Rear Chassis Strengthening Gussets.
5 posts
• Page 1 of 1
Post by: ceejay » Thu Oct 23, 2008 10:59 pm
Following is an alternative method of strengthening the rear Strut/lotocone mounts with out adding excessive weight. This method is neat and wont interfere with the rear seat belt mounts. The method does require a little work and skill; you need to be very good at fabricating & welding.
I used this method to strengthen my S2 chassis during rebuild/restoration twenty-five years ago, and the brackets are as good as the day the job was done... no flexing ... no cracks. The job shown in the photographs was done for an interstate client during a chassis repair/overhaul job.
The modification provides great strength and stiffness from the top box sections on either side of the bracket and full seam/end welding of the additional metal to the chassis bracket. Simple ? effective, and it works.
The fabrication is carried out using 16g mild steel sheet metal folded into a right angle, it is carefully cut to fit along the top edge and tucking into the inner & outer edge of the original bracket, the welding was done using Oxy/Acet, yes you could use either TIG or MIG if you have the skills and the welding gear, but Oxy works fine, it won?t degrade the mild steel metal, unless you are careless and over heat/burn the metal, Oxy/acet welding was used for many decades for sheet metal welding and fabrication before TIG - MIG became popular.
Note: That the sheet metal required a small section to be removed to allow clearance for the outer mounting bolt.
Bolt lengths are: Inner: 20mm. Outer: 16mm.
Hope this is of help to you.
Col.
I used this method to strengthen my S2 chassis during rebuild/restoration twenty-five years ago, and the brackets are as good as the day the job was done... no flexing ... no cracks. The job shown in the photographs was done for an interstate client during a chassis repair/overhaul job.
The modification provides great strength and stiffness from the top box sections on either side of the bracket and full seam/end welding of the additional metal to the chassis bracket. Simple ? effective, and it works.
The fabrication is carried out using 16g mild steel sheet metal folded into a right angle, it is carefully cut to fit along the top edge and tucking into the inner & outer edge of the original bracket, the welding was done using Oxy/Acet, yes you could use either TIG or MIG if you have the skills and the welding gear, but Oxy works fine, it won?t degrade the mild steel metal, unless you are careless and over heat/burn the metal, Oxy/acet welding was used for many decades for sheet metal welding and fabrication before TIG - MIG became popular.
Note: That the sheet metal required a small section to be removed to allow clearance for the outer mounting bolt.
Bolt lengths are: Inner: 20mm. Outer: 16mm.
Hope this is of help to you.
Col.
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- Outer view of bracket. Note the cut out clearance for the bolt.
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- Inner view of the bracket.
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- Chassis/Bracket with lotocone installed, the fit is neat, the result is a very strong, lightweight solution to building a stronger strut bracket without adding unwanted weight.
- ceejay
- Fourth Gear
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Post by: twincamman » Fri Oct 24, 2008 12:05 am
very close to mine --done in 1964 at the factory --ed
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dont close your eyes --you will miss the crash
Editor: On June 12, 2020, Edward Law, AKA TwinCamMan, passed away; his obituary can be read at https://www.friscolanti.com/obituary/edward-law. He will be missed.
Editor: On June 12, 2020, Edward Law, AKA TwinCamMan, passed away; his obituary can be read at https://www.friscolanti.com/obituary/edward-law. He will be missed.
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twincamman - Coveted Fifth Gear
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Post by: Fred Talmadge » Fri Oct 24, 2008 5:22 pm
Slightly off topic, the subject of chassis strengthening was brought up on the email list, and I posted some pics to the Yahoo Photo Gallery under Frame Mods http://autos.ph.groups.yahoo.com/group/ ... rowse/7621 If Yahoo cooperates anyone should be able to post there.
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Fred Talmadge - Third Gear
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Post by: Fred Talmadge » Fri Oct 24, 2008 5:23 pm
Slightly off topic, the subject of chassis strengthening was brought up on the email list, and I posted some pics to the Yahoo Photo Gallery under Frame Mods http://autos.ph.groups.yahoo.com/group/ ... rowse/7621 If Yahoo cooperates anyone should be able to post there.
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Fred Talmadge - Third Gear
- Posts: 244
- Joined: 24 Sep 2003
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