Author Topic: Boost! I'm talking 23 in each gear. Is that normal or is it special? (Read 6236 times)

GXPinKC · « **on:** September 28, 2009, 07:11:39 PM »

Please I am not

but have an honest question. I am pretty much getting used to my new Tune now and have been able to reach 23 psi in boost inall 5 gears. Is that normal with a tune or should I be reaching for more. Personally, I feel that 24 psi boost would be to much, due to my age as well as considerations for the longevity of the engine. Anyone getting 24 boost with Westers, GM, Martins, or BSR?

Deep-GXP · « **Reply #1 on:** September 28, 2009, 07:18:33 PM »

I get 25 psi in all gears with Westers. Been like this for a couple months now.
23 seems normal though.

Kelu · « **Reply #2 on:** September 28, 2009, 07:28:00 PM »

Westers with 25psi here and for a long interval of rpm, not worried at all.

DeepBlueGXP · « **Reply #3 on:** September 28, 2009, 07:37:17 PM »

the 2007 is limited by the ECM to 23, the 2008 and up is different software and is 25 PSI. Then there are those who use HPTuners to overboost and Trifecta who can control the boost via his own methods.

I'm not a programmer or tuner or affiliated to any tuner but from what I've learned, the boost # doesn't really matter too much and we are so far off the compressor map limits of the stock turbo that there isn't much more we can get out of our Borg Warner K04s.

1LILNDN · « **Reply #4 on:** September 28, 2009, 09:09:32 PM »

Joe is that the Westers race tune or other

wegman · « **Reply #5 on:** September 28, 2009, 09:18:35 PM »

i have the gm tune and the last time i saw 23psi i took it to the dealer and still havent seen her its been 3 weeks

cracked pistons bent rods almost new everything

GXPinKC · « **Reply #6 on:** September 28, 2009, 09:28:48 PM »

Quote from: wegman on September 28, 2009, 09:18:35 PM

i have the gm tune and the last time i saw 23psi i took it to the dealer and still havent seen her its been 3 weeks cracked pistons bent rods almost new everything

So very sorry wegman. Man that sucks, cracked pistons, bent rods, almost new everything, report back when you get your baby fixed, and let us know when it is in working order.

GXPinKC

Gentleman Jack · « **Reply #7 on:** September 29, 2009, 12:31:09 AM »

When I first had my 07 GXP (used with 11K miles, babied) I was getting 21 occasionally 22 psi. bone stock. Now, after putting 1500 miles on it, I only get 18 occasionally 19. The first owners completely babied the car. She told me she never had is above 65 mph and never heard the tires chirp. I am wondering if it is learning my driving and de-tuning? Either way, if I was seeing 21 stock (and I mean STOCK) than 23 should be nothing to worry about.

Gentleman Jack

DeepBlueGXP · « **Reply #8 on:** September 29, 2009, 05:51:12 AM »

Quote from: 1 LIL NDN on September 28, 2009, 09:09:32 PM

Joe is that the Westers race tune or other

More light ECM limits. I have the westers tune and I see solid 22. I have a overboost update from WG but haven't installed it yet.

Quote from: Gentleman Jack on September 29, 2009, 12:31:09 AM

When I first had my 07 GXP (used with 11K miles, babied) I was getting 21 occasionally 22 psi. bone stock. Now, after putting 1500 miles on it, I only get 18 occasionally 19. The first owners completely babied the car. She told me she never had is above 65 mph and never heard the tires chirp. I am wondering if it is learning my driving and de-tuning? Either way, if I was seeing 21 stock (and I mean STOCK) than 23 should be nothing to worry about.

Gentleman Jack

Pull fuses 42/43 for 30 seconds and then drive it like you stole it. The ECM learns your driving habits.

lil goat · « **Reply #9 on:** September 29, 2009, 11:01:23 AM »

I see over 23 on my Dashawk but never more than 23 on the DIC

Mac · « **Reply #10 on:** September 29, 2009, 04:23:27 PM »

on the way back from vegas today i hit 25psi in 4th passing a few rigs. first time and was good timing too, maybe she was think we need to move now. leveled out to 23-24, at home i see 22-23 out of the hole. might be cause vegas is higher than havasu? onlything i can think of.

GXPinKC · « **Reply #11 on:** September 29, 2009, 09:42:35 PM »

Quote from: lil goat on September 29, 2009, 11:01:23 AM

I see over 23 on my Dashawk but never more than 23 on the DIC

As Joe states, "the 2007 is limited by the ECM to 23 psi, the 2008 and up is different software and is 25 psi". So, I guess if I had a Dashawk maybe I would be there to? Anyway, I could not handle more, but it is nice to dream!

lil goat · « **Reply #12 on:** September 30, 2009, 03:00:44 PM »

Quote from: GXPinKC on September 29, 2009, 09:42:35 PM

As Joe states, "the 2007 is limited by the ECM to 23 psi, the 2008 and up is different software and is 25 psi". So, I guess if I had a Dashawk maybe I would be there to? Anyway, I could not handle more, but it is nice to dream!

I am not sure exactly what Joe means, as I understand it the 2007 can only display up to 23 on the DIC, but can boost over 23. I will get an analog boost gauge at the mod meet I hope and we can see more. The Dashawk comes direct off the OBD port which is fed by the ECM, the manual boost gauge comes off the engine, no electronics involved just a real reading of actual boost.

GXPinKC · « **Reply #13 on:** September 30, 2009, 03:13:05 PM »

Thanks so much goat.

DJTelang · « **Reply #14 on:** October 03, 2009, 07:54:32 PM »

Just got the GMPP Turbo upgrade parts installed on my 09 gxp coupe. Full throttle I've seen boost 18 psi, no higher..where I would see 13-15 max before. Is there a way I can tell if the computer flash was installed properly? There are no 'codes' or abnormal dash indicators. I assume any difference I'd see in acceleration would only be at boost higher than stock? Or are there timing changes etc that would change the torque / HP curves?

GXPinKC · « **Reply #15 on:** December 04, 2009, 12:23:40 PM »

Quote from: lil goat on September 30, 2009, 03:00:44 PM

I am not sure exactly what Joe means, as I understand it the 2007 can only display up to 23 on the DIC, but can boost over 23. I will get an analog boost gauge at the mod meet I hope and we can see more. The Dashawk comes direct off the OBD port which is fed by the ECM, the manual boost gauge comes off the engine, no electronics involved just a real reading of actual boost.

Bringing this thread back goat because you never came back to report on the result of the analog boost gauge?

snaponbob · « **Reply #16 on:** December 04, 2009, 01:03:58 PM »

Goat has not posted sine 11-27. I have installed an Autometer mechanical analog boost gauge. The nice thing about it is that the reading is direct from a port in the intake manifold with no hesitation. With the Westers tune I am seeing well over 23 psi of boost in rev ranges that the DIC showed only 23psi (07 Redline so the DIC programming limits the display to 23psi). The only issues I had with the hardware is that the little plastic line would pop out of the rubber boot on the plastic "t", so I installed 1/4" fuel line spring clamps.

Uranium-238 · « **Reply #17 on:** December 05, 2009, 03:40:49 PM »

Where's he been, anyway? You're right, it has been a while since he was last on.

GXPinKC · « **Reply #18 on:** December 06, 2009, 11:01:25 AM »

Quote from: Uranium-238 on December 05, 2009, 03:40:49 PM

Where's he been, anyway? You're right, it has been a while since he was last on.

I assume he is in self-imposed exile. I am sure he will be back.

Graywolf · « **Reply #19 on:** December 06, 2009, 07:46:18 PM »

Wegman Sorry for your busted piston and rod but at least your covered by warranty. I blew out a piston last month but my car is not covered I had a BSR tune on top of a Gm perf. tune- 25 lbs almost instant boost through out rpm range Fast for a short time . should make some people think before slapping on a bigger turbo etc. Gray Wolf

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Author Topic: Boost! I'm talking 23 in each gear. Is that normal or is it special? (Read 6236 times)

lil goat

lil goat