Author Topic: Best exhaust manifolds?  (Read 3840 times)

Offline amcmike

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Best exhaust manifolds?
« on: October 13, 2007 - 05:56:54 pm »
If I wanted to go with best flowing exhaust manifolds (instead of headers) what is best available (besides the stock 383 ones on it now) that fit an E-body?

Thanks.
Mike
1970 Challenger
383, 727




Offline ksierens

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Re: Best exhaust manifolds?
« Reply #1 on: October 13, 2007 - 07:35:46 pm »
I would guess the ones used on the 440 6 pack motors would be your best bet:

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1970 Triple Black Challenger R/T  440 Six Pack - 4 Speed - 3.55 Dana
Kurt - SE Michigan

Offline amcmike

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Re: Best exhaust manifolds?
« Reply #2 on: October 14, 2007 - 02:41:20 am »
Please excuse the ignorance, but for 1970 do they differ between 383 2bbl, 383 4bl, 440 4bbl, and 440 6bbl?
Mike
1970 Challenger
383, 727


Offline Chryco Psycho

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Re: Best exhaust manifolds?
« Reply #3 on: October 14, 2007 - 03:27:34 am »
no , all the same
 some of the best iron manifolds were the earlier 60 manifolds , but they are not common & therefore expensive to get

Challenger - You`ll wish You Hadn`t

Offline HP2

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Re: Best exhaust manifolds?
« Reply #4 on: October 14, 2007 - 05:12:14 pm »
I'd think the Stage 3 Max Wedge ones would be the ultimate iron manifold. Very sweeping in design, almost header like. IF you can find a set for sale, I think they are around $1500 a pair.


Offline Moparal

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Re: Best exhaust manifolds?
« Reply #5 on: October 14, 2007 - 05:33:45 pm »
You can get the max wedge manifolds for 895 but getting them to fit is the tricky part :2thumbs:

Offline amcmike

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Re: Best exhaust manifolds?
« Reply #6 on: October 15, 2007 - 06:05:08 am »
You can get the max wedge manifolds for 895 but getting them to fit is the tricky part :2thumbs:

Any ideas where the clearance issues are?
Mike
1970 Challenger
383, 727

Offline Moparal

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Re: Best exhaust manifolds?
« Reply #7 on: October 15, 2007 - 07:51:02 pm »
I believe the firewalls on the older b bodies were set back further, that is just one issue, but looking at my max wedge, I think their may be an issue with the steering shaft maybe.   Here's a picture of my 426 mw I built for my convertible.  I have since sold this project





Offline ted

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Re: Best exhaust manifolds?
« Reply #8 on: October 16, 2007 - 12:58:06 pm »
383 2bbl had log manifolds, not HPs

no , all the same
 some of the best iron manifolds were the earlier 60 manifolds , but they are not common & therefore expensive to get
74 cuda, 70 challenger r/t