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04-25-2018, 04:20 PM | #41 | |
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Join Date: May 2010
Location: South California
Posts: 6,188
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Re: How much better is a B block than an A?
Quote:
Hey brett, Sounds like you are getting a handle on moving forward thru knowledge. A note about your original question. Everyone has an opinion, and they are entitled to that, IMV ! My experience is that hearsay is too often used to distract from fact/truth,eh. Myself, I only use B blocks for the same reasons they were made by Ford instead of continuing A blocks. I spoke with a very senior member here, who told me that he has done experimentation with A and B blocks, i.e.- 'cutting them up' to examine them to prove or disprove 'old wives tales' about block differences/deck thickness, etc. He says that he did not find evidence to support the tooo often repeated myths of differing block thickness. Now, understanding that most existing 80 some year old A/B blocks have gone thru use doing their existence, it would be common sense that HOW such blocks were used/abused , is a major factor in their cast iron thickness. It is also a fact, that BOTH blocks crack. Freeze cracks; improper storage abuse rusting away; overheating cracks; foundry flaws and whatever the cause/effect. Some time ago, I went to a 'rebuilder' of A/B engines. I had two A blocks. He took one as a core and knocked the side out of the other with a hammer. He took the BO block out back and placed it on a pile of about 50+ blocks (scrap metal). Most of what I say and what he advised were A blocks, I bought a nos Russian B block from him and we proceeded from there. What does that tell you ? Doesn't tell me a darn thing, but that scrap iron was cheap per 100wt. Finally, there are guys here/otherwise who I have tried to learn from, who ONLY use B blocks..ever. What does that tell you (insert smiley quizzical face here) ! Your choice, your money. |
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04-25-2018, 11:10 PM | #42 | |
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Join Date: May 2010
Location: Camarillo, CA and Pine Grove, CA
Posts: 2,830
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Re: How much better is a B block than an A?
Quote:
If the new block was made correctly no one would know it was new.
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04-26-2018, 11:10 PM | #43 | |
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Join Date: Jul 2012
Location: Australia/USA/EU/Soviet Russia
Posts: 1,105
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Re: How much better is a B block than an A?
Quote:
How heavy is a B short block with no internals? Air cargo on Aeroflot to JFK could be an option.
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04-29-2018, 11:09 PM | #44 |
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Join Date: Jul 2012
Location: Australia/USA/EU/Soviet Russia
Posts: 1,105
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Re: How much better is a B block than an A?
Here's one for sale from last year for 20,000 rubles :
http://cars.rare.su/2017/03/11/%d0%b...-%d0%b0%d0%b0/
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04-30-2018, 10:00 AM | #45 | |
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Join Date: May 2010
Location: Bucks Co, Pa
Posts: 3,740
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Re: How much better is a B block than an A?
So what did it actually sell for?
What does "Prodaga" mean? So many words in Russian begin with "Pro". It is a pretty complete (Magneto) GAZ AA engine, What "gody"is it ? Before the war or after? Twenty thousand of anything for a GAZ engine sounds like optomistic dreaming! Sosibo, Terry Quote:
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04-30-2018, 09:43 PM | #46 | |
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Join Date: Jul 2012
Location: Australia/USA/EU/Soviet Russia
Posts: 1,105
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Re: How much better is a B block than an A?
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Quote:
GAZ AA MOTOR! AMERICA! DOLLARS!!!
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05-01-2018, 06:43 AM | #47 |
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Join Date: May 2010
Location: Bucks Co, Pa
Posts: 3,740
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Re: How much better is a B block than an A?
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12-04-2019, 01:52 PM | #48 |
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Join Date: Apr 2015
Location: Saint Cloud Mn
Posts: 745
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Re: How much better is a B block than an A?
Use the "B" block as a lawn ornament and spend the money elsewhere.
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12-08-2019, 11:46 AM | #49 |
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Join Date: May 2010
Location: Fayetteville, Georgia
Posts: 467
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Re: How much better is a B block than an A?
I am currently running a B block in my '29 Town Sedan, but if I had it to do over, I would go with an A block with inserts and a counter-balanced crank. Years ago when I acquired this B block, I had selected it because of the heavier and counter-balanced crank. Those improvements are now available for A engines. Given the updated A engine components now available, I would go with an A engine over a B, if for no other reason than to keep your car more original. From a driving perspective, I can't tell much difference (if any) between the B engine and an A engine. By the way, I still have the matching numbers engine that came with my Town Sedan, and will rebuild it when the B engine begins to show signs of "need". Hope this helps.
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12-09-2019, 12:03 PM | #50 |
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Join Date: Jun 2010
Location: Temecula, CA
Posts: 4,066
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Re: How much better is a B block than an A?
The crank in Brett's engine is a BB, the heavy counterweights were installed by official Ford rebuilders, never from the factory. Reducing bearing diameters takes away some of the rigidity of the B, BB and C cranks, one of the main improvements over the A engine. A rods are smaller in I.D. than B's, so even less rigidity. I'd go with the B block, even if a small amount of cracks need repairing. Terry Burtz is also working on a new block, with 5 main bearings, full pressure, and other improvements. It will be very nice!!!
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