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Speed FX 16D vs. S16D


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#1 AB75

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Posted 20 August 2023 - 09:11 PM

Ive read that someone who knows what theyre doing can tell the difference between the PS Speed FX 16D and S16D based on stack, wire gauge, etc., but Im not one of those people. What am I looking at? I bought these 10+ years ago and just dont remember. Thanks!
Adam Borkat




#2 AB75

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Posted 20 August 2023 - 09:14 PM

Photo.

 

IMG_2481.jpeg


Adam Borkat

#3 crazyphysicsteacher

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Posted 21 August 2023 - 05:15 AM

The one on the right in the photo is the S16D.

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#4 Bill Seitz

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Posted 21 August 2023 - 06:17 PM

In case you'd like to know for future reference, the 16D arm has a .600" long stack, and the S16D and S16C have .490" long stacks.


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#5 James Wendel

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Posted 21 August 2023 - 06:49 PM

We use these motors in our Hardbody classes and I always found it annoying that they made no effort to make the motors more distinguishable....
Like Parma did with their DeathStar and S16D motors (different colored endbells).
You can't always get what you want...

#6 Jay Guard

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Posted 21 August 2023 - 07:30 PM

The S16D also has noticeably larger windings.


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#7 AB75

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Posted 22 August 2023 - 06:22 AM

Thanks everyone! Do any of you happen to have a picture of the two side by side for comparison?
Adam Borkat

#8 Bill from NH

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Posted 22 August 2023 - 07:57 AM

I think in your post #2 photo both motors are 16D. I do not have a Proslot S16D for comparison, The Proslot 16D will usually run faster than the Parma 16D. It's balanced, lighter, & in my opinion, made with better materials.


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#9 James Wendel

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Posted 24 August 2023 - 01:06 PM

I pretty much agree with Bill, except I think they are both Supers (based on the distance between the end of the stack and the back edge of the opening).  I am looking at the motor in my 1970 Chevelle that won the Main Event in last night's Super Stock race at Pelican Park.  (See my thumbnail photo).

 

They also appear to have foil "security seals" which were only used on early motors, both 16D & Super.  So, yeah, 10years old sounds about right.


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#10 AB75

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Posted 08 September 2023 - 11:13 AM

Finally got a hold of the two different motors for a clear side-by side comparison. In this photo, you can see mine on left is a S16D motor with the shorter stack and thicker winds. Thanks again to everyone for your help!
Adam

Attached Images

  • IMG_2517.jpeg

Adam Borkat

#11 gotboostedvr6

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Posted 08 September 2023 - 01:22 PM

Right side is 16d
David Parrotta

#12 gotboostedvr6

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Posted 08 September 2023 - 01:22 PM

Right side is 16d
David Parrotta





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