03-09-2024, 10:41 AM
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#21 | |
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Senior Member
Join Date: May 2015
Posts: 8,156
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Re: Potvin cams
Quote:
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The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
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03-09-2024, 02:44 PM
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#22 |
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Senior Member
Join Date: May 2010
Location: NJ
Posts: 6,181
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Re: Potvin cams
You need to check with your cam grinder if they will do a steel cam. Not every grinder can or will.
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03-09-2024, 03:43 PM
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#23 |
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Senior Member
Join Date: Feb 2022
Posts: 119
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Re: Potvin cams
Tim,
I has a 32 core in USA if I like go that way. Pete1will do one but said, be avare. But I has this cam now as showed. I has NOS 8AB 46 gram lifters and a set of titan 5/64 stem valves ( super light ) and will use Lincoln springs ( always did like the name ) That will read nice and be nice to cam. I will use a straight cam gear if I can find one ( ideas of source ) I has a 8AB cover and Cirello has got me a longer axle in my early Scintilla so cover get the centre steady rest to magnet. Plan use std oil pump, or is HV needed ? |
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03-09-2024, 04:34 PM
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#24 | |
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Senior Member
Join Date: Dec 2010
Location: East Coast in CT
Posts: 1,529
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Re: Potvin cams
Quote:
If this is a 32 cam a picture of the cam journals would verify it. Not so sure from the look of that cast area between the lobes midway. Ronnieroadster
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I use the F word a lot no not that word these words Flathead , Focus and Finish. "Life Member of the Bonneville 200 MPH Club using a Ford Flathead block" Owner , Builder, Driver of the First Ford Flathead bodied roadster to run 200 MPH Record July 13, 2018 LTA timing association 200.921 in one and a half miles burning gasoline. First ever gas burning Ford flathead powered roadster to run 200 MPH at Bonneville Salt Flats setting the record August 7th 2021 at 205.744 MPH |
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03-09-2024, 04:47 PM
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#25 |
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Senior Member
Join Date: Feb 2022
Posts: 119
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Re: Potvin cams
The oil core slitz on the journals, I think that is a good indication.
Food for the history. |
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03-09-2024, 05:00 PM
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#26 |
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Senior Member
Join Date: Jan 2011
Location: Central Ohio
Posts: 5,070
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Re: Potvin cams
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Heck, I would not want it anyway - why go through all the work to "finish" the rest of it. If It was going to do that, I'd buy a chunk of 8620 AQBQ and start a billet cam from scratch. |
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03-09-2024, 05:05 PM
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#27 |
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Senior Member
Join Date: May 2010
Location: Charlotte NC KiWi-L100 available here
Posts: 2,963
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Re: Potvin cams
Ronnieroadster is correct. It’s a cast cam.
1932 Steel cams are flat on the front with just the distributor drive slot. Cast have the circle as you can see on the front of cam pictured. |
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03-09-2024, 05:05 PM
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#28 |
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Senior Member
Join Date: May 2010
Location: NJ
Posts: 6,181
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Re: Potvin cams
I agree with Ronnie & Dale. That "rough" section showing in the pictures between the lobes looks cast.
Edit: Tony confirmed |
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03-09-2024, 08:42 PM
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#29 |
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Senior Member
Join Date: May 2010
Location: Wa.
Posts: 5,409
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Re: Potvin cams
It is an early cast core.
It is a roller grind because it has inverted flanks. It is NOT a radius lifter grind because of the shape of the toe. It does NOT have enough lift to be a serious race grind unless it was for an Ardun setup. |
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03-10-2024, 11:13 AM
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#30 |
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Senior Member
Join Date: Feb 2022
Posts: 119
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Re: Potvin cams
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