Advanced Resonance Tuning (ART Pipes)
#226
03-12-2010, 12:04 PM
#227
03-12-2010, 12:14 PM
I posted this up on my350z, but forgot to post it here lol.
And here's Shawn's post:
Well guys, just got back from my re-tune over at Church's Automotive. Here's the dyno graph:
The lowest run is what I made the first time I got my Osiris tune there, a couple months back. The only changes to my car since then are swapping my gamma axle back to the shockwave v2 axle back, and my hfc's to my ART pipes. I know, I know, you can't really compare that run back then to this run this morning, since it's on different days and whatnot, but it's there just for a little reference.
The car feels like it revs fast than before, especially in 2nd or 3rd gear from 2k-4k.
I've asked Shawn to chime in this thread to clarify a few things, hopefully he will when he has some time.
The lowest run is what I made the first time I got my Osiris tune there, a couple months back. The only changes to my car since then are swapping my gamma axle back to the shockwave v2 axle back, and my hfc's to my ART pipes. I know, I know, you can't really compare that run back then to this run this morning, since it's on different days and whatnot, but it's there just for a little reference.
The car feels like it revs fast than before, especially in 2nd or 3rd gear from 2k-4k.
I've asked Shawn to chime in this thread to clarify a few things, hopefully he will when he has some time.
And here's Shawn's post:
Hi all, hey fab. Just a quick note. We found that we were able to run more cam timing down low with the ART pipes. In addition, the car had leaned out slightly, so we richened the mixture back up. With no cats in place, it also tolerated another 0.5-1 deg of ignition advance.
Keep in mind that on the Dynapack, torque converter slippage can skew low rpm measurements somewhat (since the engine rpm goes up, but Dynapack measure hub rpm which does not during converter slip). However, you'll note that all three runs were done in the same way and the ART pipes, even before retuning (adding more cam advance) had an advantage already.
Interestingly enough, we did not see any high rpm power advantages before retuning. However, warm air intakes (any underhood open filter) can be a real PITA when it comes to correction factors since they're always sucking warm air even on cold days. Either way, I'm very impressed with the results. I had a chance to see some of Tony's early work on the ART setup and it looks like he's really made it perform.
p.s. - I'd really love to see them on a manual tranny so we can dyno from 1500 rpm or lower without converter slip
Keep in mind that on the Dynapack, torque converter slippage can skew low rpm measurements somewhat (since the engine rpm goes up, but Dynapack measure hub rpm which does not during converter slip). However, you'll note that all three runs were done in the same way and the ART pipes, even before retuning (adding more cam advance) had an advantage already.
Interestingly enough, we did not see any high rpm power advantages before retuning. However, warm air intakes (any underhood open filter) can be a real PITA when it comes to correction factors since they're always sucking warm air even on cold days. Either way, I'm very impressed with the results. I had a chance to see some of Tony's early work on the ART setup and it looks like he's really made it perform.
p.s. - I'd really love to see them on a manual tranny so we can dyno from 1500 rpm or lower without converter slip
#229
03-26-2010, 12:27 PM
good bump. I'm waiting as well
#232
03-29-2010, 01:12 AM
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After reading ten pages and not finding my answer Im just going to go ahead and ask it.
Where exactly does the ART pipes bolt to? If i get a resonated xyz pipe and a full catback exhaust, will the ART pipes be an additional mod to the exhuast setup or will it replace a part of the xyz or catback system>? I feel like there are so many parts to the exhaust leaving the engine, can someone just clarify what they all are
Where exactly does the ART pipes bolt to? If i get a resonated xyz pipe and a full catback exhaust, will the ART pipes be an additional mod to the exhuast setup or will it replace a part of the xyz or catback system>? I feel like there are so many parts to the exhaust leaving the engine, can someone just clarify what they all are
#233
03-29-2010, 01:14 AM
#234
03-29-2010, 01:18 AM
After reading ten pages and not finding my answer Im just going to go ahead and ask it.
Where exactly does the ART pipes bolt to? If i get a resonated xyz pipe and a full catback exhaust, will the ART pipes be an additional mod to the exhuast setup or will it replace a part of the xyz or catback system>? I feel like there are so many parts to the exhaust leaving the engine, can someone just clarify what they all are
Where exactly does the ART pipes bolt to? If i get a resonated xyz pipe and a full catback exhaust, will the ART pipes be an additional mod to the exhuast setup or will it replace a part of the xyz or catback system>? I feel like there are so many parts to the exhaust leaving the engine, can someone just clarify what they all are
these are test pipes which replace your stock CATalytic Converters. these would be right before your "catback exhaust".
#235
03-29-2010, 02:29 AM
Great post. The dyno seems a little low for Shawn's dyno. Is it because of AT or non Revup? I made 283hp untuned and 292.7 hp tuned. My tq jumped big time too. I know, I know, different days...
How much did Shawn charge for the retune? I need to get my new motor re-tuned in addition to ART's when I get them.
How much did Shawn charge for the retune? I need to get my new motor re-tuned in addition to ART's when I get them.
#237
03-30-2010, 01:56 PM
Great post. The dyno seems a little low for Shawn's dyno. Is it because of AT or non Revup? I made 283hp untuned and 292.7 hp tuned. My tq jumped big time too. I know, I know, different days...
How much did Shawn charge for the retune? I need to get my new motor re-tuned in addition to ART's when I get them.
How much did Shawn charge for the retune? I need to get my new motor re-tuned in addition to ART's when I get them.
#239
03-30-2010, 04:56 PM
