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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jan 2007 Posts: 136 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2007 Posts: 136 | I recently run into a long series of posts on a hot rod website that speculate an IFS failure caused a serious accident resulting in the total destruction of a classic vehicle. (Some wild pictures!)
Many believe the welds on the IFS failed, causing the accident. Some believe the IFS kits you can buy are not strong enough for heavier vehicles.
It just got me thinking.....does anyone know the weight of a stock 55 second series?
Ross | | | | | Joined: Aug 2007 Posts: 1,859 Grumpy old guy playing with trucks, cars, and boats | | Grumpy old guy playing with trucks, cars, and boats Joined: Aug 2007 Posts: 1,859 | Half Ton? 3/4 ton?
should be about 3500#ish empty. keep in mind the average corvette today is about 3800#ish.
Scott
The problems we face today can not be addressed at the same level of intelligence we were at when we created them - Albert Einstein Or with the same level of $ - Me
| | | | | Joined: Jan 2007 Posts: 136 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2007 Posts: 136 | Oops!
Its a 3100 - 1/2 ton
Sorry.
Ross | | | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | A 3100 isn't much lighter than a 3600, both are going to weigh more than 3000 pounds but probably less than 4000. Remember that the weight of a modified truck depends on the modifications and may very quite a bit.
The IFS failures I've seen most press about have been Mustang II types, and the problems appear to me to fall into two catagories, First is modifications to the suspension design that are poorly engineered and rob the system of strength.
The second is poor craftsmanship. This kind of failure can affect frame clips, frame swaps and stock suspensions too. If the person doing the work doesn't know their stuff, and pay attention to their task, the result can be failure.
The Mustang II problems seem to relate to removing a strut that many feel doesn't look good. The result puts too much stress on parts not designed for it, sometimes resulting in failure.
As for concerns the truck might be too heavy for the suspensions you are considering, compare the truck's weight to the donor vehicle's weight. You may be surprised how much some of those cars weigh when compared to an old truck.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | |
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