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MG MG Y Type - floorboard chassis packing

Evening All
Some time ago there was a discussion as to the best material to use around the floorboards and on chassis rails. I cant find it so can anyone tell me what was the conclusion , if there was one , in the end. I seem to remember talk of strips of rubber sheet and also self adhesive neoprene ??? Or am I remembering it all wrong .
Any thoughts please.
Thanks a lot John B Y4424
J K Bowman

I believe originally felt was used, but I have used (3mm) thin rubber strips.

I marked the underside of the floorboards along the out edges, tunnel support and chassis rails, then tacked/ stapled the rubber strips to the floorboards.

Ensured the floorboards are fully bolted down otherwise they slap when car goes over bumps (speed bumps in particular).

Stuart
Stuart Duncan

Thanks Stuart. I've actually got a piece of leather which was originally nailed to the floorboard above the chassis outrigger, and in surprisingly good condition .
I was thinking of using rubber strips as you did , it was just at the back of my mind i thought someone suggested high density neoprene with its self adhesive and was wondering how well this worked .
Cheers John
J K Bowman

John,

The perimeter edges of the front and rear floorboard sections had 1"X1/16" felt packing between the floorboards and the metal supports.

I recovered several orig sections when I restored YB0952. I do not recall if they were wool or synthetic. Wollies can supply a suitable replacement.

The L&R rear floorboard sections also had three 1/4" rectangular CORK packing pieces between the floorboards and main chassis member/outrigger. See Appendix Three Plates 5 & 6 (pgs 255-6) of Lawrence's LTBY's.

I fabricated replacements by glueing several layers of cork gasket sheeting together to achieve the requisite thidckness.

There is also a 1/4" rubber pad between the R front floorboard section and the chassis pedal box. I believe Paul Barrow can supply a replacement.

Identical felt packing is also used between the upper face of the floorboards and the metal transmission and propshaft covers and between the toeboards and chassis supports.

Rocky
Rodney C "Rocky" von Dullen

Thanks for that Rocky . I found some strips of felt under the prop shaft cover when I stripped it down .Original and very flat.
Think I shall have to experiment a bit . The outside rail ie top of the sill, has been welded both sides and the rear lip one one side so thicknesses of packing will vary a touch.

Thanks again
John B
J K Bowman

Avoid using felt - it retains moisture and creates rust. Use either "chassis packing" or closed cell polyurethane foam sprayed in Lanolin (it repels water) and prevents rust.

Tony
The Classic Workshop
A L SLATTERY

Thanks Tony ,good idea
John
J K Bowman

This thread was discussed between 31/07/2024 and 06/08/2024

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