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Cooperative Motor Works

Vintage RV & Motorhome restorations - "The GMC Coop"

You are here: Home / The Daily Pose / Lets talk fuel tanks………… Another part on out classic coach that’s outlived their usefulness………

May 24, 2021

Lets talk fuel tanks………… Another part on out classic coach that’s outlived their usefulness………

………… Many things have changed in the 45 years since our Motorhomes were produced.  In this situation, Ethanol added to our fuel supply is a death sentence to out steel fuel tanks.  Ethanol (alcohol and water) causes rust in out metal tanks throwing rust into our fuel filters plus that rust coming from the metal of the tanks…….sooner or later rust thru will cause leaks, the rust bypassing filters cloths carbs and injectors in fuel injection systems……none of that is good!

Restorations need to address this issue so we’ve been working hard trying to design a new aluminum tank to get away from all of the problem.

In the field design and testing is how things get bette= in a niche market like ours.

We have had several designs and thanks to all who have helped us redesign this important update part over the past couple of years.

Our latest design answers the many questions we’ve found after getting tanks on the road.

Looking from the top, mounting brackets are integrated with the I beam support also integrated.  56 gallons……venting being a major issue on the original tanks, the raised top really vents the tank well with all hose fittings on the side of the tank making hose replacement a breeze.  The inlet vent is not near the bottom of the tank like the originals…you can see the fill at the top of the tank there at the lower left of the pic above.  A center mounted sender should gave a more accurate gauge reading.

Without all the custom brackets needed for out past tanks, cost dropped a bit building all that stuff into the tanks structure.  $1400 complete.  A bit more welding they are supplying these 1 each week so if this is something you think you want get on the backorder list……… It’s been a journey getting to this point, thanks to those that have helped us make this tank the best it could be.

Oh yeah….and if you’re running fuel injection,  a 4 1/2″ deep tank as all but a killer…..taking a wide sweep you can run out of fuel.  A shallow tan( sloshed….no way around it.  For you fi guts, the FiTech “Forced Fuel” component solves this issue completelythis unit creates a .4 gallon “accumulator” tank.  You would need to go around a WIDE turn to have troubles.  This system fixes any fuel injection issues using a shallow tank like ours.

Bottom line fuel delivery has had a pile of love and now we have a better fuel tank…..give me a call if you want to know more.

So yeah, I’m not kidding…..we need to get more work done, no way to work harder ….we need more workers!  Those folks don’t grow on trees, we have to train them, it’s way different working here as opposed to other automotive shops……here we work on only 1 machine….the learning curve is there but only needing to learn one vehicle….one motor…..one brake system….one fuel delivery system……..for someone who is mechanically inclined we can have you adding to our collective pretty quick and man would you be helping us and the community.

So Covid loosening its grip on us…..its time to get back to work.  Broaden your horizons and come work with us.  Ok that’s my best shot at recruiting….youall come……..ok, so that’s where we are of fuel delivery systems..

..if you’re running a carb, keep your filters clean and carry a carb filter in the front of the carb.  A WIX brand 330-48.  This is the finest filter in your system (5 microns) and will clog first.  Also carry a 5/8 line wrench and a 1″ open end wrench to get the sleeve off.

If you have fuel injection, we have a breakable 10 micron cleanable filter supplied by FiTech……..check it often.   Or just get an aluminum replacement…..up to you.

So another week of fun here in paradise……..wish you could be here having fun too.  Thanks for dropping by, hope there was something there for you.  Hey and pack up your tools and come on down for a new job……. We’ll leave the light on for ya

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Article by jimbounds / The Daily Pose

Comments

  1. Bud DeGroot says

    May 24, 2021 at 8:03 AM

    Has to be Tiago’s dash. Matches the rest of his coach.

    • jimbounds says

      May 24, 2021 at 12:20 PM

      You’re right, figured everyone should see his handiwork

  2. Tiago says

    May 28, 2021 at 2:14 PM

    Woot!! My dash made it to Jim’s Daily Pose!! : ]]
    And those single aluminum tanks paired with the Fitech Force surge tank (and EFI, and serpentine belts…) is an awesome upgrade, totally agree.

    Bud: You can come see it in person in Fredericksburg in a couple weeks!

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