DUI Distributors
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Senior User
Joined: Jan 2010
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From: Independence
DUI Distributors
Anyone here have experience intalling a DUI Distributor? I just picked one up on the cheap for my 300 and was wondering if it is a pain in the butt to wire and whether I should replace the gear with a brass gear. Do I need to do anything to the oil pump shaft for it to work? Any input would be greatly appreciated!
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Joined: Dec 2007
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From: Boise, Idaho
From what I've heard, DUI is pretty close to (if not) the top of the line. All it needs is a 12v key source, so it's 1 wire. You can remove your coil and ignition module, since it's all integrated into the unit.
It also has upgraded gears, so you don't need to mess with those either.
I can't see why you'd need to do anything with the oil pump shaft.
I know a DUI setup is on my want list.
It also has upgraded gears, so you don't need to mess with those either.
I can't see why you'd need to do anything with the oil pump shaft.
I know a DUI setup is on my want list.
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Joined: Jan 2010
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From: Independence
Thanks for the info. I do have a question for you on another issue. What did you do as far a the throttle linkage bracket goes when you updated your truck from a 1 bbl to a 4 bbl?
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Joined: Dec 2007
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From: Boise, Idaho
One thing you might look into with the DUI is contacting them about recurving it. DUI distributors are custom curved to your specific engine for the best performance. If you got one someone else had, it may be tuned for theirs, not yours. They should be able to recurve it for you.
For the throttle linkage, the stock bracket will no longer work at all, since it bolts to the stock intake.
I originally built my own out of some scrap metal, but recently bought myself the Lokar SRK-4000, which worked really well.
For the throttle linkage, the stock bracket will no longer work at all, since it bolts to the stock intake.
I originally built my own out of some scrap metal, but recently bought myself the Lokar SRK-4000, which worked really well.
Postmaster
Joined: Mar 2005
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From: Earth
I can't speak to the DUI but I put one of their Duraspark distributors in my Bronco and it's cherry. No wiggle in the shaft and spins freely. It's not stand alone like the DUI but gives me the option of using a multi-spark CD ignition in the future. Or not, it runs sweet as candy with the DSII.
Lead Driver
Joined: Jul 2009
Posts: 6,477
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From: Sheffield, AL
I can't speak to the DUI but I put one of their Duraspark distributors in my Bronco and it's cherry. No wiggle in the shaft and spins freely. It's not stand alone like the DUI but gives me the option of using a multi-spark CD ignition in the future. Or not, it runs sweet as candy with the DSII.
Lead Driver
Joined: Mar 2008
Posts: 7,193
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From: Near Los Angeles
I pulled my dizzy from the j/y, a DS2, and took it to a shop with a Sun dizzy machine. They rebuilt it with a bronze gear, bearings replaced the bushing in the bottom, and they recurved it to my cam, for $175. I coupled it with an MSD box and keep a GM 4pin on the fender with wire in case the MSD fails.
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Joined: Jan 2010
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From: Independence
Got the distributor back yesterday after having it recurved, got it all put together this morning and it truly was a one wire plug and play. Throttle response is so much better than before. I'll let you know how I feel about it after a couple of days driving it.
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Joined: Dec 2007
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From: Boise, Idaho
So, I have a DUI in the mail headed my way, and was doing a search on google for a good 12v source. This is one of the threads that came up.
Monte1go, would you mind sharing where you connected your 12 key-on source to?
Thanks!
Monte1go, would you mind sharing where you connected your 12 key-on source to?
Thanks!
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Joined: May 2014
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From: Charlotte
Have you regapped your spark plugs to .054 and upgraded your wires to handle the extra voltage.
Abandoned, I spliced mine into the hot wire to the old distributor. Im an amatuer and the hardest part of the install was just finding TDC.
Abandoned, I spliced mine into the hot wire to the old distributor. Im an amatuer and the hardest part of the install was just finding TDC.
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Joined: Dec 2007
Posts: 7,987
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From: Boise, Idaho
I'll check around the wire to the DSII. What about on the ignition switch?
Otherwise, a relay sounds like it could work well. Just trying to avoid one more electronic component that could fizzle.
Otherwise, a relay sounds like it could work well. Just trying to avoid one more electronic component that could fizzle.
