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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 2019 Posts: 116 'Bolter | | 'Bolter Joined: Jan 2019 Posts: 116 | Have any of you guys ever used a no re-torque necessary head gasket like the one made by DC Gaskets, made in Mexico
1950 4400
| | | | | Joined: Mar 2014 Posts: 4,481 Moderator, Electrical Bay | | Moderator, Electrical Bay Joined: Mar 2014 Posts: 4,481 | About 50 years ago Fel-Pro introduced a "Perma-Torque" gasket for many engines but they didn't release one for the 235 until maybe 15~20 years later. I tried one when I had to do a valve job on my head and here are two things I learned: they are thinner than the copper sandwich gasket (which has been discontinued) and two...they can suffer oil leaks and when they start leaking nothing you can do seems to help. These gaskets are not reusable so if for some reason you get a leak, it seems you just get to live with it. DC Gaskets (Guanajuato) used to be Fel-Pro Mexico, but that has been a long time ago so I wouldn't say they're still the same as Fel-Pro. Late 1970s I'm thinking they no longer operated as Fel-Pro but you should check me on that. Some love this gasket and others don't. I'll be interested to see what you hear from the gang.
~ Jon
1952 1/2 ton with 1959 235 | T5 with 3.07 rear end
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