Thank you captain obvious. As if Dave didn't already state that multiple times in this thread. Why don't you answer Alberto's question?

 

Dave,

I don't think the arguement was over whether or not a load based dyno was the preferred dyno for tuning, but that in saying that a tuner using an inertia based dyno was "guessing." That statement put a lot of people out on the tracks to defend themselves. Also calling out DD vs. DJ probably wasn't a good decision. Too many of the shops on this forum use DJ's (and tune on them). To make a blanket statement about whether or not the time and money invested in that make of dyno was wasted because the tuner was "guessing" just sent the wrong message out and opened you up for a mountain of debate.

It's safe to say that YES, YOU'RE ABSOLUTELY CORRECT IN SAYING THAT LOAD BASED DYNO'S ARE BETTER TOOLS FOR HELPING THE TUNER DO HIS JOB. But, the way it came off sounded like any tuner using an inertia based dyno wasn't doing the job correctly. Even if you didn't mean it that way, the perception is what set people off.

There are a lot of people on this board that have faith in you as a quatlity shop and tuner, but I think it's important to ensure that while promoting your business, you stay clear of potential mine fields when posting up in the FI section. These are rough waters where reputations are built and broken...

 

Because Alberto is on my "ignore list" and does not exist to me any longer..Congradulations, you just joined him as the second person there..Thanks for the 3 years of harrasing comments, but Im done with the drama, save it for someone who has time..

 

What a joke.

 

After seeing how professional MRC acts when handling public matters I'm glad I didn't make it to the dyno day.

 

I hope this thread never dies!! Both entertaining and informative.

 

Everybody notice I didnt want to start anything, I simply asked a Question-and Julian got his panties in a bunch once again. He brings this upon himself, hilarious how bad he makes himself look. BTW-amazing a tuner can't spell worth a damn--->congratulations on another internet male PMS post! And he avoided my Q cuz the answer is nobody besides the 2 shop cars have hit 11's with an MRC tune.

 

I think Julian definitely needs to change his pad and apply some 'Femfresh'.

 

I'd rather see someone acting like an a$$hole in public as opposed to a thief in the night. Too many times in this business people are all smiles and high fives to your face, but the moment you walk away they're trying to figure out just hard to skull fu(k you "nicely." If the shop can back up the claims, then I don't give a rats a$$ about personallity... After all, I've been called an a$$hole too many times to care

 

+1

 

Disagree, as a customer, there is no reason I can't have both...

 

.

 

Im sorry you feel that way..However I am tired of continually getting dragged into this drama, to have people like you who are Vinny's customers, talk trash on my personality, with no merrit to how my work turns out..There are plenty of HACKS out there, and we are not one of them..However, we dont take BS from members of this forum, or from other vendors calling foul on our dyno results.. I dont need to kiss your butt like other shops do, we have plenty of work to pick and choose from to tell you the truth..The customers that we have get something most shops dont give, HONESTY..Even if it means loosing a sale.
To tell you the truth, I have no clue who you are, nor do I care..But I thank you for not tainting my awesome dyno day with your presence..It was tough, but the other 100 people there did somehow seem to enjoy themselves, despite you not gracing us with your presence.

 

Sorry I never replied right away . I guess I didnt express my self very well . Im just saying that all of the Vendors and Tuners on this site . At one time or another have adjusted thier dyno numbers to make every one involved look better . By either setting the dyno up to read very low on the base line [ to make the final tune look better ] or added a big correction on the final tune dyno . All it leads to is alot of mistrust between every one . Every one ends up questioning what every ones else is doing and posting .
I know it will never magicly stop and that all vendors and tuners will never post a fudged dyno again . But it would be nice to think it could happen ....lol

 

That's the spirit.

 

We have never "fudged" a dyno number, at least intentionly. There was a malfunction with out weather station a while back that cause my "atmospheric" correction, which Sharif also utilizes by the way, to "over correct" the dyno based on a VERY low Barometer..This was a one time deal , and was on my car..I publicly corrected the information.
The barometer setting in the dyno is very critical and can greatly affect the HP reading based on atmospheric pressure and corrections.. I would also be useful if everyone posted their "Atmospheric" corrections with their dyno's to avoid any mis conception and confusion.
A simple 2 points on the brometer in either direction can affect the HP reading by 40-70hp believe it or not..
Also on the Dyno Dynamics, if the straps are loose, which is a trick Sharif told me on the phone one time, the HP numbers will read higher.However we make them tighter to avoid any danger of the car jumping off the roller.

 

Good thing thats not possible with a Dynojet

-George
GT Motorsports

 

you have to enter the vehicle's weight on a dyno-dynamics too right and that really plays a role in how the numbers are scaled. How do the shops with dyno-dynamics know the weight of each individual car? Even how much gas is in it will change the weight of a stock car

it doesn't matter for the sake of tuning that car though, which is mainly what matters.

 

You do not enter the vehicle weight with DD, so that's not an issue.

MRC, you must have misunderstood my comments about strapping. I was saying that unlike a DJ, where the tires sits direction on top of the roller, on the DD, the car needs to rock forward, and try to climb the rollers ever so slightly. This is the DD approved method of operating the dyno. If you overtightened your straps, you will spin the rollers (because you are pulling the car back...instead of allowing it to rock forward slightly). Overtightening the straps also has another drawback: the straps break prematurely. In 1 year, we replaced our straps just one time. At CP Racing, when they tightened the crap out of their straps, they replaced them every month. And no matter the power level, we only need two straps on our dyno.

In regards to correction, I admire your admittion, that your weather station screwed up your numbers, as it is good to post accurate information. Our new dyno automatically populates atmo correction, and we cannot change the numbers at all. My only point of contention with your dyno, is that you add the 13% arbitrary DJ correction. It's your dyno, so you can do as you wish, but unless it clearly spelled out on your dyno sheets, it creates confusion for everyone. Was this a true DD number, or was this DJ corrected number?? We tried doing the DJ correction on our old dyno, the first week we had it, and never used it again, due to the confusion it creates. Be PROUD of your DD numbers...post them unmolested!

 

Thats what I try to do, until the look on a customers face when his car only made 225 hp...They alwas opt for the DJ simulated correction.On a side note, I have gone to a local Dyno jet the same day with my car, and it was within 8whp of my correction, and it was in fact higher on teh DJ...So the correction is "about" dead on most of the time...I have however seen other shops that rent out my dyno for the day, request to add as much as 20% on their Front wheel drive turbo cars.. I dont argue, I simply do it and let them think they made 20% more HP, but Never do I do this and represent it as factual.