moregrip

iTrader: (8)

I was wondering how you can ensure your vehicle is tested on a dyno with various mods Correctly/Safely? Variants like: gear selection, engine mod differences (i.e. blower, turbo, N2O), how to spool it up, etc.
Are there any rules of thumb to look out for?
I now there are plenty of dyno savvy owners around here, thanks for your input,

thechef

iTrader: (13)

tell the operator what is done to the car and what gear you want to be dynoed in and what rpm to end the run at, and tell them any other needed info about your cars set up

moregrip

iTrader: (8)

Thank you, I'd like to get some basics down so I can determine whether a the dyno operator is quality oriented and performs a run correctly and safely.
Basically, a what to look for guide, before I let someone stomp on my vehicle

Johnny5

iTrader: (2)

not to hijack but I know what you mean. The only two times I have taken my car to a dyno the guys sit around for like 40 minutes trying to figure out where/how to strap it down so they don't cook their straps.

Anyone got any pics of good ways to tie down an LS1 on the dyno?

P Mack

iTrader: (6)

The dyno guy let me run the car on the dyno. Is that not the norm?

LOnSLO

iTrader: (15)

Cross the rear straps. That way the muffler won't burn them in two.

moregrip

iTrader: (8)

I'm at 13 dyno runs, I didn't hit the gas in any of them

moregrip

iTrader: (8)

things I was wondering about:

1. If your vehicle is superchared/turbocharged should the dyno operator accelerate different than a N/A vehicle?
2. Should the dyno operator take note of the speed rating on tires and not go over?
3. of 3 runs, is there one that is usually the strongest? which?
4. are there any big mistakes to look out for?

dynocar

We never use all strap, we use axle strap to axle or outer lower A-arm, as much chain as possible, then as little strap as possible. This way you can't burn the strap and it prevents the vehicle from a back and forth harmonic during pulls caused by the elasticity of long straps. Same thing by not connecting only to the axle or lower A-arms, eliminate the springiness of the car. This prevents the up/down body movement which can cause the same affect. These steps help to prevent the uneven, wavy TQ/HP graph lines often seen which will provide inaccurate information. We replace all straps regularly and double strap (four rear tie-downs) on high HP/TQ applications. EJ

moregrip

iTrader: (8)

Now that is some AWESOME info. thanks