4b11t going into new RWD Hyundai coupe

[scheides]

Good god look at how foking lean it gets at 3500!

Insane that AMS got theirs before Buschur did.....this will be interesting.

[Shane@DBPerformance]

Nice WOT A/F there Hyundia. :) Pulling the air intake off and not getting any gain doesn't absolutely mean that a good aftermarket one won't perform better overall though. Every turbo and all-motor car that I have pulled the intake off has done better with an aftermarket intake on it than none at all. Since it's a MAP based car though, you aren't going to see "gains" like you do with an Evo X with an intake, due to the intake changing the air meter instead of actually being a restriction.

[Halon]

Interesting info. It's too bad it doesn't have more in common (engine/internals wise) with the Evo. But still, the fact that it doesn't have the piston/rods of the evo, I don't take that as it all sucking.

DSM's didn't come from the factory with forged pistons, and 2g's didn't come with the best rods, but look how far people push the stock bottom ends on them. Can't wait to see how far some of these shops are able to push the stock bottom end!!

[Speedfreak]

Interesting info. It's too bad it doesn't have more in common (engine/internals wise) with the Evo. But still, the fact that it doesn't have the piston/rods of the evo, I don't take that as it all sucking.

DSM's didn't come from the factory with forged pistons, and 2g's didn't come with the best rods, but look how far people push the stock bottom ends on them. Can't wait to see how far some of these shops are able to push the stock bottom end!!

With Shane's tuning help, I'm sure we'll be pushing the stock block a good ways.

[Halon]

Don't you guys have the V6 though?

[Speedfreak]

Don't you guys have the V6 though?

Nope, that one wasn't ours, the 2.0t hasn't shown up yet.

[Kevin 1G Drummer]

Beyond Redline just broke 300whp on their Mustang dyno. They took the stock turbo off to inspect it, and destroyed all the hardware in the process (one time use stuff maybe?). So instead of waiting around to get new hardware, they bolted up a GT3076, and a Tial 38mm wastegate with a 16psi spring.

They used their prototype FMIC kit, prototype downpipe and cat elimination pipes, and an AEM FIC with 600cc injectors. Their prototype catback was off being made into a production model so they had to use the stock catback. Anyways, here's some pics and a dyno video.

http://i275.photobucket.com/albums/jj294/beyond-redline/Gencoupe%20Turbo%20Kit/Gencooler.png
http://i275.photobucket.com/albums/jj294/beyond-redline/Gencoupe%20Turbo%20Kit/GenDyno.png
http://i275.photobucket.com/albums/jj294/beyond-redline/Gencoupe%20Turbo%20Kit/GENENGINEBAY.png
http://i275.photobucket.com/albums/jj294/beyond-redline/Genesis%20Coupe%20Dyno%20Charts/306scalecorrect.png

http://videos.streetfire.net/video/306-WHP-Genesis-Coupe-Run_644732.htm

More info on it can be found here: http://www.gencoupe.com/general-discussion/12277-beyond-redline-makes-306-whp.html

On a later tune he cleaned up the AFR a little and hit 314hp. They tried turning the boost up to 17psi, and hit 331whp and 270lbft, but the AFR went all crazy, so he stopped. That torque curve is awesome! I can't wait till they can get into the ECU and can find a way to get around the boost cut.

[Kevin 1G Drummer]

AMS is also making decent gains from just boltons. They're up 44whp from their baseline 87 octane run. Nobody has cracked the ecu yet, so these are all on the factory tune. It seems like as soon as boost gets over 18psi it get boost cut and it goes into limp mode.

Today we tested:

AMS prototype down pipe / mid pipe
AMS prototype secondary cat delete
AMS prototype cat back exhaust
AMS prototype intake silencer delete
AMS prototype front mount intercooler
AMS prototype intercooler piping kit
AMS manual boost controller

Alright, I am going to spill the beans on today's dyno pulls, but you will have to wait till Monday for actual dyno charts. Chris will be posting them up as soon as he has time to go through them.

Our baseline dyno numbers on 93 octane fuel are 192 WHP and 219 lbs Tq (SAE corrected) with the 100% bone stock car, stock boost control and no tuning at all.

Today with JUST BOLT ON AMS prototype parts, we put down 212 WHP and 220 lbs Tq (SAE corrected) still on stock boost control and no tuning at all.

Well, the 20 WHP gain is quite nice but only 1 more lb of TQ??? What the hell am I so excited about (you might be asking)??? Well let me tell you. These are just PEAK numbers. To fully appreciate the gains you must see the dyno charts. With the stock turbo, you make peak Tq very low in the RPM range due to the boost rapidly falling off after hitting its peak. The gains we were seeing with the bolt on parts are at a higher RPM range. The gains in HP and Tq start at 3500 rpms and HP gains are consistently 20 WHP from 4000 rpms to red line. The Tq curve has flattened out quite a bit. If boost did not drop so drastically, I am sure we would see a VE similar to the Evo X motor where the TQ just stays flat and HP keeps climbing.

After the disappointment in the cat back and secondary cat delete dyno testing, I was confident that there was still a cork (or three) in the system and obviously I addressed those today. The difference in today's dyno testing was the prototype AMS down pipe, prototype AMS intercooler and prototype AMS intercooler piping. One (or all three) of these items freed up the HP I just knew was there.

Now before you say "well, that was ONLY 20 WHP", let me explain something else. As I have mentioned before, I believe that the Gen Coupe was not showing gains because we are not leaning on the car that hard. In stock form, this car is only rated at 210 crank HP. This is only 2/3ds of the Evo X rated crank HP. I have always had the opinion that if we were starting with 300 HP, the gains from bolt on parts would be more. Well........... just to prove this, I TURNED THE BOOST UP with the AMS bolt on parts!!! Here is the proof.


With the 100% bone stock car and no tuning at all, we were able to run a peak of 18 psi dropping to 12 psi at red line (before hitting boost cut). We made 204 WHP and 249 Lbs Tq. (SAE Corrected)

With the AMS prototype bolt on parts and no tuning at all, we also were able to run the exact same peak of 18 psi dropping to 12 psi by red line. We made an incredible 236 WHP and 237 Lbs Tq. Again, peak Tq does not show the full picture as it happens well before the gains from the AMS bolt on parts.

That is 32 WHP gains from just the AMS bolt on parts at this boost level!!!! This proves that the stock components are choking the motor and the more you turn the boost up, the more the stock components are going to rob power. Now imagine the gains you would get from the bolt on parts at 300 WHP!!!

I hope you can all see why I am excited now. If not, the dyno charts Chris will post should explain everything.

P.S. Uncorrected (ACTUAL) numbers today were 241 WHP and 243 Lbs Tq!!!

[Kevin 1G Drummer]

New dyno sheet from Beyond Redline. Also, the turbo they're using has a .82ar exhaust housing on it, so I don't think the power potential would be hindered by using a smaller housing for quite a while judging by how well it holds torque.

http://i275.photobucket.com/albums/jj294/beyond-redline/Genesis%20Coupe%20Dyno%20Charts/327hpand344hpgenesis.png