Questions - Hyundai Genesis Forum
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post #1 of 9 Old 09-19-2016 Thread Starter
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Hey I'm new to the forum and my bad if these questions have been answered a million times. I've read the guide to modding these cars but I have a couple questions.

For the bk2 what is the most/safe whp you can make with stock internals? Also is it correct that the stock whp is around the 230 mark? I'm trying to figure out which route I should go before I start buying more parts. Currently all that I have done is a ln SRI and stage 1 sfr tune. I don't intend on upgrading the turbo at this time because of warranty issues but it is an option done the road. The next thing on my list to buy would be is solo performance TBE. Any thoughts on this exhaust? (Would you recommend hi flow cats or catless.)?

Is it possible to hit the 350 whp range without upgrading turbo? Alot of the information I've read is directed towards bk1.



Thanks in advance for you time.
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post #2 of 9 Old 09-19-2016 Thread Starter
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If I am in the wrong section someone please let me know and I can post in the right one!
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post #3 of 9 Old 09-19-2016
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Quote:
Originally Posted by Usernam3 View Post

Is it possible to hit the 350 whp range without upgrading turbo?
Absolutely not. The standard turbo is under-sized as is, there's very little head-room left in it.

If you are depending on your warranty to save you from engine trouble then high-horsepower tuning is not for you. Stick with basic bolt-ons like intake, exhaust, and a tune. If you want to boost your power level much more than %20 over the OEM numbers then you need to be prepared to destroy your engine and pay to fix it yourself. Big power tuning on the 2.0T is not for the thin of wallet.

There's a very good reason why nobody will give you an answer on what the "safe" max power limit is on the 2.0T. It is because that engine is very inconsistent. Assembly quality on them is pretty hit-and-miss. Some will hold up just fine to big power with an upgraded turbo, and some will blow up from aggressive tuning on just the little, standard turbo.

Frankly, most of the more experienced guys on this forum are sick of hearing this type of question. There just isn't a good, standard answer for it.

The 2.0T is simply not a particularly stable platform for big-power tuning. An open-deck block and so-so quality control make it unsuitable for major boost. Some guy on here even snapped his cam sprocket bolts with the stock turbo, which destroyed his valvetrain. He replaced the bolts, fixed up his cylinder head, upgraded his turbo, and then it happened again.

Like I said, you need to be prepared to destroy your engine if you want to chase big power with the 2.0T. There are plenty of guys who have done it successfully, but there are also plenty who have blown their sh*t up.

Sorry to be blunt, I'm just trying to save you from some major heart-ache. Save up your cash and buy a turbo beater. Look into more suitable platforms with more consistent bottom-end quality. Don't try and chase big power on your daily-driver Genesis Coupe 2.0T unless you have the cash to totally rebuild it at the drop of a hat.
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post #4 of 9 Old 09-20-2016 Thread Starter
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Thanks for the reply.
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post #5 of 9 Old 09-20-2016
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Most guys who blow their cars up blew them up being stupid... Hyundai quality is easy to blame but the fact remains that Hyundai still has the best powertrain warranty in the industry. I'm thinking it doesn't pay for Hyundai to have either a quality or a consistency problem with their engines since they will be the ones at the end of the day who pay for their own quality and consistency issues.

With that said, NO manufacturer builds their car to a spec other than stock power output. Not one. Some companies may over engineer their pieces parts for increased reliability over the long term... but not a single manufacturer purposely designs their cars to handle significant torque loads above what would be expected in an OEM configuration. Thus... it follows that there is no such thing as a "reliable" power level for any manufacturer's car. There is a whole lot more that goes into engineering reliability other than using bigger heavier parts. You could manufacture an engine out of Titanium and some idiot with a wrench will figure out a way to blow it up.

Tiny turbos can be mighty turbos. The stock turbo is a 19T on the BK2... with the addition of a billet CHRA on the turbo, you can reliably hit 350 whp all day everyday without changing out the housing. You can't always judge a book by its cover, and you definitely cannot determine how much power you can make with a small turbo simply by looking at the size of its housing. While a CHRA upgrade might be considered a "turbo" upgrade in the sense that the turbo is no longer all OEM... it is possible to do a relatively inexpensive upgrade to get to 350 whp.

w/r/t the open deck block... that problem is easily resolved with Darton Sleeves. There have been a number of sponsor built and privately owned 2.0s that have easily surpassed the 500 whp mark on a 2.0 with reinforced sleeving (as well as other improvements).

Now... with all that said, I will say that modifying anything from OEM standard equipment is risky business. Not all pieces parts that you can buy in the aftermarket is going to be 100% completely reliable as an OEM piece of equipment. If you can get a warranty on an aftermarket part... it's usually very limited and most times non existent. Modifying your car is risky business because there's a potential that you are going to do something stupid and blow your engine up. When that happens, don't blame Hyundai for your woes saying that the engine blew up because their manufacturing is inconsistent... it blew up because you didn't consider all of the factors that go into increasing your power levels and because of your oversight, you blew it up.

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Last edited by GenCoupeGeek; 09-20-2016 at 01:34 PM.
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post #6 of 9 Old 09-20-2016
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Why do German cars have 50k warranties? Rumor has it they are fantastically engineered and only German engineers are well trained. The other rumor is you can triple the horsepower with "a chip" and run them at 200 mph all day. If any of those rumors were true they would have a better warranty. My car has been doing fine, but it is stock.

2011 Base 2.0T, 5AT
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Warranty: New Tails
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post #7 of 9 Old 09-21-2016
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It definitely sounds like you're new. If we're talking BK2 2.0T don't expect to reach 350whp without an aftermarket turbo. Some people have been able to reach 300-320whp with the stock turbo and maybe 350 with a modified stock turbo (I believe the modify the number of blades present).

I'd personally tell you to stay away from the BK1 2.0T's unless you know what you're doing (in terms of modifications). It's much easier (imo) to get power out of the BK2.

Intake, turbo-back exhaust, BOV, tune and you've covered a majority of what you'll need to make enjoyable power (270-300whp/280-320 wtorque).



'13 Genesis 2.0T Becketts Black Pearl - 8 Speed
ISIS o2 Housing | TurboXS Racepipe | Exceladyne Catback Exhaust | Injen SRI | NGK LFR7AIX Iridium IX | BTR Stage-AT Tune | Saikou Michi Dual Catch Cans | TurboXS SML

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post #8 of 9 Old 09-21-2016
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Been having this debate over on the BMW forum as well, and there are no reliable mods you can do. Anything that is increasing power over the stock levels has the potential to break and will not be covered under warranty. If you are unable to pay to fix a major failure, then modding is not for you. Best reliable mod you can do is a steering wheel cover and seat covers

That being said, usually FBO and tune would be the "Safest" Mods you could do, provided the tuning is solid. Once you go past this point though, you need to not be stupid as mentioned above. Proper maintenance, knowing when to push the limits and when to be conservative, buying quality parts, etc. all play into whether your car will handle 1.5-2x + stock power.

Quote:
Originally Posted by TsukubaRed_PA View Post
Why do German cars have 50k warranties? Rumor has it they are fantastically engineered and only German engineers are well trained. The other rumor is you can triple the horsepower with "a chip" and run them at 200 mph all day. If any of those rumors were true they would have a better warranty. My car has been doing fine, but it is stock.
Its cause they blow up after 50k

They used to be severely overengineered (N54 is now hitting 800+whp on stock block and internals and stock transmissions with upgraded clutch/FW) but the newer engines seem to have gone away from that model.

But for real, its probably because that is the standard for most vehicles. And the majority of these German cars are swapped out often. You'd be amazed how quickly guys go through cars on the BMW forums. And usually, once a part has been identified as an issue, they redesign with one that will last and once replaced you have no issues. the e90 N54 for example has a history of wastegate, HPFP, Injector and waterpump issues. These items are covered under and extended warranty and usually once replaced, you dont have issues with them again.

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post #9 of 9 Old 09-21-2016
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In reality, I think that cars are essentially merging these days in terms of construction and quality. I believe you will have two tiers of automobiles; the luxury brands and the regular brands. The parts for almost any car are now pretty much sourced globally. The only real mistake I see with the coupe at its price point is they should have outsourced the manual transmission. Problem solved. Cars are designed for price targets and to be suitable for purpose and not much beyond that. They want their customers to be happy enough to come back, but come back they must! All of the manufacturers are doing pretty much the same thing. Years ago, a Mercedes was truly bullet proof and could last seemingly forever. Not anymore.

A few parts on our cars. Denso A/C compressor, Mahle intake, Siemens ECU and GEMA licensed engines. Not perfect, but those in my age demographic remember cars that were a lot more trouble and required a lot more servicing of parts. To me this car is cheap, reliable, looks good and is fun to drive when I want to.

2011 Base 2.0T, 5AT
Trunk Lip Spoiler
Fog Lights
Rear Wing Badge / Blackened Front Logo
Garage Line 22mm Rear Sway Bar
Uniq Rigid Collars
Saikou Michi Catch Can - Intake
JEGS Oil Separator - Turbo
Dynamat Hoodliner
Infinity Kappa 62.11 Door and Rear Speakers
Warranty: New Tails
Non-maintenance: 2 idler pullys


2013 Elantra GT, 6AT (hers)

-- previous rides --
Salsa Red 2004 Vibe GT 6MT
Dark Red Pearl 1991 Stealth R/T 5MT
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