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Old 02-28-2023, 09:09 AM   #651 (permalink)
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Wonder what the van next to it is doing to the airflow

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Old 02-28-2023, 11:29 AM   #652 (permalink)
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In terms of where road crap and ice deposits on my car, itís the low pressure zones behind the tires, obviously the backside of the car in the wake, and then crystallized snow and ice in the turbulent area behind the front wheels along the drivers door along that line going towards the back wheels
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Old 02-28-2023, 12:12 PM   #653 (permalink)
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What is that big antenna on your roof used for ?
Do you need it ?
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Old 02-28-2023, 05:02 PM   #654 (permalink)
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What is that big antenna on your roof used for ?
Do you need it ?
big? you mean the one inch tall antenna for radio and gps and all that? shaped like a small vortex generator?
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Old 03-09-2023, 08:12 PM   #655 (permalink)
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https://www.homedepot.com/p/Master-F...361P/202191776

is something like this HEAT safe for the under body? would be running it down the center over the canyon where the exhaust pipe goes. coroplast is no bueno

also would this work over the rear muffler too?

trying to get a smooth under body before diffuser is made
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Old 03-10-2023, 09:53 AM   #656 (permalink)
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Mostly up to the melting point of the zinc which is lower than the melting point of the steel, around 2000 degrees depending on steel alloy. Since old style muffler were made of this........
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Old 03-19-2023, 01:56 PM   #657 (permalink)
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Spring time means wheel skirts are back on!
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Old 03-19-2023, 07:50 PM   #658 (permalink)
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I talked to the guy at the booth for Steve's Auto Restorations at the Portland Roadster Show. He said they would talk about boat tails.

They also had a booth for the Willamina High School shop class. The had a bunch of Eastwood tools and they were demonstrating metal shaping.
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Old 03-20-2023, 12:00 AM   #659 (permalink)
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I talked to the guy at the booth for Steve's Auto Restorations at the Portland Roadster Show. He said they would talk about boat tails.

They also had a booth for the Willamina High School shop class. The had a bunch of Eastwood tools and they were demonstrating metal shaping.
any idea how to shape and work with fiberglass too? im trying to do smooth underbody and wheel deflectors and boat tails behind them, then a rear diffuser and then feed all that into a boat tail
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Old 03-20-2023, 12:14 AM   #660 (permalink)
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I've only worked with fiberglass enough to get glass needles embedded in my skin. Then I stopped.

What I do know is with a male mold there's a lot of surface finishing. With a female mold there is a lot of mold finishing.

Polymetal, et al, has a finished surface but is only good for simple curves.

I hear that you can get a gloss finish on fiberglass by covering it with Mylar, sqeegeeing resin out under it and then peeling the Mylar off.

For compound curves you could cut sections out of junkyard fenders and then use panel adhesive to glue them together with a lap seam. Bondo and paint.

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