yea somethings not right with that.

I also have 4 inch down pipe and exhaust with no muffler

 

thanks for the info, oh by the way jeff, the cars a dream

 

talked to performance motorsports today, their dyno computer isnt networked so he cant send me the graph through email, he said i could go there with a flash drive and rip it, but its like 40 mins away, f that. then i said, dont u have a flash drive in your million dollar shop. nope

 

ok thats hilarious. if you want, just take a digital pic of the sheet and post it. noone will hate on your for the extremely ghetto way of posting it!!!!

ps, thats how one of mine is anyways

 

lol ok ill try that

 

here u go guys, worked better than i thought

 

thats odd, usually 4th gear gives the best results since its closest to a 1:1 ratio. You should put it on a dynojet to see what it puts down.

 

horsepower is calculated as work over time so gearing shouldn't matter. work is the drum spinning and time is how long it takes to accelerate the drum. we were playing around on camuman's car on the dyno and went to do a 3rd gear run thinking it would be higher because that was the general thought from forums, it was the same, within 2hp. then once we thought about it and realized that hp is work over time we tried a 5th gear run and again it was within 2hp or so. basically compared to a 4th gear run in 3rd gear you're doing less work faster, 5th gear you're more work but it takes longer, pretty interesting.

starting in 4th is a good idea since it'll be a long enough pull to get good logs and see what's going on. last time camuman went on a dynojet it was slipping in 4th so the car was tuned in 5th. that didn't throw off the numbers, you overlay the 4th gear run and the 5th gear run and they were the same until the wheel spin.

 

I've never been on a mustang dyno, but I can comment on dyno jets vs dyno paks...from my last tune thread.

I've been on both, and they read within 10whp of each other.

 

FYI on a dyno dynamics if there is additional correction added in addition to the environmental correction then you will see "Extra" at the top of the dyno graph.


However that does not prevent the user from manipulating the environmental numbers to change the correction factor.


Despite dyno to dyno comparisons.


All things being equal between runs on the same dyno with the same corrections one should be looking at the % differences.