Is it just that you disable the EGR on a Series 1 L67, and it immediately acts better? No further adjustments? If so, that's awesome.

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94 SSEi - Project car
99 SLE - Tuned with different parts and such
85 Porsche 944 - Daily driver
68 Chevy C-10 - Free truck! Needs parts.

Yup! No other adjustments besides the CAI but I think in combination, I notice the IAT has dropped significantly, with the cooler charge without the EGR and the reduced exhaust backpressure from exhaust mod, this Grizz cub is ready for more air.....via a smaller pulley.

But I won't be doing that with a tranny that's about to pop anytime!

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2000 SSEi - SilverBullet - 78,000 kms, 4" "straight shot" custom headlight ram air inlet, TOGs, 1.9's, Lsd, 2.9-3.4"MPS 10-15 psi, Ported GenV, EGR eliminated, OR pushrods, oil volume kit, trani cooler & shift kit, Titanium retainers, 90 lb springs, 160 Stat, 42# injectors, Fuel pump voltage increase, Wideband O2, 3" to dual 2 1/2" Magnaflows, Snow Meth/water injection, after SC temp gauge, 255/50WR17, timing commander set 15-18*@WOT, 2 speed Fan over-ride, disabled DRL, Solid motor mount, Meziere Electric water pump, adjustable fuel pressure regulator, Drilled & slotted rotors/ceramics, GXP sway bars and STB, Upgraded and rebuilt transmission with ZZP 2500 rpm stall TC, Pioneer Bluetooth stereo with sub and 800 W amps, PB 13.5 quarter, (April 2014 car of the month)

I mentioned the outgassing and accordian because I've heard these things here many times. It's odd to hear the differing opinion to the common question. Although it would seem that getting the air as laminar as possible to stop velocity interuptions before the screen would be the way to go.

How did you disable the EGR w/o getting error codes?

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97 Ei
97 GS
98 GS

You mentioned the outgassing and accordian tube because you didn't recommend it and you're just trying to bug me!


Outgassing of the carcinogenic plastisizers in PVC may be a health problem for the human body but should not harm your engine. Don't you like that new car smell? Same stuff.
ABS also works fine. The only problem with PVC is it might break down quicker in heat. Mine is wrapped with insulation.

Bill, you more than anyone here knows the purpose of the MAF screen IS to create laminar flow caused by the turbulence of the stock accordian tube. The downside to the MAF screen is it presents a small restriction (about 5%)
If the accordian tube is removed and the flow is laminar, like using a straight shot cone intake, ala Bullet, then the MAF screen can safely be removed.

I disabled the EGR by attaching a special ZZP black box to the MAP sensor to fool the PCM.
The pinhole leak on the inlet of the EGR still exists but the valve is closed permanently.
It's amazing how this one little change has really helped this car perform!

Well I always said that a cooler intake makes for a happier engine.

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2000 SSEi - SilverBullet - 78,000 kms, 4" "straight shot" custom headlight ram air inlet, TOGs, 1.9's, Lsd, 2.9-3.4"MPS 10-15 psi, Ported GenV, EGR eliminated, OR pushrods, oil volume kit, trani cooler & shift kit, Titanium retainers, 90 lb springs, 160 Stat, 42# injectors, Fuel pump voltage increase, Wideband O2, 3" to dual 2 1/2" Magnaflows, Snow Meth/water injection, after SC temp gauge, 255/50WR17, timing commander set 15-18*@WOT, 2 speed Fan over-ride, disabled DRL, Solid motor mount, Meziere Electric water pump, adjustable fuel pressure regulator, Drilled & slotted rotors/ceramics, GXP sway bars and STB, Upgraded and rebuilt transmission with ZZP 2500 rpm stall TC, Pioneer Bluetooth stereo with sub and 800 W amps, PB 13.5 quarter, (April 2014 car of the month)

Goad me as you may, there's nothing hidden in my posts. Nor is your paranoia about my trying to cause issues correct.

Back on topic though. Please link the black box. There are some folks that will be interested in this item.

As for laminar..the accordian is known to slow velocity overall due to the air having a lack of laminar flow in the tube. Yes the maf screen straightens the air and creates the laminar flow for the maf. The tube before that, can assist in velocity though. Which leads to the questions and hopefully good discussion. Personally with or without a laminar tube before the maf screen, data collected on my car suggests the screen should be left in place for proper maf measurements. Some people see gains, some people see losses, my car saw power...but bad calcluations leading to lean conditions from troubled maf readings.

As for your outgassing and according crack, I'm not phased. My car found little difference from fully gutted airbox with K&N and accordian tube vs FWI. Do whatever works for the best price is my motto. I read the outgassing and accordian items here and thought it was odd that a "Gearhead" was not following the norms.

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97 Ei
97 GS
98 GS

Let's play nice.

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2003 Granite Metallic SSEi - 180,000 miles – All factory options
Essentials: rebuilt trans. w/ INTENSE shift kit | INTENSE FWI | INTENSE PCM | INTENSE drilled 180 t-stat | Aeroforce scan gauge
Goodyear Assurance TripleTreds | Energy Suspension endlinks
Exterior: cleared corners, cleared tails, red calipers, dual chrome exhaust tips
Interior: GXP steering wheel

Bill, I think I was one of the first to convert to a CAI and eliminate the MAF screen about 6 years ago. I posted pics of my home made cone with plastic elbow about the same time everyone else was trying to buy the first ADTR intake tube.
I have NEVER followed what you call the "norm" as a gearhead when it comes to outgassing and accordian tube/MAF screen use.
The improvement with my intake mods was noticeable. My MAF screen is still out.

It's not always about following the norm. Sometimes it's about innovation.

Here is the link for the "black box" that was already posted in my 94 EGR post, but I will include it again for those who may have missed it.
http://www.zzperformance.com/grand_prix ... &catid=107

It works like a charm without the trials and headaches of reprogramming the PCM. I would have used it for the Bullet but I had to send the Bullet PCM to Intense for the Timing Commander and new Injector calibration anyways.

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2000 SSEi - SilverBullet - 78,000 kms, 4" "straight shot" custom headlight ram air inlet, TOGs, 1.9's, Lsd, 2.9-3.4"MPS 10-15 psi, Ported GenV, EGR eliminated, OR pushrods, oil volume kit, trani cooler & shift kit, Titanium retainers, 90 lb springs, 160 Stat, 42# injectors, Fuel pump voltage increase, Wideband O2, 3" to dual 2 1/2" Magnaflows, Snow Meth/water injection, after SC temp gauge, 255/50WR17, timing commander set 15-18*@WOT, 2 speed Fan over-ride, disabled DRL, Solid motor mount, Meziere Electric water pump, adjustable fuel pressure regulator, Drilled & slotted rotors/ceramics, GXP sway bars and STB, Upgraded and rebuilt transmission with ZZP 2500 rpm stall TC, Pioneer Bluetooth stereo with sub and 800 W amps, PB 13.5 quarter, (April 2014 car of the month)

And this is your son's car? (eventually it will be again) Wow, that is a lot of work in on it, LOL.

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Bye Bye:

RIP sandrock

You may have been one of the pioneers in that, but I pioneered Stage 12 Weight Reduction!

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94 SSEi - Project car
99 SLE - Tuned with different parts and such
85 Porsche 944 - Daily driver
68 Chevy C-10 - Free truck! Needs parts.

Yep, as foolish as it might seem to try and perfect this Bonne, it's all for the love of my son.

I had to get a four wheel alignment yesterday. The left rear wheel was out quite a bit. Could have something to do with a certain curb and small ding on the rim of the wheel.

Other than a fluid change and a new modulator, I haven't touched the trani yet and the struts are tired.

Dang I love those AL7's

Probably won't be fully in the hands of my son for a couple of years yet.

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2000 SSEi - SilverBullet - 78,000 kms, 4" "straight shot" custom headlight ram air inlet, TOGs, 1.9's, Lsd, 2.9-3.4"MPS 10-15 psi, Ported GenV, EGR eliminated, OR pushrods, oil volume kit, trani cooler & shift kit, Titanium retainers, 90 lb springs, 160 Stat, 42# injectors, Fuel pump voltage increase, Wideband O2, 3" to dual 2 1/2" Magnaflows, Snow Meth/water injection, after SC temp gauge, 255/50WR17, timing commander set 15-18*@WOT, 2 speed Fan over-ride, disabled DRL, Solid motor mount, Meziere Electric water pump, adjustable fuel pressure regulator, Drilled & slotted rotors/ceramics, GXP sway bars and STB, Upgraded and rebuilt transmission with ZZP 2500 rpm stall TC, Pioneer Bluetooth stereo with sub and 800 W amps, PB 13.5 quarter, (April 2014 car of the month)

That really sucks for him then, doesn't it? I guess he did the crime, he can do the time.

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Bye Bye:

RIP sandrock

The reason has nothing to do with any wrong doing.......not totally......because he will be going to University for the next five years.
Some of you people know all too well how much money he will need to save to make it comfortably thru.

We figure by the end of his second year, he should be in a good enough position to take over fully, providing he finds good Co-op work between semesters.

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2000 SSEi - SilverBullet - 78,000 kms, 4" "straight shot" custom headlight ram air inlet, TOGs, 1.9's, Lsd, 2.9-3.4"MPS 10-15 psi, Ported GenV, EGR eliminated, OR pushrods, oil volume kit, trani cooler & shift kit, Titanium retainers, 90 lb springs, 160 Stat, 42# injectors, Fuel pump voltage increase, Wideband O2, 3" to dual 2 1/2" Magnaflows, Snow Meth/water injection, after SC temp gauge, 255/50WR17, timing commander set 15-18*@WOT, 2 speed Fan over-ride, disabled DRL, Solid motor mount, Meziere Electric water pump, adjustable fuel pressure regulator, Drilled & slotted rotors/ceramics, GXP sway bars and STB, Upgraded and rebuilt transmission with ZZP 2500 rpm stall TC, Pioneer Bluetooth stereo with sub and 800 W amps, PB 13.5 quarter, (April 2014 car of the month)

Yup... took me almost 3 years before I could actually get my own car with my own money! (the Civvy was a hand-me-down). Thank goodness for co-op internships.

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Jerry /// Past: 95 SSEi (June 2010 COTM) -- 04 GXP (July 2011 COTM)
91 Honda Civic Wagon DX 2WD (fuelly) -- 208,000km -- 92hp -- Autocross Warrior
09 Lexus LS460 AWD -- 94,000km -- Daily Driver
09 White Hot G8 GT -- 155,000km (fuelly) -- LS3 Cam -- GM LS3 CNC Ported Heads -- Kooks 1 3/4" Long Tube Headers -- Solo Catback Midsection -- Hooker Maxflow Mufflers -- Pat G Tune -- Rotofab Intake -- Tein S-Tech Springs -- GXP FE3 Dampers -- BMR Subframe Cradle Inserts -- BMR Subframe Connectors -- Forgestar F14 Gold 18x9 +40 -- Michelin Pilot Super Sport 245/45/18 -- Maverick Man Carbon Fiber Spoiler

and a *dang* nice car you got, If I do say so myself

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2009 Phantom Metallic G8 GTS
Appearance; Custom Engine Cover | HSV GTS Spoiler | GXP Front bumper | GXP rear diffuser | HSV GTS Triple Gauges with Dash/Console conversion(First in North America) | HSV GTS Sport Steering Wheel | 20% tint | Holden 6.0 Litre V8 Badges | VE Chrome Lugnut Caps | Blacked out Window & Grill Chrome | V6 door handles | Tinted Tails/Front Side Markers
Performance; Roto Fab CAI | SLP PowerFlow axlebacks | X-Pipe(mid muffler/resignator delete)
Handling; XA Coilovers

12.9199 @ 106mph
1992 SSEi

Ya but when he does graduate in 2014 he can buy a used G8 GT for about $7,500.

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2000 SSEi - SilverBullet - 78,000 kms, 4" "straight shot" custom headlight ram air inlet, TOGs, 1.9's, Lsd, 2.9-3.4"MPS 10-15 psi, Ported GenV, EGR eliminated, OR pushrods, oil volume kit, trani cooler & shift kit, Titanium retainers, 90 lb springs, 160 Stat, 42# injectors, Fuel pump voltage increase, Wideband O2, 3" to dual 2 1/2" Magnaflows, Snow Meth/water injection, after SC temp gauge, 255/50WR17, timing commander set 15-18*@WOT, 2 speed Fan over-ride, disabled DRL, Solid motor mount, Meziere Electric water pump, adjustable fuel pressure regulator, Drilled & slotted rotors/ceramics, GXP sway bars and STB, Upgraded and rebuilt transmission with ZZP 2500 rpm stall TC, Pioneer Bluetooth stereo with sub and 800 W amps, PB 13.5 quarter, (April 2014 car of the month)

Ha, thats when my payments end, atleast I'll have fun between now and then..

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2009 Phantom Metallic G8 GTS
Appearance; Custom Engine Cover | HSV GTS Spoiler | GXP Front bumper | GXP rear diffuser | HSV GTS Triple Gauges with Dash/Console conversion(First in North America) | HSV GTS Sport Steering Wheel | 20% tint | Holden 6.0 Litre V8 Badges | VE Chrome Lugnut Caps | Blacked out Window & Grill Chrome | V6 door handles | Tinted Tails/Front Side Markers
Performance; Roto Fab CAI | SLP PowerFlow axlebacks | X-Pipe(mid muffler/resignator delete)
Handling; XA Coilovers

12.9199 @ 106mph
1992 SSEi

Did the Grizz idle OK when the EGR was slightly leaking? I patched mine up and it idles great, but you touch the gas pedal and it burps and misses constantly. Just trying to figure out where to go with this, I need a direction to either intake fuel or ignition before I do any more searching.

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- Josh


1994 Bonneville SSEi - 136k mi - FWI, 180* T-stat, Fresh upper gaskets
1997 Bonneville SE - 110k mi - H4U, 3.06:1, Tinted Tails, Bridgestone Potenza G009 225/60/16s
Performance: INTENSE PCM, INTENSE 180* T-stat, Gutted air box, K&N air filter, Ported LIM, Borg Warner Wires, NGK TR-55 Plugs, Adjustable Trans Modulator.
Bells and Whistles: Flowmaster 80 crossflow muffler w/ quad tips, 2x Kicker CVR12 Subs in vented box, 1000W RMS 1-ohm American Bass Amp, Alpine MRP-F200 4-channel amp (temporary), Infinity 60.7CS 6.5" Component System (front), Blaupunkt 3-way 6x9s (rear), Pioneer DEH-P6900UB Head Unit, Hardwired Whistler Pro 58 Radar Detector, Hardwired Navigon 2100 GPS

It idled fine but would occasionally stall and every few days would throw the SES light on.

I think what was happening was the leak causes a low pressure signal from the MAP sensor so the PCM would command the EGR to open more and more until a high flow alarm was triggered.
This was also confusing the true MAP readings.
It's running so much smoother now that it's turned off permanently.

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2000 SSEi - SilverBullet - 78,000 kms, 4" "straight shot" custom headlight ram air inlet, TOGs, 1.9's, Lsd, 2.9-3.4"MPS 10-15 psi, Ported GenV, EGR eliminated, OR pushrods, oil volume kit, trani cooler & shift kit, Titanium retainers, 90 lb springs, 160 Stat, 42# injectors, Fuel pump voltage increase, Wideband O2, 3" to dual 2 1/2" Magnaflows, Snow Meth/water injection, after SC temp gauge, 255/50WR17, timing commander set 15-18*@WOT, 2 speed Fan over-ride, disabled DRL, Solid motor mount, Meziere Electric water pump, adjustable fuel pressure regulator, Drilled & slotted rotors/ceramics, GXP sway bars and STB, Upgraded and rebuilt transmission with ZZP 2500 rpm stall TC, Pioneer Bluetooth stereo with sub and 800 W amps, PB 13.5 quarter, (April 2014 car of the month)

Stupid freaking misfires/stumbling/whatever you want to call it. Think I could try blocking off the EGR inlet on the S/C and letting the EGR gas into the air? Just to see if it still stumbles... it's OK if it sets a code.

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- Josh


1994 Bonneville SSEi - 136k mi - FWI, 180* T-stat, Fresh upper gaskets
1997 Bonneville SE - 110k mi - H4U, 3.06:1, Tinted Tails, Bridgestone Potenza G009 225/60/16s
Performance: INTENSE PCM, INTENSE 180* T-stat, Gutted air box, K&N air filter, Ported LIM, Borg Warner Wires, NGK TR-55 Plugs, Adjustable Trans Modulator.
Bells and Whistles: Flowmaster 80 crossflow muffler w/ quad tips, 2x Kicker CVR12 Subs in vented box, 1000W RMS 1-ohm American Bass Amp, Alpine MRP-F200 4-channel amp (temporary), Infinity 60.7CS 6.5" Component System (front), Blaupunkt 3-way 6x9s (rear), Pioneer DEH-P6900UB Head Unit, Hardwired Whistler Pro 58 Radar Detector, Hardwired Navigon 2100 GPS

It won't hurt to try it to rule out as a cause of your troubles.

Did you check for vacuum leaks?

Did you scan for codes?

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2000 SSEi - SilverBullet - 78,000 kms, 4" "straight shot" custom headlight ram air inlet, TOGs, 1.9's, Lsd, 2.9-3.4"MPS 10-15 psi, Ported GenV, EGR eliminated, OR pushrods, oil volume kit, trani cooler & shift kit, Titanium retainers, 90 lb springs, 160 Stat, 42# injectors, Fuel pump voltage increase, Wideband O2, 3" to dual 2 1/2" Magnaflows, Snow Meth/water injection, after SC temp gauge, 255/50WR17, timing commander set 15-18*@WOT, 2 speed Fan over-ride, disabled DRL, Solid motor mount, Meziere Electric water pump, adjustable fuel pressure regulator, Drilled & slotted rotors/ceramics, GXP sway bars and STB, Upgraded and rebuilt transmission with ZZP 2500 rpm stall TC, Pioneer Bluetooth stereo with sub and 800 W amps, PB 13.5 quarter, (April 2014 car of the month)