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440 6 pack iron intake manifold, dates & details please
#1696762
11/10/14 12:17 AM
11/10/14 12:17 AM
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Joined: Dec 2003
Posts: 4,954
northwest USA
NANKET
OP
master
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OP
master
Joined: Dec 2003
Posts: 4,954
northwest USA
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Lets talk cast iron 440 6 pack intakes. There are two part numbers 2946275 and 2946276. What is the difference if any between the two part numbers? I can't tell a difference on the car. What dates do you have of each one? Trying to find the earliest and latest casting dates, and what date they changed the part number on these. Thanks Moparts!  I'll start: I have two 2946275 intakes with dates 6-17-69 and 7-11-69. I have one 2946276 dated 8-20-69
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Re: 440 6 pack iron intake manifold, dates & details please
[Re: NANKET]
#1696763
11/10/14 12:31 AM
11/10/14 12:31 AM
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Joined: Jul 2003
Posts: 3,469
Back in NJ....
EWJ
master
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master
Joined: Jul 2003
Posts: 3,469
Back in NJ....
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I have a 276-will check and post back on the date code by next w/e.
Ed
EastCoast Land Yacht Assoc.
1967 Newport Conv: 440/4 speed
1969 GTX: 440/4 speed, TX9/TX9, A34, N96
1970 Super Bee: 383/4 speed, B5/B7
1970 Coronet RT: 440/4 speed, A34, N96
1970 Coronet RT: 440/auto, A36, N96
1970 Road Runner convertible: 383/4 speed TX9/D6XW
1970 GTX: 440+6/727, A32, N96
2001 Dodge 2500 HO CTD, 6 speed, 4x4 quad cab long bed
"The early bird may get the worm, but the 2nd mouse gets the cheese".
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Re: 440 6 pack iron intake manifold, dates & details please
[Re: Fanning]
#1696767
11/11/14 10:20 PM
11/11/14 10:20 PM
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Joined: Jan 2003
Posts: 1,567
Ky
jt4406
pro stock
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pro stock
Joined: Jan 2003
Posts: 1,567
Ky
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I have 2 "276ers" one is 9-25-69, one 12-11-69.
jess
Yeah, it's hopped up to over 160...
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Re: 440 6 pack iron intake manifold, dates & details please
[Re: shakerjoe]
#1696770
11/13/14 12:02 AM
11/13/14 12:02 AM
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Joined: Jan 2003
Posts: 17,553
Las Vegas, NV
6bblgt
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,553
Las Vegas, NV
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Quote:
I have a 276 with no date - just the pentastar cast on manifold behind the front carb. There is a capital A in a triangle next to the 2946276 - that's it.
 is there a date on the bottom?  are you sure it isn't #2948276?
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Re: 440 6 pack iron intake manifold, dates & details please
[Re: NANKET]
#1696772
11/13/14 12:09 AM
11/13/14 12:09 AM
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Joined: Aug 2003
Posts: 279
Northeastern PA
Fanning
enthusiast
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enthusiast
Joined: Aug 2003
Posts: 279
Northeastern PA
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Quote:
Fanning, that is a nice long list, how many years were you collecting the data? Do you think any other casting dates exist?
Looks like they were making both part numbers for about 2 months, that seems odd, if there really was a problem with the 275 casting.
Actually it was just a quick check through the active and completed auctions on ebay combined with the above listed dates. Hopefully others will chime in on this thread and add more part number/dates. With the number of hardcore numbers people on moparts we should be able to come up with a fairly complete list.
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Re: 440 6 pack iron intake manifold, dates & details please
[Re: 6bblgt]
#1696773
11/13/14 06:15 PM
11/13/14 06:15 PM
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Joined: Jan 2003
Posts: 3,011
Long Island, NY
shakerjoe
master
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master
Joined: Jan 2003
Posts: 3,011
Long Island, NY
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Quote:
Quote:
I have a 276 with no date - just the pentastar cast on manifold behind the front carb. There is a capital A in a triangle next to the 2946276 - that's it.
is there a date on the bottom? are you sure it isn't #2948276?
just checked the bottom - no date, but there is a tab that looks like say's NG? Also the part # looks like it "was" 2946276 to me - but I guess when it was removed from the mold some slag pulled out the 6?
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Re: 440 6 pack iron intake manifold, dates & details please
[Re: shakerjoe]
#1696777
11/13/14 10:47 PM
11/13/14 10:47 PM
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Joined: Nov 2007
Posts: 511
South Georgia
tx9cuda
mopar
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mopar
Joined: Nov 2007
Posts: 511
South Georgia
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Mine is a 275 with a date of 7-21-69.
1971 BS23H1B
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Re: 440 6 pack iron intake manifold, dates & details please
[Re: Kudaconv_71]
#1696781
11/15/14 10:02 PM
11/15/14 10:02 PM
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Joined: Mar 2008
Posts: 9,550
Sacramento CA
Morty426
master
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master
Joined: Mar 2008
Posts: 9,550
Sacramento CA
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Quote:
I have a 71 440+6 Cuda, built September of 70 that was OE judged at the Mopar Nationals in 2013. The car is all numbers matching, however the 440+6 intake is dated 10/69. Paul Jacobs deducted points for the intake being earlier than the rest of the engine casting dates. I have been searching for a 440+6 intake cast in early to mid 1970 for the last year. I have checked all my sources including Ted Stevens and many other suppliers without success. I also ran a wanted ad on Moparts for several months without success. I am looking forward to the conclusion of this thread. The latest casting date I have found is 12/69
Were any intakes cast in 1970 or 1971?
I have a 71 SIXPACK Challenger with an SPD of 3/30/71
I've searched for over 20 years and have never found a manifold past 12/69
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