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#1 |
Senior Member
Join Date: Jul 2011
Location: Duluth MN
Posts: 594
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Top of bell is marked 59L and the heads are 59A what do you guys think?
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#2 |
Senior Member
Join Date: Nov 2010
Location: Lancaster PA
Posts: 537
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I pulled a 59L block out of a 47 or 48 big truck, I believed it to be the original engine. I don't know what the heads were marked.
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#3 |
Senior Member
Join Date: Jun 2010
Location: Detroit suburb, MI
Posts: 3,715
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I am far from an expert, but from reading other posts, I would guess that's a '41 thru '48 style Ford flathead V8.
Sal |
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#4 |
Senior Member
Join Date: May 2010
Location: WA state
Posts: 771
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In my experience 59L blocks were often put in 1946-47 big trucks and usually had the factory relief between the valves and the cylinders.
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#5 |
Senior Member
Join Date: Jan 2011
Location: Central Ohio
Posts: 5,257
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I agree with Barn Junk - most that I've seen are factory relieved and came from trucks. It is really not any different or thicker than a 59AB style block - except for the factory relief area (regardless of the old wives tales).
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#6 |
Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,534
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#7 |
Senior Member
Join Date: May 2010
Location: Southern Illinois
Posts: 3,833
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I think it's pretty common to see a lot of mixing and matching of flathead engine components on an engine. I also agree with BarnJunk. Pull the heads and see what you find. That will tell us a lot more. I always like opening one of these engines up. It's like unwrapping a present or opening a time capsule. You get to see the size of the bore, if the pistons and valves have ever been replaced and the condition of the cylinder walls tell you a lot about the engines life.
Last edited by Seth Swoboda; 06-06-2017 at 09:43 AM. |
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#8 |
Senior Member
Join Date: Jul 2011
Location: Duluth MN
Posts: 594
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Pulled the heads here's the view, did a rough cylinder measurement, inside caliper and tape measure and the bore looks to be a bit under 3 1/4 inch, no cylinder ridge either but it is stuck.
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#9 |
Senior Member
Join Date: May 2010
Location: Northern Neck, VA
Posts: 131
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Picture shows the factory relief that is often seen on 59L blocks. Supposedly these were for truck applications. Bore is probably some oversize re-bore of 3-3/16. Are the pistons marked ".060" or other oversize marking?
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#10 |
Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,534
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If it's only .60" over size and not too pitted in the bore, there should be plenty of meat left for going further oversize. 3 5/16 is possible but I'd get the block pressure tested and cylinders sonic tested before spending much money for machine work.
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#11 |
Senior Member
Join Date: Jan 2011
Location: Central Ohio
Posts: 5,257
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Welcome to the world of taking apart stuck flatheads . . . becomes a nostalgic event after a few decades! LOL
D |
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#12 |
Senior Member
Join Date: Jul 2011
Location: Duluth MN
Posts: 594
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I cleaned off the top of a piston and looked closely with a magnifying glass and could not find any size stampings.
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#13 |
Senior Member
Join Date: Jul 2011
Location: Duluth MN
Posts: 594
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That engine is presently sitting in a 41 coupe, If you notice my profile pic. I have a 40 convert with a flat head that looks the same as this one however I could not find any stamping on top of the bell and the heads just have an A stamped on them no 59, what do I make of that?
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#14 |
Senior Member
Join Date: Jan 2011
Location: sw minnesota
Posts: 4,618
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the 59 blocks are post war. your 40, if its original will not have a 59 on it, only some numbers or letters that are foundry codes and have no meaning to us.
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#15 |
Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,534
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The Big A cast in the head was the 81A head used with the 221 CID engines in the late 30s & early 40s up to the beginning of WWII. It would be consistent with a 1940 85 HP 221 CID V8.
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#16 |
Senior Member
Join Date: Jul 2011
Location: Duluth MN
Posts: 594
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Well after another close inspection I did find a .030 marking on a piston.
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