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Great job Ed! Did you happen to weigh the piece before and after the holes? 

When I was drilling the hardened gears for my trans I had to buy carbide drill bits (HSS and even cobalt would barely make a mark), which when you break a bit (2-1/8" at $22 each and 1- 1/4" at over $50) in the middle of a set up it got pretty frustrating. I can't say enough about rotary tables, though- pretty neat equipment!

I've not weighed the stuff but I'm pretty good at estimating weight, and I estimate the big tubular piece (including the through bolts) is about 6-7 pounds. I'll look around for a fish scale to weigh it. The modified cross brace is about 6-7 ounces heavier than stock, and that saddle is a few ounces. The "Swiss Cheese" inner bracing is ridiculously light. Maybe 2 pounds, 3 tops.

I estimate the whole aluminizing-and-details project will total under 50. Maybe under 40. Running Vintage 190s instead of steelies should more than make up for the extra weight. 

btw your car is awesome. I might copy the drilled wiper arms. Love the hard tonneau. 

Last edited by edsnova

I love seeing what other people are doing because I love the details, sometimes it makes me laugh at myself. For example, I built a big 3/16" thick steel structure with welded cross members to support my front bumper, it probably weighs 25lbs. then I built a steel tube frame that hung off of it to support the battery, it probably weighs 3 or 4 lbs, total 29 lbs. Then I built a 16 ga sheet metal tray for the battery, probably 1 lb. then I punched and drilled a bunch of lightening holes in the sheet metal tray, probably saved 5 grams! BUT!... it looked cool!  I think I'll add a second battery and drill out my wiper blades!

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