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Old 06-12-2020, 10:17 PM   #1
Jack Shaft
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Default Can this be saved?



Picked up a pair of 59 AB's,both have water damage..this is the worst,yarded the head on the other side at it was nowhere near as bad,the one piston i could read has STD stamped in it,the bore does have a slight ridge.the second one isn't as bad either and shows a piston .020 over..neither decks look cut,and valve protrusion where I can tell doesn't look too bad.

the way I see it I can go as far as .100 over to clean up the bores,deck the block,cut or fit some new seats but Im new at saving something like this..what do you think?
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Old 06-12-2020, 10:28 PM   #2
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Default Re: Can this be saved?

Anything is possible ,you won't know for sure till it is torn down and cleaned ,inspected, magged , pressure tested , sonic tested , looks like it may not be cost effective any needed sleeves etc. may be cheaper to find another block, tear it down clean it and post some pics.
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Old 06-12-2020, 10:32 PM   #3
GB SISSON
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Default Re: Can this be saved?

Almost anything can be saved. Last year at the well attended Portland OR swapmeet I bought an excellent and clean 8ba block with all the internals in a box for 200 bucks. While trying to decide if the block for sale two booths down was truly a merc block with a 4" crank for 300.00, I let another buyer step in front and pick it up. Compared to MANY here, I'm a rank amature, having owned perhaps 20 flathead engines. Yes, that engine could be saved, but at what cost and why?
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Old 06-12-2020, 10:46 PM   #4
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Default Re: Can this be saved?

It's okay to walk away. Stand still long enough and have patience and look. When it's in front of you, buy it. Even then... you will have to do something else to fix it.


Better options then that one. In the long run you are better calling someone like H&h and have them send you a short block. Or any one other.

Last edited by Tinker; 06-12-2020 at 10:51 PM.
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Old 06-12-2020, 10:54 PM   #5
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Default Re: Can this be saved?

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Originally Posted by GB SISSON View Post
. decide if it was truly a merc block.....

There's NO decision to be made. There is NO differentiation between a '49-'53 Ford or Merc block, save for the paint color applied at the assembly plant! The crankshaft, pistons and other bolt-on components determine either Ford, or Mercury engine identity. BLOCKS ARE IDENTICAL! DD
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Old 06-12-2020, 10:58 PM   #6
Jack Shaft
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I picked both of them up with a 359SU edelbrock 3x2 intake with 3 97's and an edmunds 8BA 2x2 intake with two 94's,I mess around with bangers some,and for what I paid for the carbs alone I basically got the engines for free. But it appears even with doing my own assembly and valve seat cutting with what you're saying is it still might not pencil out?
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Old 06-12-2020, 11:03 PM   #7
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Have at it! Sounds like a fun project and you know what your doing. Seriously, do it.
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Old 06-12-2020, 11:36 PM   #8
Jack Shaft
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Default Re: Can this be saved?

Thats where I'm at sir, Ive seen enough so far to warrant disassembly.If it continues to show promise my aim is a good running stock engine with a little added fuel and exhaust work,nothing special.I do my own water jacket cleaning and crack inspection with dye penetrant.If it goes well the only thing Ill farm out is the bore and deck work..got about fifty "If's" before I get there.
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Old 06-13-2020, 12:34 AM   #9
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Default Re: Can this be saved?

Well that is how it goes. It could be flathead 1 or flathead 100, it's still really about that one. I hope it goes well, at least the very least it will be a learning process and at the very best it will be a runner. Have some fun!

Last edited by Tinker; 06-13-2020 at 01:14 AM.
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Old 06-13-2020, 12:15 PM   #10
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Default Re: Can this be saved?

So, Jack, seems like it does "pencil" out, given the other good stuff you picked up in the lot. The challenge and the learning process also have a lot of value!!
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Old 06-13-2020, 12:26 PM   #11
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Default Re: Can this be saved?

Wonder how thin the water jackets are now after being subjected to years of rust?

I think it's a "goner".
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Old 06-13-2020, 12:28 PM   #12
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Default Re: Can this be saved?

Judging from the picture. I would hazard a guess you will learn a lot just by taking it apart.
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Old 06-13-2020, 01:26 PM   #13
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Default Re: Can this be saved?

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Originally Posted by V8COOPMAN View Post
There's NO decision to be made. There is NO differentiation between a '49-'53 Ford or Merc block, save for the paint color applied at the assembly plant! The crankshaft, pistons and other bolt-on components determine either Ford, or Mercury engine identity. BLOCKS ARE IDENTICAL! DD
I understand that.... The cardboard sign said 51 merc engine. It was a complete disassembled engine. I tried to judge if the crank was 4" stroke by doing some off the cuff measuring and while I was trying to figure it out, somebody else stepped up to the plate and struck a deal.
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Old 06-13-2020, 06:20 PM   #14
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Default Re: Can this be saved?

The block might be good, but removing the pistons will be the biggest challenge. Beating them out with a hammer will deffinately crack the cylinders. I ur off the roda with a torch uae a 3| hole saw to cut the top of the pistons off and then use a chisel to brake up the piston. Usuall takes a couple days, no short cuts. Then have it tested The cylinders can be bored 1/8 oversize to save the block. Good luck.
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Old 06-14-2020, 01:39 AM   #15
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Default Re: Can this be saved?

I've not done it but, you might try to find a REAL hot tank and have them soak it, over night. The Sodium hydroxide, also known as lye and caustic soda, should eat the piston, until only the rod is left. Or, you could try buying some lye and soaking the block in a 55 gallon drum. You have to research the mixture, I used to know it but, have forgotten it.
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Old 06-14-2020, 09:41 AM   #16
Jack Shaft
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Default Re: Can this be saved?

Thinking Ill try a hole saw first,get one that is just smaller than the inside of the piston skirt hopefully weaken it enough.No big hammer stuff,more like surgery.Next order is to run up an engine stand bracket and start pulling them down,just got this on the road so shop time is freeing up some..thanks for all the advice,will post up as it moves along..

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Old 06-14-2020, 11:44 AM   #17
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Default Re: Can this be saved?

Jack Shaft... Cute A-Bone! I like the "look" of those tires, too. Any details, or maybe a closer pic? Are those 16s? Thanks! DD
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Old 06-14-2020, 02:04 PM   #18
Jack Shaft
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Default Re: Can this be saved?



215/70 16 rear,20/55 16 front,cheapo amazon/bangkok skins,53 bucks a piece..on blasted,etched and rustoleumed ford wires..just a homemade hotrod,nothing special. paint? bobcat skid steer charcoal acrylic enamel,out here in the peoples republic its illegal to sell,found 4 quarts premixed in the back of the parts room at work..20 bucks a quart..
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Old 06-14-2020, 02:10 PM   #19
Jack Shaft
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Default Re: Can this be saved?

Another question,on model a's ford script on castings means its a 'service' casting,generally not made at the Rouge..the heads on this engine have ford script,so do the water pumps..it was painted powder blue,and it appears its been sleeved back to STD,you can see the sleeve ridges and the marked piston has N-STD in big letters...Ford didnt mark pistons STD,only oversize that I know of,but once again Im speaking model a..Ill post up some pictures,but it appears the plot thickens..
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Old 06-14-2020, 02:20 PM   #20
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Out here in the peoples republic its illegal to sell.

Can I assume you're stuck in Quackafornia? Thank you for the info! DD
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