgive my poor English.
Reply With Quote
  #4 (permalink)  
Old 27 Sep 2016, 05:58 pm
Carnut's Avatar
Senior Cruiser
 
Join Date: May 2016
Location: Wichita, Kansas
Posts: 1,131
Default Re: Convertible chassis stiffening - foam

Heh, heh, yes my 05 GT conv has about as much 'scuttle shake' as the 57 Chevy Conv I once had.

Handy_Cruiser likes this.
__________________
George H. McDowell
Wichita, Kansas
mailto:carnut@carnut.com
http://www.carnut.com/
FB https://www.facebook.com/george.c.mcdowell
My 2005 PT Cruiser GT Convertible Project

Reply With Quote
  #5 (permalink)  
Old 27 Sep 2016, 06:14 pm
Obsessed Cruiser
 
Join Date: Sep 2001
Posts: 27,744
Default Re: Convertible chassis stiffening - foam

Reading the above, it sounds like Chrysler didn't do a decent job of figuring out how to strengthening the body when the roof is removed. They did add the basket handle but apparently that isn't enough.

On the C4 Corvettes, General Motors ran into the same problem with the verts but someone came up with an "X" frame for the undercarriage and that seems to solve the shake.

Maybe someone could come up with something similar for the PT vert.

Corvette C4 "X" frame.


Now for the chassis that came out before the fix was put on, an aftermarket "X" frame can be had to add to the undercarriage.

Handy_Cruiser and Gkon like this.
__________________
Rules of the forum have been updated as of *07/07/2019* Please read them over.

- All decisions by the Moderator are semi-permanent, can and may be changed at his discretion but definitely will be the final word. Any action performed by the Administrator or Moderators are not to be discussed on the forum.

Last edited by CREWZIN; 27 Sep 2016 at 06:20 pm.
Reply With Quote
  #6 (permalink)  
Old 27 Sep 2016, 09:02 pm
Busted_PT's Avatar
Obsessed Cruiser
 
Join Date: Jan 2012
Location: Beckley, W.V.
Posts: 13,891
Default Re: Convertible chassis stiffening - foam

This could be accomplished right off the k frame rear mounting bolts. Either connect at the mount for the rear axle or the frame rail. Take in account what obstacles that need to be worked around.
__________________

03 Dream stock___________________________ 04 Touring turbo lite stock_________ 02 Touring stock_____________________ The "Three Amigos"
__________________________________________________ __________________________________________________ ___________Performance, Body and Service, OEM

This Is my project page.
http://www.ptcruiserlinks.com/forum/...oject-1-a.html

This is a great read from one of our own! Badglas
badglas.blogspot.com
Reply With Quote
  #7 (permalink)  
Old 30 Sep 2016, 02:01 am
Fresh Cruiser
 
Join Date: May 2016
Location: Spain
Posts: 16
Default Re: Convertible chassis stiffening - foam

Hello.

I´ve been searching for an X frame for PT Cruiser. There is nothing at all. Of course, unthinkable in Spain... in Spain one PT Cruiser convertible is a rarity. I only see 2 PT convertible in my life: Mine and 2 years ago one beige in road. And too many people said never see one.

Do you know any one x-frame to buy??

Regards.
Reply With Quote
  #8 (permalink)  
Old 30 Sep 2016, 08:12 am
Fk5 Fk5 is offline
Senior Cruiser
 
Join Date: Jul 2011
Location: Colesville, MD
Posts: 1,847
Default Re: Convertible chassis stiffening - foam

Might be better off making one. Subframe braces are a fairly common DIY deal for old muscle cars. Rather than an "X" those just run front to rear connecting the subframes. Those cars are RWD and have to worry about the driveshaft. On a PT you only have to worry about the exhaust and some other more minor stuff.

I wouldn't actually do-it-myself, but you probably have a race shop that welds up chassis and cages. As long as they have something to insure that the frame is straight and are reputable it might be the way to go. When you consider the cost of shipping something like an "X-frame" to Spain, it might actually be cost effective to have a shop whip something custom up.
__________________
2003 GT 5 speed
162,000 miles
Reply With Quote
  #9 (permalink)  
Old 30 Sep 2016, 08:26 am
Busted_PT's Avatar
Obsessed Cruiser
 
Join Date: Jan 2012
Location: Beckley, W.V.
Posts: 13,891
Default Re: Convertible chassis stiffening - foam

There is no product available. Custom or none. That being said. In my opinion some 1" tubing should be adequate to do the job.
__________________

03 Dream stock___________________________ 04 Touring turbo lite stock_________ 02 Touring stock_____________________ The "Three Amigos"
__________________________________________________ __________________________________________________ ___________Performance, Body and Service, OEM

This Is my project page.
http://www.ptcruiserlinks.com/forum/...oject-1-a.html

This is a great read from one of our own! Badglas
badglas.blogspot.com
Reply With Quote
  #10 (permalink)  
Old 30 Sep 2016, 02:33 pm
Handy_Cruiser's Avatar
Obsessed Cruiser
 
Join Date: Oct 2013
Location: Arkansas
Posts: 10,398
Default Re: Convertible chassis stiffening - foam

My 2007 convertible is just as solid as either of my previous PT wagons. I've notice none of this problem at all. To be exact, this convertible is the best riding of all there PT's I've own.

Is the OP really sure he doesn't just have bad control arm bushings?

__________________
Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
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
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
leaking fuel line supply chassis to rail...HELP! Rebuilder General PT Cruiser Discussions 4 26 Jun 2015 05:44 am
leaking fuel line supply chassis to rail...HELP! Rebuilder Welcome New PT Cruiser Members 2 22 Jun 2015 09:01 pm
Broken ground wire from strut to chassis. edscrz General PT Cruiser Discussions 4 14 Dec 2012 09:13 am
Sea Foam method dsmturbo General Turbo Discussions 1 27 Apr 2010 10:09 am
Chassis Lubrication Points 2002ptcruiserwoody723 Tech & Performance Forum 2 29 Sep 2009 09:49 pm


All times are GMT -5. The time now is 08:36 pm.




Powered by vBulletin® Version 3.8.2
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
LinkBacks Enabled by vBSEO 3.6.0 PL2 © 2011, Crawlability, Inc.
vB.Sponsors