Technical Question and Answer - On topic to 71-74 Plymouth B-bodies only.
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rav440
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by rav440 » Fri Jan 04, 2008 11:00 pm
what is the part # for the 73 440 HP EXHAUST MANIFOLDS for my road runner .
thanks RANDY

1973 Plymouth road runner / GTX 440 "U" code #matching 1 of 117 built
RAVS road runner
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mopar71
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by mopar71 » Sat Jan 05, 2008 12:02 pm
MOPAR (Move Over Plymouth Approching Rapidly)
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73X
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by 73X » Sun Jan 06, 2008 12:38 am
I have a pair I pulled off of mine Randy, I will get part #'s and pics for you.
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73X
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by 73X » Sun Jan 06, 2008 7:56 am
Hey Randy,
Here they are pass side castin # is 3751074 driver is 375106(could be

8.
I looked them up a while back in galens white book and they showed 73 440hp manifolds, were in the trunk of my X when I bought it. Have single pics if you want, email me.
Dale
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rav440
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by rav440 » Sun Jan 06, 2008 12:36 pm
DALE thanks . the passenger side doesnt seem right ? it looks like maybe a non HP manifold . and the # from what i found isnt right but i dont know for sure the drivers side is correct .
are you keeping them ? or do you want to sell the drivers side ?
thanks RANDY

1973 Plymouth road runner / GTX 440 "U" code #matching 1 of 117 built
RAVS road runner
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mopar71
- GTX (RS)
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- Joined: Sun Dec 14, 2003 11:55 pm
- My Cars: 1971 roadrunner
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by mopar71 » Sun Jan 06, 2008 6:43 pm
Should be: 3751068-1973-74-LH-400 440 HP.
3751074-RH-1973-74 B,C- 400 440- 2BBL/LP.
MOPAR (Move Over Plymouth Approching Rapidly)
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73X
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by 73X » Sun Jan 06, 2008 8:32 pm
I thought they were the right ones.
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mopar71
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by mopar71 » Mon Jan 07, 2008 12:14 am
3751071-RH-1973-74 B 400 440 HP.
This should be the RH side.
MOPAR (Move Over Plymouth Approching Rapidly)
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73X
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by 73X » Tue Jan 08, 2008 5:31 am
Randy, sent you an email.