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FROM THE October 2010 ISSUE

Tip of the Month: Make 1960s GM hose clamps

Make 1960s GM hose clamps
"How can I make a 1960’s era GM hose clamp?” That question from Len Woodruff inspires our TOM – because the answer is easier to draw than to explain.  

The clamps in question – sometimes called “Tower Clamps” – consist of the typical steel band wrapped around the end of the hose, but the tightening screw is perpendicular to the surface, as opposed to the more- familiar arrangement, where tightening screw and collar lays across the band.

Typically used on radiator hoses, these Tower Clamps are front-and-center in the engine compartment, and are a must for a period-correct GM factory stocker.  

The bands are easy enough to fabricate, what about that little bolt?  

000-120 mini-machine screws are okay, but even they are a tad big. A better alternative is from a company called Scale Hardware (www.scalehardware.com), which has plenty of stainless steel and brass micromini bolts and rivets that would be perfect for this application.  

If plastic is more your material of choice, the Tichy Train Group (www.tichytraingroup.com) has a wide variety rivet castings that will work, too. They may not be as strong as their stainless or brass counterparts, but they’re cheaper. We recommend rivets between .030" and .040" for the right look.

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