991.2 Carrera IPD Plenum testing results
02-08-2018, 02:24 PM
#16
how am I being stuck up, your being selfish. The boards are for us to talk about our cars and gain knowledge but instead your trying to pawn off your used parts. Use the for sale section, instead of completely jumping off topic and selling parts that doesn’t even pertain to this thread.
02-08-2018, 03:52 PM
#18
6th Gear
Join Date: Feb 2018
Posts: 6
Likes: 0
Received 0 Likes
on
0 Posts
02-23-2018, 03:57 AM
#24
Nice mid-range improvement. Interested to see what it would do for 991.2 GTS.
The following users liked this post:
ScottpGTS (09-29-2020)
03-28-2018, 12:44 AM
#25
Ok, I bought the IPD Plenum. It took forever to get here, even after paying extra for shipping. IPD cut a digit off my phone number, so the package was stuck in customs for a week. Finally got an email about an abandoned package.
Paid more money. Waited more time, eventually it showed up. Huge dramas fitting it. IT DOESN'T FIT. It is not direct bold on.
Now my car is a GTS. They sell you one from "The TURBO" and say its the same. They say theirs is identical to the stock one.....Cough Cough. IDENTICAL? lets just disprove that right now shall we?
If you look at the picture that Sticky provided, IPD Plenum has a tube on the Right side sticking straight up in the air. If you look at the Stock Plenum, it has that tube, Exactly in the CENTRE of the plenum, and not off to the right.
Now I can see because of the Y shape, they cannot have the Stick in the centre. So they moved it to the Right. It fouls on a bank of solenoids. What solenoids you ask.....Great questions, the ones that are NOT on "THE TURBO" but are on the 991.2 GTS.
So not only is the IPD not exactly the same as the one coming off, it doesn't bolt straight in. So it took a hell of a lot longer to fit. Things had to be moved!!! My installer said it is still rubbing and after a few years may wear away and cause a hole. So IPD need to retool, and make a small adjustment, to allow it not to foul on the solenoids, that they obviously never knew were there.
For those that do not live in the USA, the cost of this thing just keeps hitting you. By the time you pay exchange rates, shipping, import duty, and then extended fitting because it doesn't bolt straight in, you can double the cost of it.
Did it make a difference.......Yeah. Was it huge? No. Was it there, Yes. I'll be keeping it. If they retool, they should send me a replacement for all the BS I had to go through.
Paid more money. Waited more time, eventually it showed up. Huge dramas fitting it. IT DOESN'T FIT. It is not direct bold on.
Now my car is a GTS. They sell you one from "The TURBO" and say its the same. They say theirs is identical to the stock one.....Cough Cough. IDENTICAL? lets just disprove that right now shall we?
If you look at the picture that Sticky provided, IPD Plenum has a tube on the Right side sticking straight up in the air. If you look at the Stock Plenum, it has that tube, Exactly in the CENTRE of the plenum, and not off to the right.
Now I can see because of the Y shape, they cannot have the Stick in the centre. So they moved it to the Right. It fouls on a bank of solenoids. What solenoids you ask.....Great questions, the ones that are NOT on "THE TURBO" but are on the 991.2 GTS.
So not only is the IPD not exactly the same as the one coming off, it doesn't bolt straight in. So it took a hell of a lot longer to fit. Things had to be moved!!! My installer said it is still rubbing and after a few years may wear away and cause a hole. So IPD need to retool, and make a small adjustment, to allow it not to foul on the solenoids, that they obviously never knew were there.
For those that do not live in the USA, the cost of this thing just keeps hitting you. By the time you pay exchange rates, shipping, import duty, and then extended fitting because it doesn't bolt straight in, you can double the cost of it.
Did it make a difference.......Yeah. Was it huge? No. Was it there, Yes. I'll be keeping it. If they retool, they should send me a replacement for all the BS I had to go through.
03-28-2018, 01:08 AM
#26
Ok, I bought the IPD Plenum. It took forever to get here, even after paying extra for shipping. IPD cut a digit off my phone number, so the package was stuck in customs for a week. Finally got an email about an abandoned package.
Paid more money. Waited more time, eventually it showed up. Huge dramas fitting it. IT DOESN'T FIT. It is not direct bold on.
Now my car is a GTS. They sell you one from "The TURBO" and say its the same. They say theirs is identical to the stock one.....Cough Cough. IDENTICAL? lets just disprove that right now shall we?
If you look at the picture that Sticky provided, IPD Plenum has a tube on the Right side sticking straight up in the air. If you look at the Stock Plenum, it has that tube, Exactly in the CENTRE of the plenum, and not off to the right.
Now I can see because of the Y shape, they cannot have the Stick in the centre. So they moved it to the Right. It fouls on a bank of solenoids. What solenoids you ask.....Great questions, the ones that are NOT on "THE TURBO" but are on the 991.2 GTS.
So not only is the IPD not exactly the same as the one coming off, it doesn't bolt straight in. So it took a hell of a lot longer to fit. Things had to be moved!!! My installer said it is still rubbing and after a few years may wear away and cause a hole. So IPD need to retool, and make a small adjustment, to allow it not to foul on the solenoids, that they obviously never knew were there.
For those that do not live in the USA, the cost of this thing just keeps hitting you. By the time you pay exchange rates, shipping, import duty, and then extended fitting because it doesn't bolt straight in, you can double the cost of it.
Did it make a difference.......Yeah. Was it huge? No. Was it there, Yes. I'll be keeping it. If they retool, they should send me a replacement for all the BS I had to go through.
Paid more money. Waited more time, eventually it showed up. Huge dramas fitting it. IT DOESN'T FIT. It is not direct bold on.
Now my car is a GTS. They sell you one from "The TURBO" and say its the same. They say theirs is identical to the stock one.....Cough Cough. IDENTICAL? lets just disprove that right now shall we?
If you look at the picture that Sticky provided, IPD Plenum has a tube on the Right side sticking straight up in the air. If you look at the Stock Plenum, it has that tube, Exactly in the CENTRE of the plenum, and not off to the right.
Now I can see because of the Y shape, they cannot have the Stick in the centre. So they moved it to the Right. It fouls on a bank of solenoids. What solenoids you ask.....Great questions, the ones that are NOT on "THE TURBO" but are on the 991.2 GTS.
So not only is the IPD not exactly the same as the one coming off, it doesn't bolt straight in. So it took a hell of a lot longer to fit. Things had to be moved!!! My installer said it is still rubbing and after a few years may wear away and cause a hole. So IPD need to retool, and make a small adjustment, to allow it not to foul on the solenoids, that they obviously never knew were there.
For those that do not live in the USA, the cost of this thing just keeps hitting you. By the time you pay exchange rates, shipping, import duty, and then extended fitting because it doesn't bolt straight in, you can double the cost of it.
Did it make a difference.......Yeah. Was it huge? No. Was it there, Yes. I'll be keeping it. If they retool, they should send me a replacement for all the BS I had to go through.
Besides the fitment and the shipping hassle, can you go into more detail on the differences you noticed?
03-28-2018, 01:13 AM
#27
I go roll racing, and happy laps. You race on the straights, and behave a little bit around the corners. There were a couple of cars that were very close, but beat me, before the plenum.
After the plenum, I won consistently. Not very scientific, but I am not here to sell IPD plenums. I tried to do a before dyno. The car heat soaked so badly, it put down poor power. They only had one fan on the front.
I see guys in the states, with front and back and two on the sides. So no dyno sorry. But I did beat a lot of cars. Some that I hadn't beaten before, So I am happy that it has made a difference.
03-28-2018, 01:23 AM
#29
Not yet, but I will get out there. I really don't like the Pirelli tyres. I will do a few skid pan days, to shorten their lifespan. Then put Cup2's on it.
This car is exceptional. Everyone misses the article that said it matched the time of a 991.1 GT3 RS at the ring, just by putting decent tyres on it. (Corsa) I will go Cup2.
Not special aero, no special suspension, no track weapon, just tyres and it matches GT3 RS. (point 1) Boost is the way of the future.
Image this tunes, headers, akra cats and exhaust, and Ohlins, it would destroy even the point 2 RS.
This car is exceptional. Everyone misses the article that said it matched the time of a 991.1 GT3 RS at the ring, just by putting decent tyres on it. (Corsa) I will go Cup2.
Not special aero, no special suspension, no track weapon, just tyres and it matches GT3 RS. (point 1) Boost is the way of the future.
Image this tunes, headers, akra cats and exhaust, and Ohlins, it would destroy even the point 2 RS.
04-04-2018, 07:12 PM
#30
Instructor
Join Date: Dec 2012
Location: S.E. Wisconsin, U.S.A.
Posts: 234
Likes: 0
Received 5 Likes
on
4 Posts
A 20 hp/tq gain with a simple plenum replacement sounds like "low-hanging fruit". You'd think Porsche would have thought of this "laminar flow trick" all on their own, or at least checked it out. Maybe they did, and found no benefit. Are we really supposed to believe that Porsche designs these beautiful engines, but has absolutely no clue when it comes to designing a plenum? Sorry, just a bit skeptical...