MTFCA Forum

Posted: **Mon Feb 05, 2024 4:36 pm**

Does anyone know the radius (or diameter)
of the mounting bolt circle of the magneto field coil?
If possible I would like to know the dimension from the Ford drawing.
I need to layout the hole pattern for a HCCT spark ring.
Thanks for your help.

: MAGNETO.jpg (30.59 KiB) Viewed 891 times

Posted: **Mon Feb 05, 2024 5:17 pm**

Check your email. Dan

Posted: **Mon Feb 05, 2024 5:46 pm**

The holes are on a 4.125 bolt circle.
The two holes closest to the pan rail are 8.156 apart
The two top holes are 3.812 apart

This comes out to approx 8.5 degrees and 62.5 degrees from the pan rail on the 4.125 dia BC.

Almost all ford block and part dimensions are fractional dimensions in my experience.

Posted: **Mon Feb 05, 2024 9:13 pm**

Dan & Dan,
Thanks for the information.
I laid it out in CAD and it is right on.

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