The Ford Barn - How many amps?

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rockfla

02-17-2025 04:07 PM

How many amps?

Anyone have a number on just how many Amps a 6V flathead starter draws when it turns under load? Stock configuration

ScubaChief60

02-17-2025 04:32 PM

Re: How many amps?

Found this from 2021 on the Forum here: On 6v the draw should be under 450 amps

ford38v8

02-17-2025 05:24 PM

Re: How many amps?

Quote:

Originally Posted by ScubaChief60 (Post 2370218)

Found this from 2021 on the Forum here: On 6v the draw should be under 450 amps

Wow. WOW! Like less than half of that. Over 200 amps would mean bad condition of the starter itself, the cables, the battery, or a new rebuild with tight bearings.

Bob C

02-17-2025 06:52 PM

Re: How many amps?

From Ford Service Manual 1946-48.

Torque RPM Volts Amps
4 ft. lbs. 1070 4.6 200
8 " 660 4.3 340
12 " 300 3.65 465
14 " Lock 3.5 500

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