Sts - Wrapped Exhaust -- Inside!!!!!
Originally Posted by koolaid_kid
I wouldn't think so. All you are doing is increasing the efficiency of the turbo.
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Originally Posted by koolaid_kid
I wouldn't think so. All you are doing is increasing the efficiency of the turbo.
Originally Posted by engineermike
Right, but increasing the efficiency of the turbo means that it'll take less exhaust pressure go create a given amount of boost. Less exhaust pressure means less residual exhaust in the cylinder, meaning more air in the cylinder, meaning more air flow per psi boost, etc. . .
Those who have done this mod have reported faster spool up times as the most noticeable change.
Has a verdict been reached as far as what setup is seeing the best results?
bbq paint or high temp silicone (which seems to last longer?)
then HVAC (does homedepot sell this stuff?)
then header wrap? (autozone sells this?)
seems that some are saying HVAC stuff doesnt help and others disagree.
Still interested in the tune issue also. Even if a tune is not "needed" it could still benefit from utilizing the changes in spool and exhaust efficiency IMO
bbq paint or high temp silicone (which seems to last longer?)
then HVAC (does homedepot sell this stuff?)
then header wrap? (autozone sells this?)
seems that some are saying HVAC stuff doesnt help and others disagree.
Still interested in the tune issue also. Even if a tune is not "needed" it could still benefit from utilizing the changes in spool and exhaust efficiency IMO
TRT just did mine...I'm picking it up this afternoon. Billy (who is awesome btw) emailed me and said that Dustin was tuning it and driving it around...said it was pulling incredibly hard...like a totally new car. I'm looking forward to confirming his statements tonight 
About the tune, yes, you need a few tweaks. Timing tables in particular will need to be changed to compensate for boost kicking in. PE Tables will need to be adjust slightly as well to add more fuel at lower rpms. Not to mention...doing this has a tendency to make you run more boooossstttt. I have a 7.4psi spring the wastegate and only hit 6.5psi after running the crap out of it...I should pick up that extra pound now.
About the tune, yes, you need a few tweaks. Timing tables in particular will need to be changed to compensate for boost kicking in. PE Tables will need to be adjust slightly as well to add more fuel at lower rpms. Not to mention...doing this has a tendency to make you run more boooossstttt. I have a 7.4psi spring the wastegate and only hit 6.5psi after running the crap out of it...I should pick up that extra pound now.
Excellent. We would be most interested to see the increase in horepower and torque. A comparison in curves would also be nice to see, since it should be coming into boost at lower rpms than unwrapped.
Good info on the tweaks as well, since someone with programming software should be able to figure it out, although on a dyno would obviously be easier and quicker.
Score another one for TRT. Sure wish they would have been around when I bought mine. I would have made the trip to Texas just to have them do the work.
Good info on the tweaks as well, since someone with programming software should be able to figure it out, although on a dyno would obviously be easier and quicker.
Score another one for TRT. Sure wish they would have been around when I bought mine. I would have made the trip to Texas just to have them do the work.
Actually, I'm not getting it redyno'd... 
Maybe I'll will though now. I was looking for more efficiency for the most part. I'm not really into drag racing at the track, I just wanted to spool quicker on the street and maybe better gas mileage.
Maybe I'll will though now. I was looking for more efficiency for the most part. I'm not really into drag racing at the track, I just wanted to spool quicker on the street and maybe better gas mileage.
Originally Posted by mattslightning
yeah I did the same. What a difference it makes! I actually bought 2 rolls and need to buy another roll to finish just have been to lazy. The reason it helps is because hot air is more dense they say.
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Originally Posted by pdanrichey
Actually, I'm not getting it redyno'd... Maybe I'll will though now. I was looking for more efficiency for the most part. I'm not really into drag racing at the track, I just wanted to spool quicker on the street and maybe better gas mileage.
Maybe I'll will though now. I was looking for more efficiency for the most part. I'm not really into drag racing at the track, I just wanted to spool quicker on the street and maybe better gas mileage.Not racing, eh? Just trying to get to the grocery store a little quicker?
No, I own HP Tuners and TRT is re-tuning it for a small(er) fee. It's just the Dyno Time that cost another $50. I'm trying not to **** off the wife anymore than I already have 
.
All it will cost me would be another $50 to get it dyno'd on the same dyno I got the original runs done on.
.All it will cost me would be another $50 to get it dyno'd on the same dyno I got the original runs done on.
Originally Posted by CantKeepemhooked
my question is....... if the exhaust gases are hotter which touches the turbo, wont the heat just transfer over to the air impeller side and increase IAT? i read this entire thread and havent seen this question
However, heat is a form of energy. The turbo uses this heat to provide more power. The entire theory is a bit beyond this thread, but you can read more here which may help to explain why. (My apologies for having used a ricer site, but it is fairly well written and they tend to avoid engineering-eze).
http://www.dsm.org/menu.epl?item=246
They re-tuned mine but I didn't get it re-dyno'd. I am pushing 7psi now vs 6.5 psi before. The boost also kicks in a lot quicker and the lag is mostly gone.
I'm guessing I picked up about 12 - 15HP on the top and probably 20ish under the curve. It definitely pulls harder down low. In 5th gear at 70ish mph, if I push the pedal down half way, it goes into boost, which is kind of bad b/c it a MAF tune, not SD...
I'm guessing I picked up about 12 - 15HP on the top and probably 20ish under the curve. It definitely pulls harder down low. In 5th gear at 70ish mph, if I push the pedal down half way, it goes into boost, which is kind of bad b/c it a MAF tune, not SD...
My exhaust housing fell apart this afternoon
Not exactly sure what happened other than the lip came undone from the housing...so my exhaust tip, "down-pipe" if you will, is no more
It's wickedly homo if you ask me...I didn't even know this could happen???!!!
So, back to TRT I go to have them pull the housing off, clean er up and weld the pipe and lip back on. This really is becoming a money pit!!
I guess it's alright to drive for now except I want to keep it out of the rain, so that limits me for the next few days
.
Not exactly sure what happened other than the lip came undone from the housing...so my exhaust tip, "down-pipe" if you will, is no more
It's wickedly homo if you ask me...I didn't even know this could happen???!!!
So, back to TRT I go to have them pull the housing off, clean er up and weld the pipe and lip back on. This really is becoming a money pit!!
I guess it's alright to drive for now except I want to keep it out of the rain, so that limits me for the next few days
.