The Ford Barn

jimTN · 01-24-2023, 09:08 AM

What part number is the wrench for a 36. The 40 number is too big and the 81 too small.

Don Rogers · 01-24-2023, 09:12 AM

40-17017 is the correct wrench for an original Champion #7 spark plug.

Model51 · 01-24-2023, 03:27 PM

Here's a photo of the 40-17017 spark plug wrench that Don correctly identified.

DavidG · 01-24-2023, 04:37 PM

Maybe he has the larger B-prefix version wrench for 3X and C-4 plugs or maybe he isn't using #7 Champion plugs.

mercman from oz · 01-24-2023, 04:45 PM

1936 Ford Tool Kit comprises these tools

mercman from oz · 01-24-2023, 04:48 PM

Sponsored Links (Register now to hide all advertisements)

40-17017 spark plug wrench as posted by Model51

jimTN · 01-25-2023, 09:57 AM

Thank you all for the answers, David nailed it, smaller spark plugs.

Rodrelic · 01-26-2023, 07:49 PM

Work so good on my 21 studs, I don’t care about sockets

Jack E/NJ · 01-26-2023, 09:37 PM

Everybody who is anybody knows these'll fit all plug sizes found in old fords.

01-24-2023, 09:08 AM	#1
jimTN Senior Member Join Date: May 2010 Location: Powell, TN Posts: 2,509	spark plug wrench What part number is the wrench for a 36. The 40 number is too big and the 81 too small.

01-24-2023, 09:12 AM	#2
Don Rogers Senior Member Join Date: May 2010 Location: Wildwood, MO. (near St. Louis) Posts: 1,792	Re: spark plug wrench 40-17017 is the correct wrench for an original Champion #7 spark plug.

01-24-2023, 04:37 PM	#4
DavidG Senior Member Join Date: May 2010 Location: southeastern Michigan Posts: 10,101	Re: spark plug wrench Maybe he has the larger B-prefix version wrench for 3X and C-4 plugs or maybe he isn't using #7 Champion plugs.

01-24-2023, 04:45 PM	#5
mercman from oz Senior Member Join Date: May 2012 Location: Queensland, Australia Posts: 10,372	Re: spark plug wrench 1936 Ford Tool Kit comprises these tools

01-24-2023, 04:48 PM	#6
mercman from oz Senior Member Join Date: May 2012 Location: Queensland, Australia Posts: 10,372	Re: spark plug wrench Sponsored Links (Register now to hide all advertisements) 40-17017 spark plug wrench as posted by Model51

01-25-2023, 09:57 AM	#7
jimTN Senior Member Join Date: May 2010 Location: Powell, TN Posts: 2,509	Re: spark plug wrench Thank you all for the answers, David nailed it, smaller spark plugs.

01-26-2023, 07:49 PM	#8
Rodrelic Senior Member Join Date: Mar 2018 Location: Florida panhandle Posts: 194	Re: spark plug wrench Work so good on my 21 studs, I don’t care about sockets