Anyone ever have there car run on a dynapack dyno,or have any knowledge of one.You remove the rear tires and bolt it to each axle.It is controled buy hydraulics.How does it compare to the dynojet and mustang dyno?

 

I run my car on a dynapack all the time since thats what we have at work. People say its more acurate for tunning the engine setup since it does connect right to the car and it eliminates the rims and tire mass. Also when your setting the car on the dyno you set it for a 1:1 ratio so gears wount play with hp numbers.

Heres a Vid of my car on the dyno...

http://www.youtube.com/watch?v=R3CF4QjIn9k

 

Where do you check the a/f ratio.The bung in the cat or at the tail pipe?I am going to put my car on one next sat,but have only been on the dyno jet.

 

you can check it before the cat or at the tailpipe just depends on the shop

 

Well put the 07 gt on the dyno pack last weekend.Just like the mustang dyno,he said the brenspeed 91 tune was to lean.He checked it in the tailpipe and said it was 13.6 and that it was to lean.I let him make some adj. and he brought it down to 12.8.The timing was 38 degress.He pulled it down to 34.His graph showed more hp after the adj.I sent these to brenspeed and they say 13.6 at the tailpipe is good,and no way they put that much timing in the program.So who knows.