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340 casting numbers help #682913 04/28/10 08:04 PM 04/28/10 08:04 PM
Joined: Jan 2003 Posts: 549 CT 3 340KID OP mopar
340KID OP mopar 3 Joined: Jan 2003 Posts: 549 CT	Can someone decode these casting numbers from a 69 340 crank PN-2858398 rods - PN-3406782 pistons - PN 2899479 heads - PN 25318940 engine stamping - FW340P29540302 I don't think the crank is original, but any info would be greatly appreciated thanks, 340kid

Re: 340 casting numbers help [Re: 340KID] #682914 04/28/10 08:10 PM 04/28/10 08:10 PM
Joined: Jan 2003 Posts: 25,200 Upper Midwest M MoparforLife Too Many Posts
MoparforLife Too Many Posts M Joined: Jan 2003 Posts: 25,200 Upper Midwest	"heads - PN 25318940" Should be 2531894 = X head. Clean it, if it's Dirty. Oil it, if it Squeaks. But: Don't fix it, if it Works!

Re: 340 casting numbers help [Re: 340KID] #682915 04/28/10 08:26 PM 04/28/10 08:26 PM
Joined: Jan 2003 Posts: 25,868 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,868 Rio Linda, CA	A forged '69 340 crank wouldn't have a casting number, 2858398 is probably 2658393 which is a cast 318 crank. engine stamping - FW340P29540302 FW340= Built at the Windsor engine plant P= Premium fuel 2954= Build date September 29, 1969 (a '70 engine) 0302= Sequence number, the 302nd built that day. The INTERNET, the MISinformation superhighway

Re: 340 casting numbers help [Re: John_Kunkel] #682916 04/28/10 08:37 PM 04/28/10 08:37 PM
Joined: Jan 2003 Posts: 549 CT 3 340KID OP mopar
340KID OP mopar 3 Joined: Jan 2003 Posts: 549 CT	is there any major differences in the 318 cast crank versus the original steel crank ?

Re: 340 casting numbers help [Re: 340KID] #682917 04/28/10 08:57 PM 04/28/10 08:57 PM
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	F is the series (model year) 1970. What are the 8 digits on the pad on the passenger side of the block right above the oil pan?

Re: 340 casting numbers help [Re: Alaskan_TA] #682918 04/28/10 09:37 PM 04/28/10 09:37 PM
Joined: Jan 2003 Posts: 549 CT 3 340KID OP mopar
340KID OP mopar 3 Joined: Jan 2003 Posts: 549 CT	2780930-340

Re: 340 casting numbers help [Re: Alaskan_TA] #682919 04/28/10 09:59 PM 04/28/10 09:59 PM
Joined: Jan 2003 Posts: 549 CT 3 340KID OP mopar
340KID OP mopar 3 Joined: Jan 2003 Posts: 549 CT	sorry I posted wrong number in prior post OB172376

Re: 340 casting numbers help [Re: 340KID] #682920 04/28/10 10:00 PM 04/28/10 10:00 PM
Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central RobX4406 I Live Here
RobX4406 I Live Here Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central	Quote: 2780930-340 Looks like you got it. other side... here. It's on the side with the oil filter on a SB. Last edited by RobX4406; 04/28/10 10:08 PM.

Re: 340 casting numbers help [Re: RobX4406] #682921 04/28/10 10:04 PM 04/28/10 10:04 PM
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	Thanks! New number to me, it is from a Duster.

Re: 340 casting numbers help [Re: Alaskan_TA] #682922 04/28/10 10:10 PM 04/28/10 10:10 PM
Joined: Jan 2003 Posts: 549 CT 3 340KID OP mopar
340KID OP mopar 3 Joined: Jan 2003 Posts: 549 CT	great, i'm getting this motor for my son's 72 Duster project, should be a nice fit, it will be replacing a 72 318 340kid

Re: 340 casting numbers help [Re: 340KID] #682923 04/28/10 10:39 PM 04/28/10 10:39 PM
Joined: Jan 2003 Posts: 549 CT 3 340KID OP mopar
340KID OP mopar 3 Joined: Jan 2003 Posts: 549 CT	Quote: Can someone decode these casting numbers from a 69 340 crank PN-2858398 rods - PN-3406782 pistons - PN 2899479 heads - PN 25318940 engine stamping - FW340P29540302 I don't think the crank is original, but any info would be greatly appreciated does anyone have info if the pistons and rods are originals ? thanks, 340kid

Re: 340 casting numbers help [Re: 340KID] #682924 10/07/10 05:00 PM 10/07/10 05:00 PM
A Anonymous Unregistered
Anonymous Unregistered A	Can anyone help me ID this block...? Casting Number 2780930-340-3 Date 7-11-69 VIN pad 0B210544 Thank you

Re: 340 casting numbers help #682925 10/07/10 05:14 PM 10/07/10 05:14 PM
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 partial VIN indicates that it came from a 1970 Hamtramck car. I do not have anything close enough to it to know exactly which model. Possibles are Duster, Cuda or Challenger for this plant with the 340.

Re: 340 casting numbers help [Re: Alaskan_TA] #682926 10/07/10 10:39 PM 10/07/10 10:39 PM
Joined: Mar 2008 Posts: 390 kentucky S superbyrd enthusiast
superbyrd enthusiast S Joined: Mar 2008 Posts: 390 kentucky	not sure on the differences with the steel crank,other than balance. but, in 72-73 340's they used a cast crank,which is the same crank and rods as the 318 uses. only the 318 will have a neutral balancer,and the cast crank uses it's own specific "340 cast crank" balancer.i have done alot of digging and found that if you are looking for a remanufactured crank and rods for a 70's 318,they are the same identical parts for a 72-73 340. as i had to do,just have to have the right balancer. (heavier pistons make it necessary)

Re: 340 casting numbers help [Re: 340KID] #682927 10/19/10 05:01 PM 10/19/10 05:01 PM
A Anonymous Unregistered
Anonymous Unregistered A	Can anyone help me ID this block...? Casting Number 2780930-340-3 Date 7-11-69 VIN pad 0B210544 oil pan rail VIN FW340P30420600 front of block Second Block VIN FW340P30100484 front of block Thank you

Re: 340 casting numbers help #682928 10/19/10 07:00 PM 10/19/10 07:00 PM
Joined: Mar 2008 Posts: 390 kentucky S superbyrd enthusiast
superbyrd enthusiast S Joined: Mar 2008 Posts: 390 kentucky	it's a 1970 340. pretty simple.

Re: 340 casting numbers help [Re: superbyrd] #682929 10/20/10 12:19 PM 10/20/10 12:19 PM
A Anonymous Unregistered
Anonymous Unregistered A	wanting to know what it came out of if possible...?

Re: 340 casting numbers help #682930 10/20/10 06:30 PM 10/20/10 06:30 PM
Joined: Mar 2008 Posts: 390 kentucky S superbyrd enthusiast
superbyrd enthusiast S Joined: Mar 2008 Posts: 390 kentucky	a 70 model dart 'cuda,challenger,duster. kind of hard to tell a specific car it came from.

Re: 340 casting numbers help [Re: superbyrd] #682931 10/20/10 06:34 PM 10/20/10 06:34 PM
Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central RobX4406 I Live Here
RobX4406 I Live Here Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central	Quote: a 70 model dart 'cuda,challenger,duster. kind of hard to tell a specific car it came from. Can't be a Dart. Not built at that plant.

Re: 340 casting numbers help [Re: RobX4406] #682932 10/20/10 08:17 PM 10/20/10 08:17 PM
Joined: Mar 2008 Posts: 390 kentucky S superbyrd enthusiast
superbyrd enthusiast S Joined: Mar 2008 Posts: 390 kentucky	ok. that rules out the dart. it's not a T/A block,so,not sure what it would matter what it came from,unless you are wanting that specific info to use for some woooo factor in trying to sell it to some loser that doesn't know any better and thinks it's "special" because it came out of a 'cuda.a 70 340,is just a 70 340. unless you have the vin# or sequential number from that given car,gonna be kind of tough.

Re: 340 casting numbers help [Re: RobX4406] #682933 10/20/10 09:35 PM 10/20/10 09:35 PM
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: Can't be a Dart. Not built at that plant. I used to think that too, but one has surfaced so far. I am on the look out for more...... To the OP, what is the VIN on the second block?

Re: 340 casting numbers help [Re: Alaskan_TA] #682934 10/21/10 02:27 PM 10/21/10 02:27 PM
A Anonymous Unregistered
Anonymous Unregistered A	small vin pad above oil pan rail is blank on the second block...?

Re: 340 casting numbers help #682935 10/21/10 11:54 PM 10/21/10 11:54 PM
Joined: Mar 2008 Posts: 390 kentucky S superbyrd enthusiast
superbyrd enthusiast S Joined: Mar 2008 Posts: 390 kentucky	second block could have been a dealer replacement block,or,somebody mightbhave gotten handy with a grinder earlier in it's life.

Re: 340 casting numbers help #682936 10/22/10 12:02 AM 10/22/10 12:02 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: small vin pad above oil pan rail is blank on the second block...? Got a picture?

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