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Re: Subtracting Weight from the Autocrosser
Posted by: Seth Emerson ()
Date: February 02, 2018 12:54PM

Nice looking stuff!

Seth Emerson

Check my new Performance Corvair Web site [www.perfvair.com]

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Re: Subtracting Weight from the Autocrosser
Posted by: REM654DPG ()
Date: February 02, 2018 01:39PM

I have to agree with Seth those cylinders are impressive Marty. Tom is quite the engineer and has sure made some super cool parts for his car. I would definitely be interested in a set of those and would like to know more about them. Thanks for posting Marty.

Regan

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Re: Subtracting Weight from the Autocrosser
Posted by: martyscarr ()
Date: February 02, 2018 06:05PM

Hi Regan-

The iron liners were custom made to Tom's specs by a company called Powerbore in Ohio. Powerbore has their own foundry so the quality is controlled in house. The outer aluminum sleeve is a stock aluminum thick wall tubing size, which he purchased from Speedy Metals. I *think* he used the 5" OD 3.5" ID tubing. The finished cylinders are D Production legal at .040 over.

All done on a manual lathe, no CNC smiling smiley

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Re: Subtracting Weight from the Autocrosser
Posted by: martyscarr ()
Date: February 02, 2018 06:07PM

How about a light weight dry sump oil pan? Carved out of a chunk of 6061 aluminum.

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Re: Subtracting Weight from the Autocrosser
Posted by: MattNall ()
Date: February 02, 2018 06:08PM

Get him to make heads!!! ggg





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Re: Subtracting Weight from the Autocrosser
Posted by: REM654DPG ()
Date: February 02, 2018 06:15PM

Thanks Marty that's great info. Does Tom have a torque plate fixture to hone them.

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Re: Subtracting Weight from the Autocrosser
Posted by: gnvair ()
Date: February 02, 2018 08:01PM

Which Tom?

Lee J

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Re: Subtracting Weight from the Autocrosser
Posted by: chris ()
Date: February 03, 2018 12:41PM

That cylinder reminds me of the old Salih's. The finished product looks good.

'65 Monza 4 door
4 speed
110hp
Gardner, KS

Heart of America Corvair Owners Association

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