Re: 1973 400 4BBL HP Camshaft
[Re: 340clone]
#2695280
09/07/19 05:51 PM
09/07/19 05:51 PM
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Joined: Aug 2007
Posts: 6,095 Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,095
Valencia, España
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The stock camshaft is the same Magnum one, the first one of the Purple camshaft series
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: 1973 400 4BBL HP Camshaft
[Re: 340clone]
#2695304
09/07/19 09:03 PM
09/07/19 09:03 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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I'd get a 3 keyway roller timing chain set & put in "advanced" & a parts house std vol oil pump will work fine for you
live every 24 hour block of time like it's your last day on earth
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Re: 1973 400 4BBL HP Camshaft
[Re: 340clone]
#2695611
09/08/19 10:40 PM
09/08/19 10:40 PM
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Joined: Nov 2004
Posts: 507
340clone
OP
mopar
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OP
mopar
Joined: Nov 2004
Posts: 507
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Thanks for all of the input. So, in an attempt to freshen up a stock engine, I originally ordered an Elgin E-327-S cam kit, Melling M-63 oil pump, and a Cloye's C-3010K timing kit. Being a '73, I didn't realize that there was a difference with it being a HP 4bbl engine. I believe the above cam is for the 2bbl version of the 400. In addition to the suggestions mentioned here, the Elgin E-1094-P also looks to be an relatively stock HP alternative according to factory specs. I am running one of those in a 440 that I have. If I return the cam and replace with one for the 4bbl, would the above pump and timing kit still work with the HP engine?
This is a good running motor and I am not looking to rebuild, but I noticed that the timing chain felt loose on inspection so I figured I'd change it and thought it wouldn't be a bad idea to change the cam, lifters and oil pump while I was in there. So this brings me to another question for the engine guys: Since it is running good, is it even worth changing the cam and oil pump out, or just change the timing chain and gears and call it good? Odometer shows a little over 100K miles. Thanks in advance!
Last edited by 340clone; 09/08/19 10:41 PM.
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Re: 1973 400 4BBL HP Camshaft
[Re: 340clone]
#2695734
09/09/19 11:06 AM
09/09/19 11:06 AM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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all engines in the same family will have the same tooth count on the sprockets which is 25/50 on a big block iirc. Cloyes brand has gotten some bad reviews lately
live every 24 hour block of time like it's your last day on earth
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Re: 1973 400 4BBL HP Camshaft
[Re: 340clone]
#2695782
09/09/19 12:50 PM
09/09/19 12:50 PM
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Joined: Aug 2007
Posts: 6,095 Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,095
Valencia, España
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as mentioned the Purple shaft camshaft ( the basic one, first on the line ) is the correct one for 72/73 400 Magnums!!!... 74s are another story
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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