Virtual dyno - Page 11 - Dodge SRT Forum
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post #151 of 233 (permalink) Old 01-23-2013, 12:40 AM
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I say this after many attacks on forums besides this one. This forums has been pretty calm and a bunch of nice guys so far.
I'd have to imagine that most of the people that don't like this program either don't have it setup or configured properly or are butthurt over the numbers they are coming up with. It's not really so much about the numbers, as it is a great tuning aid. But at least for my setup, the numbers are a very good ballpark figure i'd imagine

They have to keep in mind that its a free program that you put your time into creating and are here for support for these forums. I appreciate it
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post #152 of 233 (permalink) Old 01-23-2013, 06:12 AM Thread Starter
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Re: Virtual dyno

The numbers were higher when I changed it to a 4th gear pull. But when I put it in third gear my number were like 160 then when I changed it to 4th gear the came up to about 270 which is about what I was figuring

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post #153 of 233 (permalink) Old 01-23-2013, 10:42 AM
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Go to File -> Car Editor and look over the numbers for your car in there. Make sure one of the gear ratios isnt off. If it is report it to me and Ill fix it in the definitions.
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post #154 of 233 (permalink) Old 01-24-2013, 11:47 AM Thread Starter
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Re: Virtual dyno

I can do that once I get home

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post #155 of 233 (permalink) Old 01-26-2013, 11:45 AM
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awesome ... keep me posted drax
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post #156 of 233 (permalink) Old 01-27-2013, 11:53 AM
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awesome ... keep me posted drax
I just checked and the gear ratios a re correct.
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post #157 of 233 (permalink) Old 01-28-2013, 07:44 AM Thread Starter
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Re: Virtual dyno

Yes they are good. Might just be a bad run

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post #158 of 233 (permalink) Old 01-28-2013, 09:20 AM
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Could be ... make sure the road is the flattest you can find, and with no gravel or pot holes as wheels spin will cause a spike.

I only left the 0 smoothing option in there so I could use it to spot spikes. It will look pretty wavy but you will definitely notice the spikes if you have any.
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post #159 of 233 (permalink) Old 01-28-2013, 10:03 PM Thread Starter
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Re: Virtual dyno

Figured out the problem. Put 17 in for wheel diameter insted of 25. Whatever. So got that fixed and put me at about 280 hp and cant remember tq. Which is what I was figuring with basic bolt ons 750cc injectors exhaust ported tb and meth

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post #160 of 233 (permalink) Old 01-29-2013, 10:06 AM
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hahaha ... nice. There is a little button beside tire size you can enter your tire specs and it will figure the diameter for you. I measure instead of using it though just so Im pinpoint accurate. The more accurate your information the more accurate VD is. Grats on figuring out the issue Drax!!
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post #161 of 233 (permalink) Old 01-29-2013, 12:42 PM Thread Starter
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Re: Virtual dyno

Thanks man I think its a really good tool and thanks for doing this for us

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post #162 of 233 (permalink) Old 01-29-2013, 02:58 PM
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Originally Posted by Barn hill View Post
hahaha ... nice. There is a little button beside tire size you can enter your tire specs and it will figure the diameter for you. I measure instead of using it though just so Im pinpoint accurate. The more accurate your information the more accurate VD is. Grats on figuring out the issue Drax!!
How about slicks? I run 24.5"s but slicks have a tendency to 'grow' at higher speed. Do you think it could significantly impact the results?
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post #163 of 233 (permalink) Old 01-29-2013, 03:09 PM
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I think the gear ratio change of the slick will matter more than that....24.5's don't grow that much to care

go ahead...change yours too now; again
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post #164 of 233 (permalink) Old 01-31-2013, 01:17 PM
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What do you have a pro mod dragster?

I guess that could make the numbers off a little bit at higher speed ... but I think your measurements of the tires is going to be off more with the human measuring factor than its going to change size. What about tread wear? These are things I worry about with my numbers. I make sure to measure myself. The more accurate and 'anal' you are about those details the closer your numbers will be.
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post #165 of 233 (permalink) Old 02-25-2013, 09:31 AM
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how do you get to show the AFR and Boost?

Stock turbo Full Bolt ons E85

Dyno Numbers
93-273hp 342trq 22psi
e85- 314hp 400trq 23psi
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