Jump to content

Horror of the week 29/ 3/ 18


Tony
 Share

Recommended Posts

Not your usual horror other than a horror to find....

 

The car in question is a TVR which are fundamentally hand built and open to human error. The owner has had a nightmare trying to find an intermittent knock from the rear of the car, all the usual complainants replaced including all the bushings, the drive train couplings, but the knock remained. 

 

My job was to calibrate the chassis after all the work and since each TVR chassis is different the settings are unique to that car. So while i was analysing the rear wheels camber curve i found the knock.

 

post-2-0-43498900-1522310202.jpg

 

 

post-2-0-14791000-1522310212.jpg

 

 

post-2-0-19705000-1522310222.jpg

 

A simple reason with a simple fix...If your looking in the right direction. As you can see the coils helix is catching the anti-roll bar bracket. A solution would be to shim the lower coil mount or re-shape the bracket. I think this was missed because the sound was so pronounced people were looking for a larger reason hence why this got overlooked.

Link to comment
Share on other sites

Yes Rich they are Bilstiens and the spacing between the helix is natural. Thing is these coils would have a very high rate so there's little compression. Problem is where they are placed and as Liner says TVR is technically a kit car so no two are the same.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

 Share

×
×
  • Create New...