this post was submitted on 09 Feb 2025
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The Pinto got well known for a couple of reasons.
One, the classic "exploding in a rear end collision." The design flaw here was that in certain rear collisions, the fuel tank would be pushed into the rear differential. Not only could this rupture the fuel tank, it could also produce a spark. Boom. Lots of cars had this same design in the 70s, with the fuel tank low in the rear, right behind the rear differential.
Two, the infamous Pinto Memo, which did a cost benefit analysis that determined it would be cheaper for Ford to not fix the problem, and just settle whatever cases came up. This very clearly inspired the Fight Club recall formula scene. Take note that the car used in that scene is a Lincoln Town Car, produced by Ford Motor Company.
The kicker for the Pinto recall? What they did to fix it:
That's it. My dad pointed this out to me in his shop some time in the late 80s or early 90s. He had a Pinto in for an oil change or something, "Hey, let me show you this." It was such a hacky "repair."
Curious: how effective was that “repair”? Did it actually make a difference at all?
It would have prevented the "spark" part of the failure condition, but not the tank rupturing part.
Stopping the explosions seems like a good enough sort of solution to me
A more appropriate solution would be a plastic shield designed to fit around the whole front of the gas tank, and then appropriately fixed to the vehicle, as opposed to "some hardware store shit."
Leaking fuel is generally a bad thing. It may not hit the differential but let's say the exhaust or muffler is banged up and pointed downwards -- still gonna have a nasty fire
Nasty fire still sounds better than instant explosion! Haha
The bolts on the back of the diff would puncture the fuel tank, so it would help with both.
That's not how Pinto axles were. The differential assembly bolts in from the front.
Jeep Grand Cherokees were this way between 1993 and 2004 and Jeep Libertys were this way between 2002 and 2007.
I do believe they were plastic though.
But they are jeeps. Quality was never an expectation
I love my Jeep. Why make it unbreakable, when you can make it easy to fix!
Hackey, but I guess some plastic would be enough to stop metal on metal contact and prevent sparks?
Not that my Miata "temporarily" has cardboard wrapped in tape wrapped around the cold air intake pipe to prevent it from rubbing against the frame. Nope, definitely not.
My challenger's whole plastic front end is connected with zip ties at this point. Those pathetic plastic clips they use just break apart if you try to work on them. I realize my solution to preventing plastic dragging on the road is less important than preventing metal on metal contact though.