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#1520282 03/08/06 12:01 AM
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RyeLou Offline OP
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The runs were done on a Dynapack. For those who aren't familiar with it, they actually connect two pods right to the hubs on each side of the car. It takes out the variables of tire pressure and wheel weight and stuff like that. I unfortunatly only got 2 good runs in before I started blowing vacuum lines off The third run we didn't know it had happened until after we ran the car. Boost hit 27psi, AFR hit 14.7 and it made 280hp and 360tq, haha.

The first run:
263hp
300tq

The second run:
274.5hp
323.5tq

It was the first time they had dynoed a front wheel drive turbo vehicle, so they had to tweak some things in the dyno program. They made the lead time a little bigger and also set it to hold 3000RPMs for a little longer to compensate for how quick the car builds boost. We were going to change the program a little more, but we had blown the line off and didn't know it yet. We ended up hearing it after the 3rd run and found where it was coming from. We connected everything back together but decided it would be best to stop there. I knew I needed to zip tie my vac. lines, and it's my own fault for not doing it before this. My IC arrived today, so when that goes in I'll zip tie everything together and get a catch can on there.

Oh, AFR was about 12.3 on all of them (other than the vac. line issue run).

I'll post the dyno sheets later. I need to find the disk to hook my scanner up to my computer.

Overall I'm a bit dissapointed. My mod list is pretty much the 300whp mod list (plus the intake and O2 housing minus the IC) and I only made the 275hp. I realize it's on a Dynapack, and I don't know how it compares to the generally accepted industry standard Dynojet numbers, but I would have like to see above 290hp and tq also a bit higher. Hopefully I just have a leak somewhere and will be fixed with the zip ties. Comments are welcome. Again, the charts will come later.

**I copy and pasted the above info from another SRT forum. Everything is self explanitor except the 300whp mod list. There is a list of mods that people have come up with that will generally net you 300whp give or take 5 every time you do it. It's been proven time and time again. It's rather inexpensive and thats what the people who stay with the stock turbo usually wind up doing. 300whp more or less maxes out the stock turbo anyhow (without nitrous or W/I or something else)


'03 SRT-4 50 trim turbo + support
#1520283 03/08/06 12:21 AM
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RyeLou Offline OP
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Pics are about .5MB but they're HUGE resolution and I don't feel like resizeing, so good luck if your computer doesn't do it for you, haha.

http://home.comcast.net/~rlewis311/Dyno_chart.jpg

http://home.comcast.net/~rlewis311/Bad_Dyno_chart.jpg


'03 SRT-4 50 trim turbo + support
#1520284 03/08/06 01:57 AM
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Great numbers.....I want to see that beast in action.


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#1520285 03/08/06 02:06 AM
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RyeLou Offline OP
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Thanks man. Well done on your dyno run last week or whenever it was as well. The IC should give me up to about 10hp at most but a bit more tq than that. Overall I'm happy I suppose. I think I'll always leave the dyno wishing they were higher, haha.

I'm considering switching to an S-AFC to control my fuel instead of the crappy map clamp I have on the car. The map clamp does it's job in that it makes it so my car won't blow up, but that's about all it's good for. I can control what the max AF ratio is, but not where it's at or anything before or after that point. Something like the S-AFC would be able to pull a decent amount of power out of it at all RPMs. We'll see.


'03 SRT-4 50 trim turbo + support
#1520286 03/08/06 02:16 AM
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Can't wait till you run that thing at the track! Wanna go up to Ubly in April, I'm sure you don't mind driving up there, do you


...and NO, I'm not challenging Ryan to the grudge match, just the CSVT or Tours


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#1520287 03/08/06 02:21 AM
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RyeLou Offline OP
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I'll drive wherever for some drag racing. The only day I have off is Sunday though. Hopefully I have some decent tires or slicks to get decent into the 12's, otherwise it'll be a struggle.


'03 SRT-4 50 trim turbo + support
#1520288 03/08/06 05:04 AM
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RyeLou Offline OP
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I got unlazy:



'03 SRT-4 50 trim turbo + support
#1520289 03/08/06 06:00 AM
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Sounds bout right. My buddy's put down 276whp and a bit over 300ft lbs. He wants to redyno as he had a vacuum line off and a LOT of small boost leaks.
His mods are similar to yours.
He's got a spring for the AGP wastegate coming from PTP. Right now boost is holding around 15 psi and the spring is supposed to let it hold about 17.


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#1520290 03/08/06 01:40 PM
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Wow, does any SRT-4 owner ever have all their vacuum lines on when they dyno?

J/K

Nice power but boy does it sure slope off after 5K rpm.


Former owner of '99 CSVT - Silver #222/2760 356/334 wHP/TQ at 10psi on pump gas! See My Mods '05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red '06 Mazda5 Touring, 5spd,MTX, Black
#1520291 03/08/06 02:16 PM
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RyeLou Offline OP
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Originally posted by warmonger:


Nice power but boy does it sure slope off after 5K rpm.



A large part of that is just due to the type of dyno I was on. Since the Dynapack takes off the wheels/tires and has to apply the load to the car by itself, it's pretty difficult for a Dynapack to properly dyno a turbo car. Thats why in the upper RPMs things start to taper off because it's more difficult for the machine to apply the proper amount of load to keep my boost up. My boost peaks at around 21 (just under) but by redline it's down to 14.


'03 SRT-4 50 trim turbo + support
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