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72-73 e-body 340 exhaust manifolds numbers #2739533 02/04/20 08:06 AM 02/04/20 08:06 AM
Joined: Sep 2003 Posts: 1,111 sw michigan T TB3CUDA OP super stock
TB3CUDA OP super stock T Joined: Sep 2003 Posts: 1,111 sw michigan	looking for a set of 72-73 340 e-body exhaust manifolds,what are the correct part/casting numbers?

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: TB3CUDA] #2739537 02/04/20 08:48 AM 02/04/20 08:48 AM
Joined: Jan 2003 Posts: 4,115 MD floyd master
floyd master Joined: Jan 2003 Posts: 4,115 MD	Casting number for RH is 3418623. Not sure about the LH.

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: floyd] #2739583 02/04/20 10:48 AM 02/04/20 10:48 AM
Joined: Jan 2003 Posts: 43,547 Round Lake Beach, Illinoisy Rhinodart Rhinotruck
Rhinodart Rhinotruck Joined: Jan 2003 Posts: 43,547 Round Lake Beach, Illinoisy	Here are a picture of mine. I will see what the passenger side says when I am at my shop today, it is on the back side of the manifold. Last edited by Rhinodart; 02/04/20 10:49 AM. The funny thing about science is that if you change one miniscule parameter you change the entire outcome to the way you want it. JB Rhinehart, Realist A-Body's RULE!

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: Rhinodart] #2739599 02/04/20 11:29 AM 02/04/20 11:29 AM
Joined: Feb 2003 Posts: 381 Denver CO B bennydodge enthusiast
bennydodge enthusiast B Joined: Feb 2003 Posts: 381 Denver CO	Originals from my 73 340 Challenger read- Driver side 3751084 Passenger side 3418623 73 Challenger 340(416),E-heads, 727, 3.23 SG 2015 Challenger R/T classic B5, wife's car 2010 Ram 3500 Crew Cab SLT dually 4X4 2016 Challenger Hellcat Redline Red A8

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: bennydodge] #2739726 02/04/20 06:39 PM 02/04/20 06:39 PM
Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert moparmarks I Live Here
moparmarks I Live Here Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert	Here are the 71-74 B/E 340/360 manifolds. 70E used A body manifolds. Last edited by moparmarks; 02/04/20 06:41 PM. 72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/ motormangj@gmail.com

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: bennydodge] #2739727 02/04/20 06:42 PM 02/04/20 06:42 PM
Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert moparmarks I Live Here
moparmarks I Live Here Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert	Originally Posted by bennydodge Originals from my 73 340 Challenger read- Driver side 3751084 Passenger side 3418623 Do you have a pic of the drivers side? 72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/ motormangj@gmail.com

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: Rhinodart] #2739728 02/04/20 06:44 PM 02/04/20 06:44 PM
Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert moparmarks I Live Here
moparmarks I Live Here Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert	Originally Posted by Rhinodart Here are a picture of mine. I will see what the passenger side says when I am at my shop today, it is on the back side of the manifold. 71-2 B/E used a different drivers manifold than A body. 72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/ motormangj@gmail.com

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: moparmarks] #2739746 02/04/20 08:06 PM 02/04/20 08:06 PM
Joined: Sep 2003 Posts: 1,111 sw michigan T TB3CUDA OP super stock
TB3CUDA OP super stock T Joined: Sep 2003 Posts: 1,111 sw michigan	thanks

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: TB3CUDA] #2739748 02/04/20 08:07 PM 02/04/20 08:07 PM
Joined: Sep 2003 Posts: 1,111 sw michigan T TB3CUDA OP super stock
TB3CUDA OP super stock T Joined: Sep 2003 Posts: 1,111 sw michigan	keep seeing 318 manifolds for sale as 340s

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: TB3CUDA] #2739753 02/04/20 08:14 PM 02/04/20 08:14 PM
Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert moparmarks I Live Here
moparmarks I Live Here Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert	Originally Posted by TB3CUDA keep seeing 318 manifolds for sale as 340s Ya I do too. Much smaller ports and have a flat flange. 72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/ motormangj@gmail.com

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: moparmarks] #2739781 02/04/20 09:20 PM 02/04/20 09:20 PM
Joined: Sep 2003 Posts: 1,111 sw michigan T TB3CUDA OP super stock
TB3CUDA OP super stock T Joined: Sep 2003 Posts: 1,111 sw michigan	found a nice set with close date codes thanks for the help

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: moparmarks] #2739810 02/04/20 11:16 PM 02/04/20 11:16 PM
Joined: Feb 2003 Posts: 381 Denver CO B bennydodge enthusiast
bennydodge enthusiast B Joined: Feb 2003 Posts: 381 Denver CO	Originally Posted by moparmarks Originally Posted by bennydodge Originals from my 73 340 Challenger read- Driver side 3751084 Passenger side 3418623 Do you have a pic of the drivers side? Here ya' go 73 Challenger 340(416),E-heads, 727, 3.23 SG 2015 Challenger R/T classic B5, wife's car 2010 Ram 3500 Crew Cab SLT dually 4X4 2016 Challenger Hellcat Redline Red A8

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: moparmarks] #2739822 02/05/20 12:39 AM 02/05/20 12:39 AM
Joined: Feb 2015 Posts: 2,075 CA C crackedback top fuel
crackedback top fuel C Joined: Feb 2015 Posts: 2,075 CA	IIRC, the 621 manifold was used through 72 and the 3751084 was used in 73

Re: 72-73 e-body 340 exhaust manifolds numbers [Re: crackedback] #2739830 02/05/20 01:32 AM 02/05/20 01:32 AM
Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert moparmarks I Live Here
moparmarks I Live Here Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert	Ok good to know. Looks like the front rib is longer on the 084. 72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/ motormangj@gmail.com

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