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Old 05-04-2018, 06:10 PM   #1
Neilio86
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Join Date: May 2018
Location: Toronto, Canada
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2016 STi

OMGHi2U Just purchased - should I buy a built block from the get go?

I just purchased a 2016 STi and would like to modify the car, nothing crazy but enough to have me worried!
After reading in-depth about everything WRX over the past month I am nervous to do any modifications with all the horror stories I've read. I realize it's not a given and alot of variables come into play but I dont want to be stuck with a blown engine on the side of the highway with my kids in the car lol.

Would it be a good idea to just get an IAG built block installed before I get anything installed at all? It would be headers,exhaust,CAI,fuel system,FMIC and possibly an upgrade on the stock turbo (just a bolt on). Or just upgrade engine components instead?

Thank you for any insight!
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Old 05-04-2018, 09:48 PM   #2
Unabomber
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Here's what happens on the internet:

2 owners post their happy results.
1,000 owners post their horror stories.
54,890 owners don't say a word.

Now do the math on that. .0000000289% of owners have an issue, but they represent 98% of the people on NASIOC. While I'm not sure if you've had Statistics or not, but in case you haven't this means that you are fine and you need to stop following the sheep.

Even if you get the most built motor ever, nothing will prevent your right foot and/or bad luck from screwing you, but most of it falls on your right foot. If you drive like an assbag, no motor will prevent it from blowing. If you drive like a normal person, your stock motor is fine for 100k+. Relax.

From a 270,000 mile owner and never blown a trans, turbo, or engine....have upgraded but because racecar, not fear.
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Old 05-04-2018, 10:28 PM   #3
SoapBox
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My wife said she'd
buy me a Lotus, AKA REX8

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Quote:
Originally Posted by Neilio86 View Post
I just purchased a 2016 STi and would like to modify the car, nothing crazy but enough to have me worried!
After reading in-depth about everything WRX over the past month I am nervous to do any modifications with all the horror stories I've read. I realize it's not a given and alot of variables come into play but I dont want to be stuck with a blown engine on the side of the highway with my kids in the car lol.

Would it be a good idea to just get an IAG built block installed before I get anything installed at all? It would be headers,exhaust,CAI,fuel system,FMIC and possibly an upgrade on the stock turbo (just a bolt on). Or just upgrade engine components instead?

Thank you for any insight!
First answer: No. But don't add on any of those parts either. Enjoy the car as-is.If you wanted big power, you should have started with a better platform.

Second answer: If you're dead-set on significantly more BHP, starting with a built shortblock now can save you a lot in the long run, specifically, as you can sell your good condition stock block to one of the many guys looking to fix their motors.

P.S. Yeah Ron, companies like IAG et al. exist because these motors don't blow up. An entire industry has been built up (punny!!!!) around bottom end EJ25 failures.
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Old 05-04-2018, 10:50 PM   #4
PDXREALTOR
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Quote:
Originally Posted by Neilio86 View Post
I just purchased a 2016 STi and would like to modify the car, nothing crazy but enough to have me worried!
After reading in-depth about everything WRX over the past month I am nervous to do any modifications with all the horror stories I've read. I realize it's not a given and alot of variables come into play but I dont want to be stuck with a blown engine on the side of the highway with my kids in the car lol.

Would it be a good idea to just get an IAG built block installed before I get anything installed at all? It would be headers,exhaust,CAI,fuel system,FMIC and possibly an upgrade on the stock turbo (just a bolt on). Or just upgrade engine components instead?

Thank you for any insight!
If you are anything like most car enthusiasts you'll end up with much more than you listed.

At the least drop in some forged pistons, and while you're at it upgrade the clutch, oil pick up/baffle, head studs, etc. If you think you won't stop at 26- 28 psi / ~ 500 whp then get an iag stage 2 closed deck.

Quality tune is where it's at to finish it off.
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Old 05-05-2018, 06:52 AM   #5
Neilio86
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Location: Toronto, Canada
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Awesome thanks for the feedback guys. I get sucked into reading so many threads and articles it's just hard to know where to start. I'll definitley modify the car, I own an M5 aswell so I like having the power there. I live in Ontario so my excuse to buy the subie to my wife is that its AWD and a 4 door so it's a safe family car I can also drive in the winter
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Old 05-07-2018, 12:32 PM   #6
Zcypot
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Location: Compton, CA
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2014 WRX Sedan Lmtd
WRB

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Quote:
Originally Posted by Neilio86 View Post
I just purchased a 2016 STi and would like to modify the car, nothing crazy but enough to have me worried!
After reading in-depth about everything WRX over the past month I am nervous to do any modifications with all the horror stories I've read. I realize it's not a given and alot of variables come into play but I dont want to be stuck with a blown engine on the side of the highway with my kids in the car lol.

Would it be a good idea to just get an IAG built block installed before I get anything installed at all? It would be headers,exhaust,CAI,fuel system,FMIC and possibly an upgrade on the stock turbo (just a bolt on). Or just upgrade engine components instead?

Thank you for any insight!
just because its IAG doesnt mean it will last. read up, get used to checking oil levels, read the dos and donts, and keep checking oil levels. A lot of failures are from bad mod paths and lack of maintenance. What are you power levels? Choosing the correct turbo will make your power goals much easier. Dont cheap out on support mods.
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Old 05-07-2018, 02:19 PM   #7
PDXREALTOR
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What's up with this place?

OP - Please make sure you practice putting your seat belt too. Learn how to fill your tank with premium every time, I'd say at least a hundred fill ups without accidentally adding regular, learn the driver mod before you do anything at all!

Practice airing up your tires, washing your windows so you can see (that's important before you mod your car and drive too fast!), and most importantly know your all wheel drive system - it can be tricky.
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Old 05-07-2018, 03:45 PM   #8
Zcypot
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Join Date: Nov 2013
Chapter/Region: SCIC
Location: Compton, CA
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2014 WRX Sedan Lmtd
WRB

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Quote:
Originally Posted by PDXREALTOR View Post
What's up with this place?

OP - Please make sure you practice putting your seat belt too. Learn how to fill your tank with premium every time, I'd say at least a hundred fill ups without accidentally adding regular, learn the driver mod before you do anything at all!

Practice airing up your tires, washing your windows so you can see (that's important before you mod your car and drive too fast!), and most importantly know your all wheel drive system - it can be tricky.
I think if it was as straight forward as you think it is, people wouldnt be nervous about jumping in. Its always best to tell them up front and not give them a wonder land of no issues. learning how your car operates is a great way to know what needs work. I think its great he is asking the questions now rather than later. His driving experience would be much more pleasant.
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Old 05-08-2018, 08:44 AM   #9
HinshawWRX
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Clearly you should have financed a new motor into the car purchase price and not taken delivery until it's been 100000% built.

Take the car back and turn it in until they agree to these terms.
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Old 05-08-2018, 09:12 AM   #10
bennb
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2008 WRX Rally Blue
2009 Forester Black

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Quote:
Originally Posted by PDXREALTOR View Post
What's up with this place?

OP - Please make sure you practice putting your seat belt too. Learn how to fill your tank with premium every time, I'd say at least a hundred fill ups without accidentally adding regular, learn the driver mod before you do anything at all!

Practice airing up your tires, washing your windows so you can see (that's important before you mod your car and drive too fast!), and most importantly know your all wheel drive system - it can be tricky.
Maybe you forgot this is the NEWBIE section. Don't know what you expected coming here. Don't bash the guy who's excited about his car but doesn't know where to begin. Everyone has to learn somewhere (like here https://forums.nasioc.com/forums/sho....php?t=1279903 ), you should start at the title of the forum and its purpose.

Last edited by bennb; 05-08-2018 at 09:17 AM. Reason: Adding a reference
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Old 05-08-2018, 09:19 AM   #11
Jersey Man10
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Stay stock till you get adjusted to the car.
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Old 05-08-2018, 10:16 AM   #12
Abismo
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Quote:
Originally Posted by Neilio86 View Post
Would it be a good idea to just get an IAG built block installed before I get anything installed at all?


Just leave it stock for a bit. Itll be fine. Dont slack on oil changes or quality. Get an oem filter. Change when it says to and not later. STI stock is a hell of a car. Also check your oil levels. These engines can burn some which is normal to a point.
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Old 05-08-2018, 10:37 AM   #13
JoshMadden
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Seriously
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Old 05-08-2018, 11:24 AM   #14
D-rock240
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Quote:
Originally Posted by JoshMadden View Post


Seriously
This, having a car where everything works is a nice feeling (especially if it's your only car).
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Old 05-08-2018, 02:00 PM   #15
doctorbee
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OP, it just depends what you want to do with it.
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Old 05-08-2018, 04:48 PM   #16
PDXREALTOR
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Quote:
Originally Posted by bennb View Post
Maybe you forgot this is the NEWBIE section. Don't know what you expected coming here. Don't bash the guy who's excited about his car but doesn't know where to begin. Everyone has to learn somewhere (like here https://forums.nasioc.com/forums/sho....php?t=1279903 ), you should start at the title of the forum and its purpose.
Perhaps you should read the entire thread before bashing me. My post that you refer to was in no way directed at the OP.......
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Old 05-12-2018, 10:09 PM   #17
desmojames
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Location: Squamish, BC, Canada
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2008 Impreza STi
Vinyl Wrap

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My experience with a built motor came out as a result of a failed rod bearing (cyl #4) and it was a very eye (and wallet) opening experience. I opted to salvage my block as the damage was not too bad and worked with a reputable shop who had built many ej257 motors (mine was a 2008.) The motor work took about three weeks, and because we built an existing block, I was able to tune it for exactly what I wanted. Crank, bearings and pistons designed for Canadian winters, parts to make the motor reliable for my target wheel horsepower, etc. this was a big one. I know those IAG blocks are excellent and the option of a closed deck is intriguing depending on your horsepower goals. I was very happy with the end result. Good luck with your car. Be warned, that a modified block will motivate you to modify everything else (suspension, wheels, driveline, etc
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Old 05-15-2018, 12:16 PM   #18
Neilio86
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Location: Toronto, Canada
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2016 STi

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Thanks for the insight guys !
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