finally got it on the dyno....

[1fstavant]

finally got it on the dyno, unfortunately i couldnt get 30 lbs so the the first run was at 22 and the rest were between 22 and 26, the one line that stops was somewhere around psi on my gauge could be 35-40lbs do not know...however the graph did seem pretty nice

here you go mind you this was on a 100 plus day:

[Russell2686]

thats sweet man, i think i saw your avant at waterfest today, it was good to see you repping the avants and the BAT at the same time. Def should have been more of them showing.

[1fstavant]

thanks man...it was fun i just wish i could haved gotten to see what 30 was like!

[Poopie]

thats sick man. good numbers.

[JumboBlack1.8]

Wow....great numbers....Where are you located?

[Poopie]

I was also there when the judges were looking at your car. They were wondering where the hell you were. I should have pretended to be you so you car could get judged. Oh well. hows the tapp tune treating you?

[SFexBOY]

were you parked @ the Ramada in East bruns Friday?

[AudiA4_20T]

Hey man looks good. I was the one asking you a few questions when you were on the dyno... I got my 50 trim going in soon...

So was that on pump gas? and this

"the one line that stops was somewhere around psi on my gauge could be 35-40lbs do not know"

what does that mean? 35-40lbs of what? I thought you said the boost was between 22-26psi

[1fstavant]

no not at the ramada...the tune is lovely i think i could have brought it to 30 with out problems and on a nice cold day with good cooling i could hit over 4....im setting up a another dyno soon should be better...

[Poopie]

were you running race gas? I'm surprised you bumped up the boost that high on stock compression. At that point you are probably sacrificing a lot of timing to keep the motor happy.

Another note, its a bit strange that the HP and Torque don't seem to intersect at all even after you correctly scale the graphs. They usually cross at 5250 rpm.

[1fstavant]

i was on 116 sunoco race gas....i will drive it at 25lbs on pump all day long...the one run that the guy let off is not on the plot and that run the boost skyrocketed to where it says psi in my guage...

[kextyn]

what does that mean? 35-40lbs of what? I thought you said the boost was between 22-26psi

35-40lbs per square inch

[AudiA4_20T]

35-40lbs per square inch

I see, I just didnt understand how he went from 22 to 26.... I thought he was on pump but he wasnt so it makes sense

[1fstavant]

what i meant by between those two is that one run i ran like 22 and kept bumping it up till i hit 26

[94jedi]

wow...so my "little" 50 trim had some definite potential! awesome numbers! I would have liked to see some numbers on good ole 93 pump too though.

[1fstavant]

that dyno will probably be coming up in a week or two in a shop with real fans and a much colder day

[k0mpresd]

Another note, its a bit strange that the HP and Torque don't seem to intersect at all even after you correctly scale the graphs. They usually cross at 5250 rpm.

what he said.

[Nebone]

I felt that power shake me from inside out man. Good results!

I got some pictures and have a picture of the 377 whp run if you want it.

[djwimbo]

Another note, its a bit strange that the HP and Torque don't seem to intersect at all even after you correctly scale the graphs. They usually cross at 5250 rpm.

This is something I never understood.

---

I watched your car get dyno'ed. Pretty damn decent numbers. I tried videotaping one of your runs, but I ran out of room on the memory card.

Bumping it up from 22 to 26psi made the world of a difference from the spectator's point of view. That thing sounded f-in amazing on 26psi.

[Poopie]

because dynos measure torque...and horsepower is a function of torque. Horsepower is calculated off torque....so if you have a torque curve, you also have a horsepower curve.

Horspower = (Torque(ft lbs) X RPM) / 5250

[bassed]

My plots from Sunday don't cross up at 5250 at all or anywhere near for that matter. That dyno was 1) beyond off and 2) the heat and humidity were brutal.

[k0mpresd]

^ what did you put down?

[djwimbo]

because dynos measure torque...and horsepower is a function of torque. Horsepower is calculated off torque....so if you have a torque curve, you also have a horsepower curve.

Horspower = (Torque(ft lbs) X RPM) / 5250

I've seen the calculation before, I just never messed with it to see why. I get it now.

(300ft lbs @ 5250rpm)/5250 = 300HP
The 5250's cancel and the numbers match.

[t1demont1]

yup thats why the numbers are supposed to cross at 5250. buut say you make 300tq at 7000 rpm, then technically you should make 400hp at 7000rpm. (300x7000)/5250=400hp

[Poopie]

you will always make more hp then torque after 5250 rpm.

[mike-2ptzero]

It doesn't cross at 5250 because the hp and tq scales are not equal. The hp is scaled for a max 400 reading and the tq is scaled for a max 350 reading. If they were both scaled for 400 the 2 lines would cross at 5250.

[SoFresh]

nicely done

[pipe7284]

good numbers.

[1fstavant]

so mike what do ya say wanna reclassify my lil avant now...?

[djwimbo]

What do you have for internals? Are you still 1.8, or upped it to 1.9-2.0?

[1fstavant]

1.8 still only rods....however i believe my head is about to go sooo maybe cams and some other more safe yet high rev goodies might be going on...

[djwimbo]

Nice.

I was just doing the math and tinkering around,... in order to make as much power as you did, you would have to make 200% volumetric efficiency. Or more.

At 26 psi that turbo is working pretty damn hard. I looked and sounded great though.

[aaronamerica]

Nice numbers!!! what race gas file do you have 104oct or c116file???

[1fstavant]

104 but when i put them down it was about 5galons of 93 and 8 and a half of 116 so pretty much what ever that breaks down too

[1fstavant]

the best part was there was way more to go the curve only seemd to be better when the boost got higher...i cant wait to hit another dyno at 30psi or more

[Poopie]

works out to be about 106oct

[aaronamerica]

how was your afr

[aaronamerica]

works out to be about 106oct

what about 5gal of 116oct. with 7.5gal of 93oct???

[1fstavant]

no clue on those pulls but generally between 11.1-11.5 on pump at 25lbs so i assume roughly the same. i never got to sit in the car during the pulls

[1fstavant]

the only thing worring me was i loged it yesturday at 20lbs on the mix or whats left of it and im pulling timing upwards of 38 degrees on a hard 3rd gear pull