Re: removing msd that crapped out
[Re: fal3]
#3202521
01/05/24 04:19 PM
01/05/24 04:19 PM
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Joined: Aug 2003
Posts: 43,161 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,161
Bend,OR USA
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I'm not adept at electronics, so I'm trying to make it simple for myself. Check me on this idea. Remove the msd box; follow Mopar instructions on converting points-to-electronic ignition. Engine (440) already has electronic ignition installed. Does this make sense? I've got the instructions for points-to-electronic ignition, and I kept the wiring harness and ecu orange box for electronic ignition. Thanks in advance. FL Why do you want to change it to a lesser ignition like the Mopar brand? I'm a firm believer in if it isn't broke don't fix it
Last edited by Cab_Burge; 01/05/24 04:20 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: removing msd that crapped out
[Re: TJP]
#3203128
01/07/24 11:36 PM
01/07/24 11:36 PM
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Joined: Dec 2005
Posts: 11,552 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,552
Fulton County, PA
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Replacing conventional stuff with MSD, the engine always sounds better as soon as you start it, At least to me.
I'm afraid, like every other victim of PE firms, MSD has suffered from cost cutting and production being sent overseas. Still probably some of the best stuff out there,
Daytona Sensors ignitions is getting some love from those who have swapped over. 100% USA made. May try them at some point.
If the results don't match the theory, change the theory.
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Re: removing msd that crapped out
[Re: fal3]
#3203175
01/08/24 11:18 AM
01/08/24 11:18 AM
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Joined: Jan 2003
Posts: 1,758 Windsor, ON, Canada
Diplomat360
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,758
Windsor, ON, Canada
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You didn't say which MSD 6 box, so I've attached one of the older Install instructions for the 6400 I have saved here. Point being: take a look at the Chrysler section and while reverse-engineering the wiring match this up to the factory components.
Re: 'better or worse', I've always struggled with the following in MSD's marketing: the CD boxes provide multiple spark discharges, yey, and so apparently it makes these boxes great for racing, etc...ummm, but the docs clearly state that multiple sparks go away at about 3500 RPM...soooo benefits to racing being???
From that perspective, I would actually think that box is a better choice for a street Mopar, especially something with a healthier cam (thus a bit extra overlap and rather poor mixing), that maybe struggles a bit at a lower RPM.
No hands-on experience here, although I've got the MP branded (P4876729) MSD 6ALN box here that I'm itching to try out this coming spring!
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Re: removing msd that crapped out
[Re: CMcAllister]
#3203358
01/09/24 06:05 AM
01/09/24 06:05 AM
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Joined: Jul 2003
Posts: 4,769 Holland MI Ottawa
2boltmain
master
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master
Joined: Jul 2003
Posts: 4,769
Holland MI Ottawa
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Replacing conventional stuff with MSD, the engine always sounds better as soon as you start it, At least to me.
I'm afraid, like every other victim of PE firms, MSD has suffered from cost cutting and production being sent overseas. Still probably some of the best stuff out there,
Daytona Sensors ignitions is getting some love from those who have swapped over. 100% USA made. May try them at some point. Daytona Sensors ignitions is very interesting. Claims entirely made in the USA. Reminds me of the Crane HI6 box.
Keep old mopars alive.
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Re: removing msd that crapped out
[Re: 2boltmain]
#3203365
01/09/24 07:47 AM
01/09/24 07:47 AM
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Joined: Jan 2021
Posts: 983 rust belt
Moparite
super stock
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super stock
Joined: Jan 2021
Posts: 983
rust belt
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I've removed more MSD units than I can remember. The old ones from the 70's-80's had some issues. 6 sparks as opposed to one is better for more than just performance.
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