Re: #3438348 440 6-pak distributor, has ne1 ever had one?
[Re: whomper1]
#1704286
11/28/14 11:40 PM
11/28/14 11:40 PM
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Joined: Aug 2011
Posts: 1,028
NB, Canada
moparfan53
super stock
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super stock
Joined: Aug 2011
Posts: 1,028
NB, Canada
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Quote:
I've been looking for that distributor for years and 1'm starting to wonder it it ever existed?
If you want that specific distributor (#3438348), it is probably hard to find because it was used only on '70 440-6 4spd cars built after Jan 1/70. There was an NOS one for '70 440-6 4spd cars built before Jan 1/70 on ebay a few weeks ago that sold for $500.
http://www.ebay.com/itm/1970-MOPAR-Dual-...=p2047675.l2557
If one for a different year/transmission 440-6 is acceptable, you may have better luck finding one.
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Re: #3438348 440 6-pak distributor, has ne1 ever had one?
[Re: BigMoneyLewis]
#1704288
11/29/14 04:40 AM
11/29/14 04:40 AM
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Joined: Jan 2003
Posts: 5,106
Chicago Blackhawks
hemicar1971
master
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master
Joined: Jan 2003
Posts: 5,106
Chicago Blackhawks
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Any one know why there was a Jan. change from one Distributor to another and what that change might of been.
1971 HEMI E BODY REGISTRY
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Re: #3438348 440 6-pak distributor, has ne1 ever had one?
[Re: 62maxwgn]
#1704290
11/29/14 02:09 PM
11/29/14 02:09 PM
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Joined: Jan 2003
Posts: 3,114
Sacramento,California
JRepucci
master
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master
Joined: Jan 2003
Posts: 3,114
Sacramento,California
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Quote:
I "had" a Prestolite dual point about five years ago with the spark retard vacuum advance that I changed,was an early 70's date code but don't remember the part number,only one I've ever seen.Still have what I took off.
That vacuum advance would be from a 71 440-6 Prestolite
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Re: #3438348 440 6-pak distributor, has ne1 ever had one?
[Re: hemicar1971]
#1704294
11/30/14 03:12 PM
11/30/14 03:12 PM
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Joined: Aug 2011
Posts: 1,028
NB, Canada
moparfan53
super stock
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super stock
Joined: Aug 2011
Posts: 1,028
NB, Canada
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Quote:
Any one know why there was a Jan. change from one Distributor to another and what that change might of been.
Different parts for the early and late ones from the '70 parts book. Maybe emission related? 
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Re: #3438348 440 6-pak distributor, has ne1 ever had one?
[Re: whomper1]
#1704295
11/30/14 03:38 PM
11/30/14 03:38 PM
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Joined: Aug 2011
Posts: 1,028
NB, Canada
moparfan53
super stock
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super stock
Joined: Aug 2011
Posts: 1,028
NB, Canada
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Quote:
thanks for the help and input
tonys doesnt have one, nothing shows up on a google search
so, is this one of those parts that is listed in the # book but was never made?
does it show up on a build sheet?
you would think that someone here has had one and hopefully a picture of it
is there a known IBS # ???
i'm really starting to feel that this distributor was not made
IMO, it was made, because the cars were made. The only time I have seen part numbers in the book that were not made (AFAIK) are for the 1971 Challenger T/A, which did not make it to production. 
AFAIK, distributors are not on broacast sheets. I suspect it is because the dist. was part of the engine assembly, which was shown.
I have to ask, what is an "IBS#"?
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Re: #3438348 440 6-pak distributor, has ne1 ever had one?
[Re: 62maxwgn]
#1704297
11/30/14 04:08 PM
11/30/14 04:08 PM
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Joined: Aug 2011
Posts: 1,028
NB, Canada
moparfan53
super stock
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super stock
Joined: Aug 2011
Posts: 1,028
NB, Canada
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Quote:
IBS/IBK is the first three digits of the Prestolite identification number.
Ok, thanks.  I went back and looked at the ebay one above. I see it is stamped on the bottom of the ID tag.
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Re: #3438348 440 6-pak distributor, has ne1 ever had one?
[Re: hemicar1971]
#2260948
02/28/17 11:17 AM
02/28/17 11:17 AM
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Joined: Aug 2015
Posts: 567
Indianapolis, IN
B5Cuda440-6
mopar
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mopar
Joined: Aug 2015
Posts: 567
Indianapolis, IN
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Based on the components/parts list for each distributor, it looks like the Chrysler engineers specified a change in the “SHAFT, Governor and Cam Drive”, and also the “CONTROL, Vacuum”. These two items are the main features of a distributor that alter the rate of both the mechanical and vacuum advance curves. They must have felt a new curve for both types of advance were needed to improve the engine function/performance/emissions, etc., and these are potentially a few reasons why the change happened mid-year.
One of the ways I’ve identified early and late assembly line distributors on 1970 models is by the vacuum advance. Early units had a “long snout” adjustable advances, and later units had the more familiar “canister” style advances. The advance on the distributor pictured by AzMoparMike is the later style.
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