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Yes, they can, definitely.I don't disagree with what you say, but can 2 dynos vary by 45%?
Tuned at Sam's Performance.
6spd man Vf2 LS3
Mods are OTR and HSV 2 1/2 Mid
Final dyno result was 298.4 kw atw.
I understand variables (not the first car I have gotten dyno'd) gaineddont want to put you down, but if you believe you gained 60rwkw from an otr and a tune.. that must be one hell of a tuner.
I know Sam's well, he's built engines for me, cammed and modded and tuned a few of my cars.
He's no nonsense type of guy who has a tendency to be on the conservative side with his tunes to protect your investment.
He always gives you a dyno sheet and explains the curve so post up a copy, I know he's happy to have his work scrutinised.
I'd be absolutely flabbergasted if he'd done any work without doing a baseline run, I'm sure if you asked him he'd give you a copy of that that laid over the final run as well.
I've always received all that info from him.
Apart from an engine dyno he also has a hub and rolling dyno, which of those last two did he use?
He probably did do a baseline run but I was outside on a phone call, I may call to ask them for baseline result.
It was on rolling dyno not hub
.
I understand variables (not the first car I have gotten dyno'd) gained
Teased? M8Then you must understand throwing out such a big number from what are really nothing mods without the baseline reading is going to pose questions and some with doubts.
It's not difficult to have the tuner to give you the baseline run to satisfy your own curiosity as well as those you've teased by creating this thread.