Dizzy adapter

Hotrodvideo

Hotrodvideo

Senior Member
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.
 
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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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
 
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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