I have a 1970 340 block and would like to find out what it was originally installed in.
The cast date is 8 or 9/5/70
The front of block stamp is P(or F)340 R32540012
Pan rail stamping is: 0B379684
Any help appreciated,Thanks,Ron

No way to tell without a full VIN

not true


it would've been a 340 Duster

is the VIN stamping easily readable? is it possibly 0B379634
I decoded a fender tag for someone??? ~7 years ago for VS29H0B379634

Dan's the man!...Again! I knew you would chime in,thanks!It is definitely an 8 in the VIN stamp,very clear. I'll try to post a pic next.

the stamp on the front of the block should be:

FW340P32540012

F = 1970 model year
W = Windsor, ONT engine assembly plant
340 = cu.in.
P = premium fuel
3254 = Thursday 6/25/70 engine assembly date
0012 = engine unit number

VS29H0B379684 would've been scheduled 6/12/70 - is the 3254 accurate? or the car was built LATE, LATE, LATE (missed by 13+ days)

Dan,I'm texting you pics of the numbers

You are correct,it is a P after the 340,not an R, Thx

I think Dan,6bblGT does a little reverse engineering and has a serious database built. Taking the VIN sequence vs the build plant/factory and cid,etc. as to what model was built where and when.

VINs were assigned in batches - since '70 Duster production was in excess of 200,000 units the Duster batches are in the 1,000 car neighborhood.

At Hamtramck & LA, they are actually Valiant VIN sequence batches, so the Valiant Dusters VINs are mixed with the Valiant 4-door VINs.

I had it in my head that it was in excess of 250,000 & looked up the Duster number and saw it was short of that number - now I know why? - another 40K+ VALIANT 4-doors thanks!

they did make a ton of them ..... June 1970 total Valiant production = 43,297 units

1970 Plymouth A-body VALIANTs ~260K VS. 1970-1974 E-body ~320K

Thanks guys,that's a lot of A-bodies!

Let me know what car my G 440 HP2 block came from. The VIN on the block is 1B367187
Thanks...

'71 is not my year, but........

JS23V1B367187

& someone said you can't tell a 440+6 engine from the VIN stamping

I wonder if the car still exists?

Pretty sure it does, happy hunting. :-)

I dug out another one to ID. A 1970 340 also:
Stamped on the front of block is FW340P 3084 0313
Pan rail partial VIN 0B236819
Casting date is XX 69,I have to clean it off more to clarify
Any ideas what this one is from? Dan the man...???
RT

FW340P 3084 (Tuesday 1/6/70) 0313
Pan rail partial VIN 0B236819
Casting date is 11*14*69

for comparison also previously reported 340 missing a car (both from '70 Cudas)

FW340P 3087 (Friday 1/9/70) 0027
Pan rail partial VIN 0B236799
Casting date is 11*19*69

Thanks dan,I'll get the casting number tomorrow.You believe this is from a 'Cuda then? Looks like yet another close VIN sequence motor.It's cool finding this stuff/info! Thanks,RT