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1970-1971 340 vin pad locations #2963627
09/13/21 12:39 PM
09/13/21 12:39 PM
Joined: Dec 2004
Posts: 1,879
Western,NY
JEJJ Offline OP
top fuel
JEJJ  Offline OP
top fuel

Joined: Dec 2004
Posts: 1,879
Western,NY
I understand for 1970-1971 340 blocks, there are 2 vin pad locations?

-one above the oil pan on the passenger side and one under the driver side head in front of the block correct?

I asking because I was looking at a car and both pads have vin#'s stamped on them, but only one pad matches the vin tag.

Also, the casting for the block is 7 weeks later than the car's build date. Wouldn't that be alittle late (I mean as a "general" rule.....I know there are exceptions it seems to everything)

Thank you for any help!

Re: 1970-1971 340 vin pad locations [Re: JEJJ] #2963634
09/13/21 12:48 PM
09/13/21 12:48 PM
Joined: May 2019
Posts: 3,007
nowhere
S
Sniper Online content
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Sniper  Online Content
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S

Joined: May 2019
Posts: 3,007
nowhere
the one under the head is not a VIN stamp. It's ID's the engine and how it was built.

Re: 1970-1971 340 vin pad locations [Re: Sniper] #2963729
09/13/21 04:53 PM
09/13/21 04:53 PM
Joined: Dec 2004
Posts: 1,879
Western,NY
JEJJ Offline OP
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JEJJ  Offline OP
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Joined: Dec 2004
Posts: 1,879
Western,NY
Thanks
Then almost 2 months separation is in the correct range for block date to build date?

Re: 1970-1971 340 vin pad locations [Re: JEJJ] #2963741
09/13/21 05:26 PM
09/13/21 05:26 PM
Joined: Jan 2006
Posts: 2,199
New York
VCODE Offline
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VCODE  Offline
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Posts: 2,199
New York
340 has numbers stamped just below the head. Where it was built (which engine plant) If it uses premium gas or not, the date of assemble, how many bulit that day
Bob


Mom & Dad let me buy a brand new 70 Challenger R/T 440 Six-Pack Super Trac Pack when I was 17 (Robert what is a 440 Six-Pack)
Re: 1970-1971 340 vin pad locations [Re: VCODE] #2963752
09/13/21 05:44 PM
09/13/21 05:44 PM
Joined: Jan 2003
Posts: 29,079
Hamtramck, PA
Alaskan_TA Offline
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Joined: Jan 2003
Posts: 29,079
Hamtramck, PA
The front stamp is the engine 'serial number'. It was stamped when the engine was completed.

After completion, it was readied to ship to an auto plant with other assembled engines.

When a car was coming down the line, an assembled engine of the correct type / application was sent to the main line to be installed in a car.

Just before the engine and transmission were mated to a car, the VIN stamps were done.

Car 'build dates' were not recorded back then.

Re: 1970-1971 340 vin pad locations [Re: Alaskan_TA] #2963949
09/14/21 09:11 AM
09/14/21 09:11 AM
Joined: Dec 2011
Posts: 833
MA
steve70 Offline
super stock
steve70  Offline
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Joined: Dec 2011
Posts: 833
MA
This should help

340_Block_ID_(5).jpg

1970 Challenger T/A 4 speed
1971 Duster 340 4 speed-2017 MCACN Gold Winner






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