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Old 09-04-2010, 10:40 PM   #1
Hotrodvideo
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Default Dizzy adapter

Do I need an adapter to put a crab style distributor on a '38 flathead?
The only adapter I've seen is from Speedway but their catalog says it's for putting a '37 thru '41 dizzy on a '42 thru '48 engine.
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Old 09-04-2010, 10:57 PM   #2
Ed Pitts
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Default Re: Dizzy adapter

Yes, you do need an adapter. This is where I got mine. Good folks. Ed

http://www.thepitstopgary.com/pricelist.html

Adapter/Spacer plate to use 2-bolt 21A (crab type) distributor on 32-41 engines$55.00
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Old 09-04-2010, 11:01 PM   #3
Jim Arnold
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Default Re: Dizzy adapter

Yes, you will need an adapter to space out the 42 - 48 distributor if you are using the original '38 cam and this adapter also converts the three bolt timing gear cover to allow mounting of the two bolt distributor. See photo.
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File Type: jpg Engine block mounted 8-15-10.jpg (86.6 KB, 34 views)
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Old 09-04-2010, 11:26 PM   #4
Hotrodvideo
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Default Re: Dizzy adapter

But I have the 2 bolt front cover also so I would just need the button adapter for the cam??
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Old 09-05-2010, 05:50 AM   #5
oldford2
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Default Re: Dizzy adapter

Not the "button" adaptor. Use the spacer plate as Ed Pitts described. When using the 2 bolt cover the cam "sticks out too far" (approx 7/16) so you need the spacer plate. Dick Spadora sells them also. Call him and he will answer all your questions before you order. John
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Old 09-05-2010, 06:33 AM   #6
36coupe3w
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Default Re: Dizzy adapter

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There are 3 lengths of cam ends on the dist.side. With the adapter it will make up the dist approx. 7/16 on an inch shortness. That would would with the earlier cam length. Then the other version that would require a buttom adapter. The final cam would require nothing. All Ford flathead cams will interchange. The problem lies iin the timing cover . block and dist.
As stated before Dick Spadaro carries the dist adapter, contact him for what you need .
Good luck Bill
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