Thanks Neil, for my PSI 480 car
#1
08-15-2005, 02:40 PM
Join Date: Jun 2004
Location: Bay Area, CA
Posts: 4,105
Rep Power: 185 
Thanks Neil, for my PSI 480 car
The switch from the GIAC Stage2 to the PSI 480 package was instantly discernible.
My stage2 driving experience tells me that real torque/pull is not felt until I hit 5000 rpm. A strong boost comes on after that but redline&shift is only a blink away. The power from 2-5k rpm is still more stock like, refined and smooth. I had a EP Loud exhaust with the stage2.
The PSI 480 package, together with the PSI Loud exhaust, is absolutely devastating in the midrange punch. The boost builds quickly, very quickly, from mid 3000 rpms. At 4000 rpm, the response is instanteneous. I can feel tires slipping, from the wheel perhaps, and PSM coming on. The 480 package is only suppose to give .9 bar, but I've seen 1.0 bar in few occasions. The real difference is in how quickly boost reaches max level. This enhances the driving experience tremendously. It's extremely useful in powering out of corners.
Everyone commented on how impressive the PSI exhaust sounded yesterday on my car. With the EP2 Loud, I can hear the glorious sound. With the PSI exhaust, I can hear and feel all the rumbles through the seat. The many tiny burbles is just intoxicating to hear. It seems with the EP2 I have to work harder to get the burbles out, and they only come out in certain gear and rpm range.
When I drove a GIAC stage2 car back to back, it almost feel sedate. There is more time to think and wait for things to happen. Whereas with the PSI car, it just happens, and happens fast!
This is one case where numbers don't tell the whole story. It doesn't tell the story at all, as a matter of fact.
Anyone in the Bay Area is welcome to contact us for a ride/drive in my car.
Oh yeah, I also drove Mike's PSI 550 car. That's a whole different story all together.
Last but not least, no CEL or MAF issues with all the hard driving that I and others did yesterday. Knock on wood
Again, thanks Neil for visiting us with your genius. Look forward to many future projects with you.
I'll continue to report on my driving experience with this car in the coming days.
My stage2 driving experience tells me that real torque/pull is not felt until I hit 5000 rpm. A strong boost comes on after that but redline&shift is only a blink away. The power from 2-5k rpm is still more stock like, refined and smooth. I had a EP Loud exhaust with the stage2.
The PSI 480 package, together with the PSI Loud exhaust, is absolutely devastating in the midrange punch. The boost builds quickly, very quickly, from mid 3000 rpms. At 4000 rpm, the response is instanteneous. I can feel tires slipping, from the wheel perhaps, and PSM coming on. The 480 package is only suppose to give .9 bar, but I've seen 1.0 bar in few occasions. The real difference is in how quickly boost reaches max level. This enhances the driving experience tremendously. It's extremely useful in powering out of corners.
Everyone commented on how impressive the PSI exhaust sounded yesterday on my car. With the EP2 Loud, I can hear the glorious sound. With the PSI exhaust, I can hear and feel all the rumbles through the seat. The many tiny burbles is just intoxicating to hear. It seems with the EP2 I have to work harder to get the burbles out, and they only come out in certain gear and rpm range.
When I drove a GIAC stage2 car back to back, it almost feel sedate. There is more time to think and wait for things to happen. Whereas with the PSI car, it just happens, and happens fast!
This is one case where numbers don't tell the whole story. It doesn't tell the story at all, as a matter of fact.
Anyone in the Bay Area is welcome to contact us for a ride/drive in my car.
Oh yeah, I also drove Mike's PSI 550 car. That's a whole different story all together.
Last but not least, no CEL or MAF issues with all the hard driving that I and others did yesterday. Knock on wood
Again, thanks Neil for visiting us with your genius. Look forward to many future projects with you.
I'll continue to report on my driving experience with this car in the coming days.
#5
08-15-2005, 06:13 PM
Registered User
Join Date: Jul 2003
Location: Los Angeles, CA
Age: 45
Posts: 15,576
Rep Power: 681 
Re: Thanks Neil, for my PSI 480 car
Originally posted by collin996tt
Anyone in the Bay Area is welcome to contact us for a ride/drive in my car.
Anyone in the Bay Area is welcome to contact us for a ride/drive in my car.
#7
08-15-2005, 07:55 PM
Registered User
Join Date: Jul 2003
Location: Los Angeles, CA
Age: 45
Posts: 15,576
Rep Power: 681
Originally posted by Itzkirb
Arling, can you bring up my rollbar?
Arling, can you bring up my rollbar?
Trending Topics
#9
08-15-2005, 10:16 PM
Join Date: Jun 2004
Location: Bay Area, CA
Posts: 4,105
Rep Power: 185
Re: Re: Thanks Neil, for my PSI 480 car
Originally posted by 20C4S
i'll be in the Bay Area for a wedding around mid Oct. let's make a rental appointment now for 2 days.
i'll be in the Bay Area for a wedding around mid Oct. let's make a rental appointment now for 2 days.
In fact, I insist you take my car for couple days
#10
08-15-2005, 10:17 PM
Join Date: Jun 2004
Location: Bay Area, CA
Posts: 4,105
Rep Power: 185
Originally posted by Red Comet
Sounds great, are there any dyno charts for PSI's 480 and 550 packages in hp/lb-ft? Newton meters and whatnot make my brain hurt!
Sounds great, are there any dyno charts for PSI's 480 and 550 packages in hp/lb-ft? Newton meters and whatnot make my brain hurt!
#11
08-15-2005, 10:21 PM
Join Date: Jun 2004
Location: Bay Area, CA
Posts: 4,105
Rep Power: 185
Originally posted by Rob
Curious, how much is the PSI 480 ECU upgrade? TIA
Curious, how much is the PSI 480 ECU upgrade? TIA
#13
08-16-2005, 07:24 AM
Registered User
Join Date: Mar 2005
Location: Duluth, Ga
Age: 64
Posts: 538
Rep Power: 51
Collin,
congrats on your update !! I have the PSI 480 upgrade from Neil and I love it....like you said, the most amazing thing is the instant boost build and mid-range power and torque...feels like my NA 993 in power delivery. Very smooth with no CEL, etc. Enjoy !
Bill
congrats on your update !! I have the PSI 480 upgrade from Neil and I love it....like you said, the most amazing thing is the instant boost build and mid-range power and torque...feels like my NA 993 in power delivery. Very smooth with no CEL, etc. Enjoy !
Bill
#14
08-16-2005, 10:06 AM
Colin it was nice meeting all you guysand if you think mikes car is quick, you wait till the bad coil is replaced & some real gas.
Neil
Neil
#15
08-16-2005, 10:26 AM
Re: Thanks Neil, for my PSI 480 car
Originally posted by collin996tt
The switch from the GIAC Stage2 to the PSI 480 package was instantly discernible.
My stage2 driving experience tells me that real torque/pull is not felt until I hit 5000 rpm. A strong boost comes on after that but redline&shift is only a blink away. The power from 2-5k rpm is still more stock like, refined and smooth. I had a EP Loud exhaust with the stage2.
The switch from the GIAC Stage2 to the PSI 480 package was instantly discernible.
My stage2 driving experience tells me that real torque/pull is not felt until I hit 5000 rpm. A strong boost comes on after that but redline&shift is only a blink away. The power from 2-5k rpm is still more stock like, refined and smooth. I had a EP Loud exhaust with the stage2.
Craig