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Dodge - Plymouth 230 Flathead 6 Cylinder Engine

The Dodge 230 inline six engine was first introduced for the 1942 model year and was a continuation of the popular Chrysler flathead 6 series that were first produced in 1933. Chrysler then decided to put all auto manufacturing for the public on hold from 1943 to 1945 as it was busy building trucks and other military equipment during World War II. In 1946 the 230 inline six appeared again in the Dodge lineup and was the only engine that would be used in their automobiles until 1953 when the Dodge 241 came into production.

The 230 inline six continued in the Dodge and Plymouth lineup until the end of 1959 when it was replaced by the Dodge 225 slant six. Like most of the older Chrysler 6 cylinder engines, the 230 was for the most part very reliable even though the horsepower was extremely low.


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Comment Script

Comments

what engine do I have
T112*85392* is stamped on the block
#12 - Larry Moses - 07/13/2016 - 20:34
230 flathead question
Any idea if 125 lbs. per sq. inch is good compression for a Dodge flathead six?
Thanks!
#11 - john - 05/21/2016 - 05:16
Gearhead. What is the engine # for 241
I just purchased what I believe to be a 1953 Dodge Flatbed with a engine # starting with N and ends in CAL, so is N=Norwood and CAL=California. Furthermore, how can I find the difference between the 230 and 241?
#10 - Stonewall - 03/07/2016 - 16:26
Need some help installing a distributor in a 228 Pontiac flathead 6 to my 1940 pontiac
#9 - Jim Wheeler - 01/19/2016 - 14:59
what motor is this
Motor and trans. was changed, now I need to know what motor I have in a 1949 CLC. the number is M230*T47372*. A lot of the parts are missing but I can say the trans. does not have all the controls on the side of it but it has a torque converter on the motor. Thanks for any help you can give me. Brooks
#8 - Brooks Huskey - 12/29/2015 - 16:27
checking and changin the oil in a 1947 dodge truck
I just purchased a 1947 1/2 ton Dodge truck. How do I check and change the oil?
Thank you
#7 - kevin brown - 08/03/2015 - 13:58
What groove does the cast iron oil ring go into on a 1952 230 L head 6?
#6 - Ted Kogianes - 08/14/2013 - 13:03
difference from dodge truch 218 cylinder to 230 6 cylinder flat head
#5 - travis - 08/14/2012 - 21:45
how much
Hello everyone i have the same motor and everything... how much do you think one rebuilt is worth? thanks
#4 - Nick - 03/09/2012 - 14:44
rotation and #1 postion please
#3 - Billy Willard - 12/22/2011 - 08:44
flathead 6 need help
I have a flathead 6. casting number 186614-2. Also has P-2-26 and D8672i. cant find what it is year, make, model etc.
#2 - Andrew - 12/20/2011 - 16:27
I have a 230ci flathead 6 cylinder dodge
T-245 series and need to know what year it was made or what in the serial number might tell me. Thanks
#1 - Ray-J - 09/21/2011 - 15:00
I need the same info.
#0 - Ben - 09/20/2011 - 16:04
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Engine Specifications

1950 - 1953 with 1 Barrel Carb
Max Brake Horsepower - 103 @ 3600 rpm
Max Torque - 190 @ 1200 rpm
Stroke - 4.625
Bore - 3.25
Compression - 7.0
Firing Order - 153624

1954 with 1 Barrel Carb
Max Brake Horsepower - 110 @ 3600 rpm
Max Torque - 190 @ 1600 rpm
Stroke - 4.625
Bore - 3.25
Compression - 7.25
Firing Order - 153624

1955 with 1 Barrel Carb
Max Brake Horsepower - 123 @ 3600 rpm
Max Torque - 194 @ 1600 rpm
Stroke - 4.625
Bore - 3.25
Compression - 7.4
Firing Order - 153624

1956 with 1 Barrel Carb
Max Brake Horsepower - 131 @ 3800 rpm
Max Torque - 203 @ 2000 rpm
Stroke - 4.625
Bore - 3.25
Compression - 7.6
Firing Order - 153624

1957 - 1958 with 1 Barrel Carb
Max Brake Horsepower - 138 @ 4000 rpm
Max Torque - 208 @ 1600 rpm
Stroke - 4.625
Bore - 3.25
Compression - 8.0
Firing Order - 153624

1959 with 1 Barrel Carb
Max Brake Horsepower - 135 @ 3600 rpm
Max Torque - 205 @ 1200 rpm
Stroke - 4.625
Bore - 3.25
Compression - 8.0
Firing Order - 153624