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Old 08-27-2013, 05:34 PM   #1
Walt Dupont--Me.
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Default One of Walt's last couple of engines

Everybody likes to see pic. I can't read but I can look at pic. This one of those odd ball 59 blocks with the 3-1/16 bore. Before I started on this engine I was going to bore to 3-5/16, BUT, when I realized it was only 3-1/16 I didn't want to bore 1/4in. so I just went to 3-3/16, 4in. crank. Max-1 cam, aluminum flywheel, heads and dual carbs. all balanced. This is going in a 37 convertible sedan. I'll post another in a min. Walt
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Old 08-27-2013, 05:48 PM   #2
Royal Ryser
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Default Re: One of Walt's last couple of engines

Walt, what is oddball about a 3 1/6" bore in a 59 block? That's what I have in my 36.
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Old 08-27-2013, 05:55 PM   #3
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Default Re: One of Walt's last couple of engines

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Walt, what is oddball about a 3 1/6" bore in a 59 block? That's what I have in my 36.
All Ford engines from 32-41 were 3-1/16 bore, in 46 they went to the 59 series block and 3-3/16 bore, about every 5 years I run into one of the 59 blocks with 3-1/16 bore, I guess most figure they are factory replace blocks for 39-41 cars. Walt
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Old 08-27-2013, 06:00 PM   #4
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Default Re: One of Walt's last couple of engines

A thing of beauty!

Is the cam gear painted white?
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Old 08-27-2013, 06:08 PM   #5
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Default Re: One of Walt's last couple of engines

The late parts book refers to them as the 41A and they were a replacement block for the 221 engines starting during the war and likely sometime in 1944 when the government started to allow more spares for civilian products. They have the 59 casting on the back just like the 59A but less bore. They are impossible to detect among the 59 series unless you mike out the bores.
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Old 08-27-2013, 06:19 PM   #6
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Default Re: One of Walt's last couple of engines

Good looking engine...
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Old 08-27-2013, 06:20 PM   #7
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Default Re: One of Walt's last couple of engines

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A thing of beauty!

Is the cam gear painted white?
Hey Ross, I had the cam gear chrome plated so when the next guy strips it he'll say, what to hell, lol not really, I just had the flash to close the engine. Walt
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Old 08-27-2013, 06:20 PM   #8
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Default Re: One of Walt's last couple of engines

Hey Walt -
Be sure to remove those red Bondo guards before you light it up!
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Everybody likes to see pic. I can't read but I can look at pic. This one of those odd ball 59 blocks with the 3-1/16 bore. Before I started on this engine I was going to bore to 3-5/16, BUT, when I realized it was only 3-1/16 I didn't want to bore 1/4in. so I just went to 3-3/16, 4in. crank. Max-1 cam, aluminum flywheel, heads and dual carbs. all balanced. This is going in a 37 convertible sedan. I'll post another in a min. Walt
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Old 08-27-2013, 06:27 PM   #9
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Default Re: One of Walt's last couple of engines

Walt,
Looks like a sweetie. Be sure and post when you run it on your test stand. Quick question: some talk on the Barn recently on valves. I know you grind the stems with solid lifters but what valves do you use and are they separate intake and exhaust or do you use the same valve for both?
Thanks
John

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Old 08-27-2013, 06:27 PM   #10
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Default Re: One of Walt's last couple of engines

Hey Max, I thought those 97 was running rich, so I was supposed to remove them those covers? LOL. Those are mad max carbs, you don't even have to adjust them when he gets through with them. Your the man on 97's. Walt
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Old 08-27-2013, 06:42 PM   #11
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Default Re: One of Walt's last couple of engines

Whur-kin ah git me wun-dem krome timin' gee-urz?
Prolly gud fer uh-nuther tee-yun horse-par.

Great looking engine Walt. You da man too.
Why the heck you gotta be in Maine?...
I guess it keeps guys like me from "dropping by".
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Old 08-27-2013, 07:10 PM   #12
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Default Re: One of Walt's last couple of engines

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The late parts book refers to them as the 41A and they were a replacement block for the 221 engines starting during the war and likely sometime in 1944 when the government started to allow more spares for civilian products. They have the 59 casting on the back just like the 59A but less bore. They are impossible to detect among the 59 series unless you mike out the bores.
They come in various configurations. I have one that has the voided area under the valve ports (like pre-war) and passes the pencil test at the front of the block and has a 59 mark. I think Ford was in such a hurry to fill the demand to get worn out car running after the war that they quickly modified existing molds the produce some replacement blocks.
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Old 08-27-2013, 07:17 PM   #13
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Default Re: One of Walt's last couple of engines

Looked at buying a 59L block until I measured the bore and found out it was only 3 1/6th.
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Old 08-27-2013, 07:32 PM   #14
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Default Re: One of Walt's last couple of engines

Oohhh can I have one of those!
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Old 08-27-2013, 07:33 PM   #15
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Default Re: One of Walt's last couple of engines

Walt,I like the pictures,Skip should have the water pumps to you by 9/3/13.When I was there last week I did not notice the generator offset bracket being on, looks good.See ya thursday,8/29/13 in the afternoon.Take care see ya soon.E.P.W.
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Old 08-27-2013, 08:35 PM   #16
Walt Dupont--Me.
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Default Re: One of Walt's last couple of engines

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Walt,I like the pictures,Skip should have the water pumps to you by 9/3/13.When I was there last week I did not notice the generator offset bracket being on, looks good.See ya thursday,8/29/13 in the afternoon.Take care see ya soon.E.P.W.
Hey Ed. can't wait to see that 34 roadster your bringing up Thur. Hope the rain holds off. Walt
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Old 08-27-2013, 11:24 PM   #17
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Default Re: One of Walt's last couple of engines

Nice work. I pulled the 81A out of my 38 sedan and dropped a 59 block in. I traded a sand rail for it, and it was formerly in a marine application down in California somewhere. My 59 block has been bored and is running 49 mercury heads (I think). That's about all I know about it. The trade was risky, but it has good oil pressure and no apparent problems so far. It ain't as purdy as yours though.
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Old 08-28-2013, 07:38 AM   #18
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Default Re: One of Walt's last couple of engines

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Nice work. I pulled the 81A out of my 38 sedan and dropped a 59 block in. I traded a sand rail for it, and it was formerly in a marine application down in California somewhere. My 59 block has been bored and is running 49 mercury heads (I think). That's about all I know about it. The trade was risky, but it has good oil pressure and no apparent problems so far. It ain't as purdy as yours though.
I'm sure your engine runs good Fred but I wouldn't run those 49 Merc heads. They have big combustion chambers and drop the compression. If you want that style heads you should run 52-53 EAB car heads. They have smaller chambers. You'll notice a big difference. Walt
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