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Best 7.3 starter?

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Old Aug 10, 2022 | 11:12 AM
  #1  
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Best 7.3 starter?

Going to replace it soon but I see a million threads and videos on what's best to turn over the motor overall and in the winter , y'all have any recommendations on a fairly priced starter that is better than OEM? As well as a starter relay solenoid? The last two I bought were duds
 
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Old Aug 10, 2022 | 01:01 PM
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The best ain't cheap. An authentic Denso is stronger than stock, but even with the best starter; bad cables or weak batteries won't let you use a good/great/best starter to it's full potential. Pair a Denso with larger cables and AGM batteries for best results, but that all new combo will run you $1,500


Look at enough parts store websites and you'll see some actually list the kW reading of the starter. Cheap rebuilt stock style planetary starters will range in the 1.3 - 1.7kW ratings. Brand new planetary style ones are around 2 - 2.5 kW, Denso knockoffs are around 2.5 - 3.5kW and a true Denso brand are around like 4.8kW

Those numbers are off the top of my head from last year's research on my unnecessary starter replacement, so I may be remembering a tenth off here n there but it will give you the basics of what to look for in your quest
 
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Old Aug 10, 2022 | 02:55 PM
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The 3-bolt Mitsu starters are also reputably reliable. I've been running a 3-bolter in my truck for some 7-10 years now with no issues. Alternatively, I went through three different Denso knockoffs within about 3 years, and won't play that game again. I also just happen to have two genuine Denso's sitting on the shelf in my garage right now, already rebuilt, and ready to roll when the Mitsu gives out.
 
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Old Aug 10, 2022 | 03:02 PM
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I like my genuine Denso starter which is in the video below.

Link to genuine Denso: https://cncfab.us/i-30497609-denso-g...8000-8420.html


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@RacinJasonWV has information on an alternative that is said to be very good too. It is a PowerMax or something like that... Hopefully he will be along shortly to correct my error.

 
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Old Aug 10, 2022 | 03:26 PM
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Thanks for the tag Sous. You were close, just a little off on the name. Powermaster.

I don’t have one on my 7.3, but run a Powermaster on the race car. It’s been very good. This is the route I plan to go if ever needed or if PMS needs attention. Not driving the truck enough at the moment to justify replacing my working starter.

Every review I’ve read about the 7.3 version they highly recommend it. I believe they’re made in the USA as well.

https://www.summitracing.com/parts/pwm-9051



 
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Old Aug 10, 2022 | 04:14 PM
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I'm running the PowerMaster on my 7.3

Claims to be made in USA. Has individual test results of kW rating from after it's assembly included in the box. Also used 3 bolts vs the Denso's 2 bolts. 3rd bolt is a pita to install tho
 
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Old Aug 10, 2022 | 04:17 PM
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Denso, denso......denso
 
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Old Aug 10, 2022 | 08:51 PM
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I've had one of the Napa denso style starters on mine for about 5 years nworks great and spins over way faster then before.
 
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Old Aug 11, 2022 | 08:43 PM
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Sous denso sounds like its gonna over rev the motor, it dont play with those batts and cables he has.

the two ive installed with stock cables made a huge difference also. Easily Serviceable also
 
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Old Aug 12, 2022 | 01:12 PM
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Originally Posted by F250_
The 3-bolt Mitsu starters are also reputably reliable. I've been running a 3-bolter in my truck for some 7-10 years now with no issues. Alternatively, I went through three different Denso knockoffs within about 3 years, and won't play that game again..
Thanks for reporting your experience on the Denso knock-offs. Yikes! And knock offs are becoming increasingly difficult to distinguish, especially for parts where the genuine article is made in the same country, which is an enabling factor in helping the knock offs appear so genuine. (A generalized observation, not specific to Denso starters, but all parts period.)

Anyways, I've run the OEM 3 bolt Mitsubishi inline planetary gear reduction starter now for over 22 years with no issues. I have no idea what the "best" 7.3 starter is. I just run what it brung.
 
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Old Aug 12, 2022 | 05:00 PM
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6.7 take off and the 2 bolt denso style nose cone on it.. spins faster than the Denso made for the 7.3..

There is a video on YouTube that shows the 7.3, 6.0, 6.4 and 6.7 starters tore down, and the 6.7 starter has a bigger armature and bigger bearings than the 7.3 denso...

I went this route when I needed a starter, and my truck is the fastest starting 7.3 I've ever heard, even ones with the Denso starter, sounds like a 6.7 lol.. I got a 6.7 take off starter with like 25k miles on it fairly cheap off fleabay..

It's an easy swap, it's 3 bolts IIRC, and the nose cone comes off.. has to be a denso cone, the mitsu 3 bolt will not work at all, figured this out the hard way lol
 
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Old Aug 12, 2022 | 06:28 PM
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Originally Posted by 65f100_352
6.7 take off and the 2 bolt denso style nose cone on it.. spins faster than the Denso made for the 7.3..

There is a video on YouTube that shows the 7.3, 6.0, 6.4 and 6.7 starters tore down, and the 6.7 starter has a bigger armature and bigger bearings than the 7.3 denso...

I went this route when I needed a starter, and my truck is the fastest starting 7.3 I've ever heard, even ones with the Denso starter, sounds like a 6.7 lol.. I got a 6.7 take off starter with like 25k miles on it fairly cheap off fleabay..

It's an easy swap, it's 3 bolts IIRC, and the nose cone comes off.. has to be a denso cone, the mitsu 3 bolt will not work at all, figured this out the hard way lol
There are also documentation, write ups and results right here in the 7.3L PSD Tech Folder.

Links:Truth be told, if this modification was around when I bought my Denso many years ago, I probably would have given it a shot. A good friend of mine did this and swears by it. Although, now that I have the Denso and if I need to repair it one day, the parts are cheap. So, I don't see myself ever going to the 6.7L starter. Not with this truck anyway...
 
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Old Aug 12, 2022 | 07:49 PM
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+1 for PowerMaster.
 
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Old Aug 13, 2022 | 01:34 AM
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Originally Posted by Sous
Truth be told, if this modification was around when I bought my Denso many years ago, I probably would have given it a shot. A good friend of mine did this and swears by it. Although, now that I have the Denso and if I need to repair it one day, the parts are cheap. So, I don't see myself ever going to the 6.7L starter. Not with this truck anyway...
For sure man, definitely not worth swapping if you have a good denso starter, or a repairable one, but definitely worth a shot if you like to tinker, and have a mitsu starter that's dead..
 
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Old Aug 13, 2022 | 03:21 PM
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The 6.7L starters in both our trucks are still turning the 7.3L power plants over very fast. Best bang for the buck I've spent on these trucks. I really like the fact that they're small and light weight, as I've heard of couple of the larger heavier 2 bolt units that have broken the transmission adapter where they bolt up to.
 
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