[Question] Help finding 1970 Hardin marine 454 BBC oil pan
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Help finding 1970 Hardin marine 454 BBC oil pan

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    Member rick1964's Avatar
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    Default Help finding 1970 Hardin marine 454 BBC oil pan

    Im back again with my 1970 Shuster, Im starting to see a little oil in the bilge under the motor, I think my oil pan may be rusting out. The oil pan had to be patched and welded and painted 3 years ago when I rebuilt the motor, but I think its leaking. I going to pull the Exhaust Headers off so I can inspect it, but what i can feel is paint coming off, and I bet its coming off in more bad areas. The machine shop that rebuilt the motor said they couldnt find an oil pan at the time, but marine stuff was not their specialty, so we did a nice job patching it. But salt water is salt water. Anyone know where to find one, I think this pan had special baffles in it. Its on a 1970 Hardin Marine 454 BBC.

    Thanks
    Rick
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    Last edited by rick1964; 09-10-2013 at 03:12 PM.

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    Led
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    Hardin Marine - Hardin Marine Stern Drive / Inboard / Jet Pans

    I would research possible alternatives, but if you are wanting a "Hardin" oil pan, here it is.

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    paint coming off doesnt mean that its rusting, crap in your bilge can flake paint, oil could be coming from many gaskets.

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    Thanks
    Last edited by rick1964; 09-11-2013 at 10:19 PM.

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    Not sure why you think you want a Hardin except that is what MIGHT be on there now.
    Steelcomp had a couple new B&B jet, I/O pans listed in the spam forums for half the cost of the Hardin. The B&B is a nice one piece, not welded, 10 QT pan that WORKS,



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    Hardin, Harman, Indmar, all of them bought long blocks from the factory, from intake to pan, then equipped them with their stuff, mounts, manifolds, ignition, brass casting plugs and so on. They didn't build engines. They might bolt on a intake manifold now and then or a Dooley pan but I'm pretty sure the pans are, especially in your case with the old Tahiti if it's the original engine, stock GM truck.
    Last edited by old rigger; 09-12-2013 at 07:50 AM.

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    Beautiful, thanks guy's. Its the original engine.

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    Quote Originally Posted by old rigger View Post
    Hardin, Harman, Indmar, all of them bought long blocks from the factory, from intake to pan, then equipped them with their stuff, mounts, manifolds, ignition, brass casting plugs and so on. They didn't build engines. They might bolt on a intake manifold now and then or a Dooley pan but I'm pretty sure the pans are, especially in your case with the old Tahiti if it's the original engine, stock GM truck.
    so i have been told by an old-timer boat builder that 454's were not marinized till 75 or 76.... Any truth to this???
    in his words all boats older than 75 never came stock with a 454......
    75 Eliminator

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    Quote Originally Posted by 1975sleekcraft View Post
    so i have been told by an old-timer boat builder that 454's were not marinized till 75 or 76.... Any truth to this???
    in his words all boats older than 75 never came stock with a 454......
    Nope. They were put in boats as soon as they rolled off the assembly line.

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    Quote Originally Posted by rick1964 View Post
    Im back again with my 1970 Shuster, Im starting to see a little oil in the bilge under the motor, I think my oil pan may be rusting out. The oil pan had to be patched and welded and painted 3 years ago when I rebuilt the motor, but I think its leaking. I going to pull the Exhaust Headers off so I can inspect it, but what i can feel is paint coming off, and I bet its coming off in more bad areas. The machine shop that rebuilt the motor said they couldnt find an oil pan at the time, but marine stuff was not their specialty, so we did a nice job patching it. But salt water is salt water. Anyone know where to find one, I think this pan had special baffles in it. Its on a 1970 Hardin Marine 454 BBC.

    Thanks
    Rick
    Rick If your intent on using a oem style rear sump mk4 car pan for your jet boat you need to search for a chevy pan and appropriate pickup that are max 8" deep or slightly less (7 7/8) from the block pan rail to the lowest part of the pan sump or your pan bottom will end up setting (or very close) to your jet intake casting in your efforts to get proper engine/driveline/mount alignment when reinstalling . OEM BBC pans vary from just under 8" to 9.5 and deeper I believe the pan you might be looking for is from a Chevelle application or maybe early Corvette . From your pic it would appear that your boat may have an original 3 pt mount, that mount system may limit your pan choices when considering a box style pan as a replacement

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