Torque value for magnet bolts

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Jim Eubanks
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Torque value for magnet bolts

Post by Jim Eubanks » Fri Jul 24, 2020 3:39 pm

What is the recommended torque for magneto magnet bolts?

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DanTreace
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Re: Torque value for magnet bolts

Post by DanTreace » Fri Jul 24, 2020 4:51 pm

Jim

No factory torque specs on any Model T fasteners. So just snug them up tight with a 6"-8" long wrench.

If you want to use a fancy torque wrench, this chart works as a guide. The #3254 Magnet bolt is 3/8" dia. Old bolts from those days are grade 2 approx. Specs would be determined by the bolt wear and hole thread condition.

44282.jpg

Early ones were wired, later the wire was figured not needed, just wrench tight the bolts.

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The best way is always the simplest. The attics of the world are cluttered up with complicated failures. Henry Ford
Don’t find fault, find a remedy; anybody can complain. Henry Ford


Topic author
Jim Eubanks
Posts: 199
Joined: Mon Jan 07, 2019 6:04 pm
First Name: Jim
Last Name: Eubanks
* REQUIRED* Type and Year of Model Ts owned: 1926 touring, 1927 cpe
Location: Powell, TN
MTFCA Number: 49847
MTFCI Number: 8340

Re: Torque value for magnet bolts

Post by Jim Eubanks » Fri Jul 24, 2020 5:36 pm

Thanks Dan


John kuehn
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Re: Torque value for magnet bolts

Post by John kuehn » Fri Jul 24, 2020 5:49 pm

Didn’t no that about the magnet bolts and whether to wire them or not. I had to think twice about it after seeing this post. The last T I restored was my 21 Touring. I found a correct engine for that year at Chickasha and rebuilt it. It had the magneto bolt wires on and I rewired them after the transmission rebuild.
I have transmissions with bolts with the holes in the magnet bolts with and without the wire. So I guess that would be a way of dating the transmissions. The Ford service manual shows the bolts with no wire in them because the car being worked on in the manual is a 24 or 25 which would be the later transmissions with no wire magnet bolts.

Another time saving effort for Ford. Probably saved about 5 or so minutes, maybe more?

Thanks for my ‘update’ about the bolts! Always learning something about T’s!

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