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06-08-2014, 05:28 PM | #1 |
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original spark plug wrench
Looking for an original 1933 sparkplug wrench for 4 cylinder for engines. Any idea what number this item is. These plugs are larger diameter than the 8 cylinder models.
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06-08-2014, 08:25 PM | #2 |
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Re: original spark plug wrench
B-17017
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06-09-2014, 10:30 AM | #3 |
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Re: original spark plug wrench
And it basically looks about like the V-8 one but with the 1 1/8 (I think) opening. Should be without Ford script, like other '32-3 tools. Easy to find since Ford made circa 5,000,000 of them, mostly scriptless and mostly of course for the Model A...number was changed to B prefix in '32. Don't throw away the V8 wrench, as most aftermarket A-B plugs used a smaller hex that fits the other wrench!
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06-09-2014, 01:43 PM | #4 |
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Re: original spark plug wrench
Hi, I just checked my collection of Ford tools and I have four of those wrenches. I probably don't need four of them. They all have the circle with the M in it for the manufacturer's mark, no Ford script, the 1 and 1/8th inch open end for the plugs, and approximately 3/4ths inch for the boxed end. The wrenches are approximately 10 inches long cast pieces with the bend up for the spark plug end and the bend down for the 3/4 inch box end. The only difference in each of these is a number in raised numerals on the back side of the wrench near the boxed end. The numbers are 44, 47, 52, and the number 4 which is smaller in size and a little further away from the boxed end than the other three numbers. I assume these are just casting numbers (but if they have significance I'd really like to know about it). PM me I'm sure I no longer need 4 of these. Hope this additional info helps. Toby
Last edited by 39wdy; 06-09-2014 at 01:43 PM. Reason: typo |
06-09-2014, 02:56 PM | #5 | |
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Re: original spark plug wrench
Quote:
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06-10-2014, 12:01 AM | #6 |
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Re: original spark plug wrench
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Exactly the same as the Model A ones but most A items have no script or part #. The V8 one marked 40-17017 looks somewhat different. |
06-18-2014, 03:50 PM | #7 |
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Re: original spark plug wrench
This is not the spark plug wrench!!!!!
It does not fit the plugs but is too small, Thanks!!!~! Last edited by FrankWest; 06-18-2014 at 04:29 PM. |
06-18-2014, 04:08 PM | #8 |
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Re: original spark plug wrench
That is the correct number, should be 1 1/8" open end for plug with 11/16" head nut at other end. "Too small" is strange...1 1/8 is I believe biggest plug hex Ford ever used.
What size does it measure?? What do the plugs measure? |
06-18-2014, 04:32 PM | #9 |
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Re: original spark plug wrench
the hex is .716 in
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06-19-2014, 10:33 AM | #10 |
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Re: original spark plug wrench
Hex on that wrench should be .6875 for 11/16, fits all 28-48 Fords head nuts except v-60...
Open end should be 1 1/8 for the original plugs. Most aftermarke A-B plugs are smaller hex than the originals, and most actually fit the '33 V8 wrench. (head nuts 11/16, Ford book specs the hex wrench a tad loose at 45/64, still a lot smaller than you measure.) This is something odd, possibly modified? |
06-19-2014, 10:46 AM | #11 |
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Re: original spark plug wrench
Measured with digital caliper
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06-19-2014, 11:06 AM | #12 |
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Re: original spark plug wrench
And that should be too loose to actually use on the head nuts. Get another wrench...
Is plug end normal? |
06-19-2014, 11:16 AM | #13 |
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Re: original spark plug wrench
It is a shame. I only bought this to use on the spark plugs. I would use a regular rachet set on the head bolts if needed. But I figured this would be the spark plug wrench. What the heck size spark plug rachet would i need for Ford 4 cylinder Model A spark plugs or Model B 4 cylinder plugs? I am so confused. All I want was a way to remove my plugs!
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06-19-2014, 12:14 PM | #14 |
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Re: original spark plug wrench
The big end is for the spark plugs, what size is it?
Bob |
06-19-2014, 12:39 PM | #15 |
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Re: original spark plug wrench
1.154 in
Maybe this was the original size of the spark plugs on the 4 cyclinder engine. Last edited by FrankWest; 06-19-2014 at 02:27 PM. |
06-19-2014, 02:39 PM | #16 |
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Re: original spark plug wrench
I'll have to measure one at home, but I think 1.125 plus a little slop would be right.
It should fit original Champion C4's (number from memory, might be rong), which as far as I know are biggest hex carb around for a-B Fords. Other brands and modern replacements are generally smaller, usually the size of '33 V8 wrench, a few are stock size, I have never encountered one with larger than stock hex. Meanwhile, until you get a B-17017 wrench that is the size it is supposed to be, you can generally getemout using the Ford monkey wrench in your tool kit. |
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