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Need dyno access

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Old Dec 2, 2004 | 12:14 PM
  #1  
SpartanDieselTech's Avatar
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From: Hendersonville, NC
Unhappy Need dyno access

Anyone here from GA, NC, TN, VA, ect...

I need some help here finding a shop with a chassis brake dyno...

I have searched and searched, but there are NO shops around here with a chassis dyno, only engine dynos

Do any of you know of any shops in this area (within a border state of NC) that has one?

I HAVE TO DYNO MY TRUCK- I cannot stand it anymore
 
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Old Dec 2, 2004 | 01:47 PM
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I hope I didn't add any fuel to this fire!
 
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Old Dec 2, 2004 | 02:22 PM
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Contact Superflow at http://www.superflow.com/ they have a list of folks with their dynos. Maybe there's someone nearby.

This is the same dyno that Superchips uses.

Daryl
 
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Old Dec 2, 2004 | 02:30 PM
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Might not be accurate then!
 
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Old Dec 2, 2004 | 05:27 PM
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http://www.dynojet.com/maps/autodynos/nc.htm
 
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Old Dec 2, 2004 | 05:55 PM
  #6  
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From: Hendersonville, NC
Originally Posted by Ben Alston
Looks like there is one 30 miles down the road in Rutherfordton, NC...

Are all those listed in that list chassis dynos, or does that include the engine dynos too?

I will give the shop a call tomorrow.
 
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Old Dec 2, 2004 | 05:58 PM
  #7  
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Originally Posted by PSD 60L Fx4
Looks like there is one 30 miles down the road in Rutherfordton, NC...

Are all those listed in that list chassis dynos, or does that include the engine dynos too?

I will give the shop a call tomorrow.
You still alive?
 
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Old Dec 2, 2004 | 06:01 PM
  #8  
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Originally Posted by Todder
You still alive?
Yes, thanks to UPS's 2-day *overnight* shipping



It'll be here tomorrow though...
 
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Old Dec 2, 2004 | 06:06 PM
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Originally Posted by PSD 60L Fx4
Yes, thanks to UPS's 2-day *overnight* shipping



It'll be here tomorrow though...

I was expecting you to call, getting me all excited and feeling all tingly inside. I can't wait to hear about that thing. I am seriously thinking about it. I'll be looking for your call, I bet you will call when you heading down the interstate cruising at 135 mph. Its gonna be nuts. Talk to ya tomorrow.
 
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Old Dec 2, 2004 | 06:08 PM
  #10  
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From: Hendersonville, NC
Originally Posted by Todder
I was expecting you to call, getting me all excited and feeling all tingly inside. I can't wait to hear about that thing. I am seriously thinking about it. I'll be looking for your call, I bet you will call when you heading down the interstate cruising at 135 mph. Its gonna be nuts. Talk to ya tomorrow.


SHHHHHHHHHH.....

Stay quiet...

BTW guys, thanks for the info
 

Last edited by PSD 60L Fx4; Dec 2, 2004 at 06:24 PM.
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Old Dec 3, 2004 | 06:30 AM
  #11  
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All this secrecy makes me wonder what you gents are up to ...hehe
 
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Old Dec 3, 2004 | 09:29 AM
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One thing to keep in mind is that many of the intertia dynos, especially the dynojet ones, don't have enough mass in the rollers to really hold back a PSD well enough to get a real picture of the true output. This would be especially true of a PSD on steriods.

That is why an eddy current dyno with its additional load capability is really necessary.

So with any of the intertia chassis dynos, you can get a picture of what the truck is doing and how any mods have affected the performance - as long as you always go back to the same dyno. A different inertia dyno with the same truck will likely give you different results.

A brake dyno will give you a more true reading of the power output, than an inertia for a number of reasons. There is a SAE doc - SAE 2002-01-0887 - that is very interesting reading on the subject.
 
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Old Dec 3, 2004 | 11:14 AM
  #13  
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we are having a dyno diesl day in jacksonville north carolina tommorrow.waynes dyno of jacksonville
 
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Old Dec 3, 2004 | 11:28 AM
  #14  
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Originally Posted by darylhunter
One thing to keep in mind is that many of the intertia dynos, especially the dynojet ones, don't have enough mass in the rollers to really hold back a PSD well enough to get a real picture of the true output. This would be especially true of a PSD on steriods.

That is why an eddy current dyno with its additional load capability is really necessary.

So with any of the intertia chassis dynos, you can get a picture of what the truck is doing and how any mods have affected the performance - as long as you always go back to the same dyno. A different inertia dyno with the same truck will likely give you different results.

A brake dyno will give you a more true reading of the power output, than an inertia for a number of reasons. There is a SAE doc - SAE 2002-01-0887 - that is very interesting reading on the subject.
An eddy current is a must for an automatic, as you cannot pick a gear like a standard and make your runs all in one gear.

If you were dynoing a standard, an inertia dyno would work just fine, because there is correction factors for dynojet inertia dynos according to the weight of the vehicle being dynoed.

I am kinda a dyno freak when it comes to harley's and that is all I have ever used, was the dynojet 200. Y ou do have to kinda know hp and tq and what your after when using an inertia dyno, as they are harder to tune with than an eddy current dyno. You can create so many more scenarios with the eddy current. With the inertia, all you really get is where you are at #'s wise.

Ryan
 
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Old Dec 3, 2004 | 11:49 AM
  #15  
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I was under the impression that 2nd gear on the shifter will hold 2nd gear but this still may be too low.
 
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