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01-25-2019, 04:31 PM | #1 |
Member
Join Date: Dec 2018
Location: Mendon NY, 10 miles S of Rochester
Posts: 30
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Old or newer 8BA?
I have a '52 F-6 dump truck with a cracked block. I have found some flathead blocks from the earlier vintage '39-'48 with the center water outlet in the heads. Will I be giving up anything in performance and or bolt-up-ability to my T-9 transmission or motor mounts? The water pumps are the motor mounts now. I don't know much about the differences other than the water flows are different and - not as good?
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01-25-2019, 07:46 PM | #2 |
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Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
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Re: Old or newer 8BA?
One difference is the bellhousing setup. The early blocks had what is sometimes referred to as a half-bell cast into the block. So a different bellhousing (the half type) would be required. Another difference is the distributor, front mounted vs side mounted. Although the front of the blocks are basically the same so you could switch the front covers.
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01-25-2019, 07:59 PM | #3 |
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Join Date: Dec 2015
Posts: 287
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Re: Old or newer 8BA?
You will save yourself a lot of trouble if you can find another 8BA engine.
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01-25-2019, 10:35 PM | #4 | |
Member
Join Date: Dec 2018
Location: Mendon NY, 10 miles S of Rochester
Posts: 30
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Re: Old or newer 8BA?
Quote:
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01-25-2019, 10:50 PM | #5 |
Senior Member
Join Date: May 2010
Location: now Kuna, Idaho
Posts: 3,779
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Re: Old or newer 8BA?
If it has a bolt-on bellhousing, it is an 8BA. The heads could have been swapped for some reason, as could the ignition. But you can't change from the cast in, integral bellhousing to a bolt-on bellhousing.
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01-26-2019, 07:02 AM | #6 |
Member
Join Date: Dec 2018
Location: Mendon NY, 10 miles S of Rochester
Posts: 30
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Re: Old or newer 8BA?
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01-26-2019, 07:55 AM | #7 |
Senior Member
Join Date: Sep 2013
Location: Dighton, Mass
Posts: 1,230
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Re: Old or newer 8BA?
If this helps. While doing a total rebuild on my 1946 car engine which would be 1942 thru
1948 239CI so we slid a 1953 EAB basically a 8BA also a fresh rebuild so I'd have daily wheels. The EAB was in a F6. I did nothing to the clutch found to be the F6 T9 spline same as my car . Only thing was I had to get top radiator hoses. Thats all. Hardest thing was putting the hood back on. I did use my 1946 59A exhaust manifolds on the EBA. I even bought high buck 6volt power master for the EBA. The results were for me disappointing, the 53 EAB had no where the snap of the 59A? likely the 11 clutch. Well finally finished the 59A last winter & put it back in the car. This is my only wheels and it will give you whip lash. May have a 1000 miles on it , and getting better and better. I am only out the cost of the alternator (won't fit a 59A) engine. EAB went back on the shelf. As you asked, the change. 1948 trucks got the new 8RT while cars used the 59A's. By 1949 all cars and trucks used 8BA car 8RT truck engines. Back in my oval track racing days nobody ran 8BAs all were 59's floating bearing 239cI engines: why I'll never know but 59's kicked. Ain't that right Ole Ron..................sam Here is a genuine 1953 EAB that went into my 46 Super Deluxe |
01-26-2019, 04:48 PM | #8 |
Member
Join Date: Dec 2018
Location: Mendon NY, 10 miles S of Rochester
Posts: 30
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Re: Old or newer 8BA?
That is a nice looking motor. Interesting viewpoint on power. I don't think my dump truck will see any difference in motors. I found a '52 truck motor that I think I'll use.
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01-27-2019, 03:59 AM | #9 |
Senior Member
Join Date: Sep 2013
Location: Dighton, Mass
Posts: 1,230
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Re: Old or newer 8BA?
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01-27-2019, 01:48 PM | #10 |
Member
Join Date: Dec 2018
Location: Mendon NY, 10 miles S of Rochester
Posts: 30
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Re: Old or newer 8BA?
What did you paint that engine with? If it looks 1/2 that good after its run it would be awesome.
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02-04-2019, 06:56 PM | #11 |
Member
Join Date: Dec 2018
Location: Mendon NY, 10 miles S of Rochester
Posts: 30
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Re: Old or newer 8BA?
Thanks to all of you offering motors. I have purchased a motor and should be all set.
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