Installed the GMPP Intake today.. - Saturn Sky Forums: Saturn Sky Forum
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post #1 of 12 (permalink) Old 04-08-2012, 09:15 PM Thread Starter
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Installed the GMPP Intake today..

I also installed the fuel pump baffle to mute the sound of the injectors. It does a good job vs. what is in there originally.

The GMPP intake, sounds pretty interesting. You get some nice shift noises, and some strange ones when you come off the gas without shifting from my short first test drive. (The famous gooble)

I know it's noted that this modification doesn't offer a major or any HP gain. I found however, the responsiveness of the engine was improved. The cars engine felt smoother and the power seemed to come to me quicker.

It should be noted, I have a custom Trifecta tune.

It was only one short drive, so we will see. I also need to get the car retuned from Trifecta once I add on my IC pipes and HF DP.

2007 Saturn Sky Redline
2014 Corvette C7 Stingray Premier Edition


Engine:
RPi Exhaust, SOLO HF Cat, DDM IC Pipes, GMPP CAI
GMPP & Trifecta Tuned

Suspension:
LVKFB, DDM Probeam, DDM Extreme Backbone

Misc:
Crux Bluetooth BEEBG-25

Last edited by JW-Redline; 04-08-2012 at 11:04 PM. Reason: Wrote Fuel Injector Baffle, not Fuel Pump Baffle.
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post #2 of 12 (permalink) Old 04-08-2012, 09:19 PM Thread Starter
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A before and after.
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2007 Saturn Sky Redline
2014 Corvette C7 Stingray Premier Edition


Engine:
RPi Exhaust, SOLO HF Cat, DDM IC Pipes, GMPP CAI
GMPP & Trifecta Tuned

Suspension:
LVKFB, DDM Probeam, DDM Extreme Backbone

Misc:
Crux Bluetooth BEEBG-25

Last edited by JW-Redline; 04-08-2012 at 09:21 PM.
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post #3 of 12 (permalink) Old 04-08-2012, 09:19 PM
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Fuel injector baffle?
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post #4 of 12 (permalink) Old 04-08-2012, 09:21 PM Thread Starter
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This thing - http://www.crateenginedepot.com/pdfs...lProcedure.pdf

2007 Saturn Sky Redline
2014 Corvette C7 Stingray Premier Edition


Engine:
RPi Exhaust, SOLO HF Cat, DDM IC Pipes, GMPP CAI
GMPP & Trifecta Tuned

Suspension:
LVKFB, DDM Probeam, DDM Extreme Backbone

Misc:
Crux Bluetooth BEEBG-25
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post #5 of 12 (permalink) Old 04-08-2012, 09:49 PM
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I think it's the fuel pump cover. The injectors are on the engine.

09 Sky R/L
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Bought 7/7/08

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post #6 of 12 (permalink) Old 04-08-2012, 10:35 PM
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Exactly, thats the HPFP. I did it a month ago and i didnt notice a difference.

2007 Sky Redline: DDMWorks V8 Conversion- LS376 525hp 6.2L, TR6060 6-speed, Custom Magnaflow exhaust, DDMWorks Backbone brace, DDMWorks Pro Beam, BC Coilovers, Wilwood(Front)BBK, Norms Full Hardtop and Rear facia. Tuned on LS2Edit
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post #7 of 12 (permalink) Old 04-08-2012, 11:03 PM Thread Starter
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You're right, I was asleep at the keyboard here.

2007 Saturn Sky Redline
2014 Corvette C7 Stingray Premier Edition


Engine:
RPi Exhaust, SOLO HF Cat, DDM IC Pipes, GMPP CAI
GMPP & Trifecta Tuned

Suspension:
LVKFB, DDM Probeam, DDM Extreme Backbone

Misc:
Crux Bluetooth BEEBG-25
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post #8 of 12 (permalink) Old 04-08-2012, 11:07 PM
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I think most have found that the intake really is just an "audio" upgrade, b/c the stock intake is fairly efficient. You're not really getting a whole lot more air into the engine, just more aggressive intake and turbo wastegate sound.

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post #9 of 12 (permalink) Old 04-08-2012, 11:10 PM Thread Starter
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Yes, I've heard this from the forum, I'm just reporting my first initial personal feeling without an actual dyno.

I actually don't find it to be a larger intake noise at all, just the shift noise, I still hear my fantastic RPi exhaust note.

2007 Saturn Sky Redline
2014 Corvette C7 Stingray Premier Edition


Engine:
RPi Exhaust, SOLO HF Cat, DDM IC Pipes, GMPP CAI
GMPP & Trifecta Tuned

Suspension:
LVKFB, DDM Probeam, DDM Extreme Backbone

Misc:
Crux Bluetooth BEEBG-25
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post #10 of 12 (permalink) Old 04-10-2012, 09:59 AM
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Quote:
Originally Posted by bradwp View Post
I think most have found that the intake really is just an "audio" upgrade, b/c the stock intake is fairly efficient. You're not really getting a whole lot more air into the engine, just more aggressive intake and turbo wastegate sound.
Forty's car seemed to make gains with the intake he put on.
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post #11 of 12 (permalink) Old 04-10-2012, 04:21 PM Thread Starter
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I drove it a second day and I'm wondering if it's actually decreased power. Initially it felt like more power, but I realized my back end isn't kicking out all over the place like it normally does, so the perception of more linear power is in my head. Really, it could just be less power so the wheels aren't kicking out and I'm moving along faster.

I need to have my tune re-done. I'm doing some more work to the car so I'll tune it again then.

One thing I've noticed, and enjoy, is that the intake is not overbearing and takes over the sound of the car. Much appreciated!

2007 Saturn Sky Redline
2014 Corvette C7 Stingray Premier Edition


Engine:
RPi Exhaust, SOLO HF Cat, DDM IC Pipes, GMPP CAI
GMPP & Trifecta Tuned

Suspension:
LVKFB, DDM Probeam, DDM Extreme Backbone

Misc:
Crux Bluetooth BEEBG-25
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post #12 of 12 (permalink) Old 11-16-2012, 12:53 AM
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Where can you buy the GMPP CAI these days?

2008 POLAR SKY REDLINE
trifecta tune
solo mach shorty & hf cat
ddm backbone & pro-beam
blackcat led gauges
k&n CAI
opel gt antenna
rear lp led & trunk led
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Fender led's
LED DRL's
Norm's rear diffuser fascia
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