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340 block id'ing help #606634 02/07/10 01:40 AM 02/07/10 01:40 AM
Joined: Jan 2003 Posts: 969 mopar country O omnicrazy OP super stock
omnicrazy OP super stock O Joined: Jan 2003 Posts: 969 mopar country	I am trying to id two 340 blocks I have but am confused. Some of the stamping are very hard to read. cast date 9-10-68 number in pass side of oil pan rail= BH29P9R162347 number on drivers side below head= FW340P26220125 Second block: cast date 2-11-72 number on oil pan rail= 2P453085 Number below head= HM340R39538015 Question 1) Why is there a difference in the number of digits by the oil pan? Question 2) Is there a direct connection between the numbers by the head and oil pan? I have been trying to figure it out in the little white numbers books but I am so confused. Any help would be great

Re: 340 block id'ing help [Re: omnicrazy] #606635 02/07/10 01:50 AM 02/07/10 01:50 AM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington	cast date 9-10-68 number in pass side of oil pan rail= BH29P9R162347 number on drivers side below head= FW340P26220125 F=1970 Series model year engine (I'm betting it's an E which =1969) W = Windsor Plant 340 = Cubic inches P = Premium Fuel 2622 = October 1, 1969 Assembly date 125 = Sequence assembled Second block: cast date 2-11-72 number on oil pan rail= 2P453085 Number below head= HM340R39538015 H = 1972 series model year engine M = Marysville Plant 340 = Cubic Inches R = Regular Fuel 3953 = Assembly date = May 24, 1972 assembly date 8015 Assembly sequence The difference in the VIN# on the oil pan rail is simple, in some 1969 vehicles (in this case a 69 Barracuda) the full VIN# is stamped there. In the later years they abreviated the VIN#.

Re: 340 block id'ing help [Re: ScottSmith_Harms] #606636 02/07/10 01:54 AM 02/07/10 01:54 AM
Joined: Jan 2003 Posts: 969 mopar country O omnicrazy OP super stock
omnicrazy OP super stock O Joined: Jan 2003 Posts: 969 mopar country	Thanks Quote: cast date 9-10-68 number in pass side of oil pan rail= BH29P9R162347 number on drivers side below head= FW340P26220125 F=1970 Series model year engine (I'm betting it's an E which =1969) W = Windsor Plant 340 = Cubic inches P = Premium Fuel 2622 = October 1, 1969 Assembly date 125 = Sequence assembled Second block: cast date 2-11-72 number on oil pan rail= 2P453085 Number below head= HM340R39538015 H = 1972 series model year engine M = Marysville Plant 340 = Cubic Inches R = Regular Fuel 3953 = Assembly date = May 24, 1972 assembly date 8015 Assembly sequence Now that I look at it is an E Can you tell what car they came in? Next stupid question why would one need premium fuel?

Re: 340 block id'ing help [Re: omnicrazy] #606637 02/07/10 01:56 AM 02/07/10 01:56 AM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington	Check my plant info on the second one, I made a correction. In 1972 they dropped the compression ratio which allowed the use of Regular fuel, previous years had higher compression requiring premium.

Re: 340 block id'ing help [Re: ScottSmith_Harms] #606638 02/07/10 01:58 AM 02/07/10 01:58 AM
Joined: Jan 2003 Posts: 969 mopar country O omnicrazy OP super stock
omnicrazy OP super stock O Joined: Jan 2003 Posts: 969 mopar country	Thanks I am slooooowwwly figuring this stuff out

Re: 340 block id'ing help [Re: omnicrazy] #606639 02/07/10 01:58 AM 02/07/10 01:58 AM
Joined: Jan 2003 Posts: 29,654 Hamtramck, PA A Alaskan_TA Fluffy Balladeer
Alaskan_TA Fluffy Balladeer A Joined: Jan 2003 Posts: 29,654 Hamtramck, PA	The older engines had higher a higher compression so Premium fuel was reccomended.

Re: 340 block id'ing help [Re: ScottSmith_Harms] #606640 02/07/10 02:01 AM 02/07/10 02:01 AM
Joined: Jan 2003 Posts: 969 mopar country O omnicrazy OP super stock
omnicrazy OP super stock O Joined: Jan 2003 Posts: 969 mopar country	So there is really no way to know what car the 72 came in since it only had a partial vin right? (unless you had the vin of the car)

Re: 340 block id'ing help [Re: omnicrazy] #606641 02/07/10 02:02 AM 02/07/10 02:02 AM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington	That's correct

Re: 340 block id'ing help [Re: ScottSmith_Harms] #606642 02/07/10 02:03 AM 02/07/10 02:03 AM
Joined: Jan 2003 Posts: 969 mopar country O omnicrazy OP super stock
omnicrazy OP super stock O Joined: Jan 2003 Posts: 969 mopar country	Thanks again

Re: 340 block id'ing help [Re: ScottSmith_Harms] #606643 02/07/10 02:03 AM 02/07/10 02:03 AM
Joined: Jan 2003 Posts: 29,654 Hamtramck, PA A Alaskan_TA Fluffy Balladeer
Alaskan_TA Fluffy Balladeer A Joined: Jan 2003 Posts: 29,654 Hamtramck, PA	Quote: BH29P9R162347 Could this be BH29P9B162347 ? Also, for the engine serial numbers (not to be confused with the VIN) you can check the TSBs. The TSBs that deal with the engine numbers are always in Chapter 25 & normally one of the first ones in the chapter; http://www.hamtramck-historical.com/library.shtml

Re: 340 block id'ing help [Re: omnicrazy] #606644 02/07/10 02:09 AM 02/07/10 02:09 AM
Joined: Jan 2003 Posts: 29,654 Hamtramck, PA A Alaskan_TA Fluffy Balladeer
Alaskan_TA Fluffy Balladeer A Joined: Jan 2003 Posts: 29,654 Hamtramck, PA	Quote: So there is really no way to know what car the 72 came in since it only had a partial vin right? (unless you had the vin of the car) It depends. In a lot of cases I can tell what they came from for 1970 Hamtramck VINs. (as you know already) 1972, not so much, but I do not collect data on them. If someone did though..... That said, is this; Quote: 2P453085 2B 453085 or 2R 453085? P is right out.

Re: 340 block id'ing help [Re: Alaskan_TA] #606645 02/07/10 02:20 AM 02/07/10 02:20 AM
Joined: Jan 2003 Posts: 969 mopar country O omnicrazy OP super stock
omnicrazy OP super stock O Joined: Jan 2003 Posts: 969 mopar country	could be a B instead of R what would the difference be? like I said the stampings are very hard to read

Re: 340 block id'ing help [Re: Alaskan_TA] #606646 02/07/10 02:21 AM 02/07/10 02:21 AM
Joined: Jan 2003 Posts: 969 mopar country O omnicrazy OP super stock
omnicrazy OP super stock O Joined: Jan 2003 Posts: 969 mopar country	That said, is this; Quote: 2P453085 2B 453085 or 2R 453085? P is right out. I am confused about what you're asking or telling me

Re: 340 block id'ing help [Re: omnicrazy] #606647 02/07/10 02:25 AM 02/07/10 02:25 AM
Joined: Jan 2003 Posts: 969 mopar country O omnicrazy OP super stock
omnicrazy OP super stock O Joined: Jan 2003 Posts: 969 mopar country	but wouldn't itt make sense that the assmbly and casting place were windsor?

Re: 340 block id'ing help [Re: omnicrazy] #606648 02/07/10 02:26 AM 02/07/10 02:26 AM
Joined: Jan 2003 Posts: 29,654 Hamtramck, PA A Alaskan_TA Fluffy Balladeer
Alaskan_TA Fluffy Balladeer A Joined: Jan 2003 Posts: 29,654 Hamtramck, PA	Sorry. P is not a valid plant code, so could the second digit be a B or an R?

Re: 340 block id'ing help [Re: Alaskan_TA] #606649 02/07/10 02:28 AM 02/07/10 02:28 AM
Joined: Jan 2003 Posts: 969 mopar country O omnicrazy OP super stock
omnicrazy OP super stock O Joined: Jan 2003 Posts: 969 mopar country	I think I am half blind most of the time I will have my wife look at the numbers tomorrow.

Re: 340 block id'ing help [Re: Alaskan_TA] #606650 02/07/10 02:29 AM 02/07/10 02:29 AM
Joined: Jan 2003 Posts: 29,654 Hamtramck, PA A Alaskan_TA Fluffy Balladeer
Alaskan_TA Fluffy Balladeer A Joined: Jan 2003 Posts: 29,654 Hamtramck, PA	Windsor had a car plant as well an an engine plant. The Windsor engine plant made the 340s for Hamtramck.

Re: 340 block id'ing help [Re: Alaskan_TA] #606651 02/07/10 02:30 AM 02/07/10 02:30 AM
Joined: Jan 2003 Posts: 29,654 Hamtramck, PA A Alaskan_TA Fluffy Balladeer
Alaskan_TA Fluffy Balladeer A Joined: Jan 2003 Posts: 29,654 Hamtramck, PA	Clear, close up photos would help.

Re: 340 block id'ing help [Re: Alaskan_TA] #606652 02/07/10 02:30 AM 02/07/10 02:30 AM
Joined: Jan 2003 Posts: 969 mopar country O omnicrazy OP super stock
omnicrazy OP super stock O Joined: Jan 2003 Posts: 969 mopar country	Quote: Sorry. P is not a valid plant code, so could the second digit be a B or an R? P could mean export right? I am not saying that is a P for sure but the data I got from the year one website says that the P is export. Like I said I am all confused but I am learnin

Re: 340 block id'ing help [Re: Alaskan_TA] #606653 02/07/10 02:31 AM 02/07/10 02:31 AM
Joined: Jan 2003 Posts: 969 mopar country O omnicrazy OP super stock
omnicrazy OP super stock O Joined: Jan 2003 Posts: 969 mopar country	Quote: Clear, close up photos would help. I will try that tomorrow too

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