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1970 Duster 340 automatic trans 741 or 489 raer end case? #2309386 05/22/17 10:34 PM 05/22/17 10:34 PM
Joined: Apr 2016 Posts: 222 Massachusetts R RAII4-speed OP enthusiast
RAII4-speed OP enthusiast R Joined: Apr 2016 Posts: 222 Massachusetts	Should a 1970 Duster 340 automatic have a 741 or 489 rear end case from the factory ?

Re: 1970 Duster 340 automatic trans 741 or 489 raer end case? [Re: RAII4-speed] #2309400 05/22/17 10:49 PM 05/22/17 10:49 PM
Joined: Jan 2003 Posts: 2,252 New York rarefish top fuel
rarefish top fuel Joined: Jan 2003 Posts: 2,252 New York	I think you would find a 741 case. I have been told by some that they have seen 71 340 A-bodies that had factory installed 741 cases.

Re: 1970 Duster 340 automatic trans 741 or 489 raer end case? [Re: rarefish] #2309442 05/22/17 11:35 PM 05/22/17 11:35 PM
Joined: Jul 2004 Posts: 990 IN S schmitty super stock
schmitty super stock S Joined: Jul 2004 Posts: 990 IN	My 69 340 Swinger=741 My 71 340 Duster489

Re: 1970 Duster 340 automatic trans 741 or 489 raer end case? [Re: RAII4-speed] #2309467 05/23/17 12:17 AM 05/23/17 12:17 AM
Joined: Feb 2008 Posts: 595 CentralVA. B BBCoronet mopar
BBCoronet mopar B Joined: Feb 2008 Posts: 595 CentralVA.	1 owner 72 340 Demon, Auto / 3;23 open w/ 741 case

Re: 1970 Duster 340 automatic trans 741 or 489 raer end case? [Re: RAII4-speed] #2309478 05/23/17 12:29 AM 05/23/17 12:29 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	I have never seen anything but a 741 case in an original 1971 340 car.

Re: 1970 Duster 340 automatic trans 741 or 489 raer end case? [Re: RAII4-speed] #2309540 05/23/17 02:07 AM 05/23/17 02:07 AM
Joined: Jan 2004 Posts: 8,249 fredericksburg,va C cudaman1969 master
cudaman1969 master C Joined: Jan 2004 Posts: 8,249 fredericksburg,va	72 Demon 340 auto 489 sure grip 3.23, 72 Duster Twister /6 3 on the floor 489 sure grip 3.23 if that means anything. But not sure on 70-71

Re: 1970 Duster 340 automatic trans 741 or 489 raer end case? [Re: ScottSmith_Harms] #2309605 05/23/17 08:38 AM 05/23/17 08:38 AM
Joined: Apr 2016 Posts: 222 Massachusetts R RAII4-speed OP enthusiast
RAII4-speed OP enthusiast R Joined: Apr 2016 Posts: 222 Massachusetts	Originally Posted By ScottSmith_Harms I have never seen anything but a 741 case in an original 1971 340 car. Scott, My Question was in a 1970 ....Does that apply to 1970 as well

Re: 1970 Duster 340 automatic trans 741 or 489 raer end case? [Re: RAII4-speed] #2309684 05/23/17 11:28 AM 05/23/17 11:28 AM
Joined: May 2004 Posts: 1,004 ohio B bbtrux super stock
bbtrux super stock B Joined: May 2004 Posts: 1,004 ohio	My 70 340 4 speed duster- 489 case. My 71 D100 - 741 case.

Re: 1970 Duster 340 automatic trans 741 or 489 raer end case? [Re: RAII4-speed] #2310220 05/24/17 09:56 AM 05/24/17 09:56 AM
Joined: Jan 2003 Posts: 3,103 Phila Pa S scatpacktom master
scatpacktom master S Joined: Jan 2003 Posts: 3,103 Phila Pa	My 70 340 4sp came with a 741

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