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04-29-2021, 02:58 PM | #1 |
Scooby Newbie
Member#: 221053
Join Date: Aug 2009
Location: Lancaster CA
Vehicle:2015 WRX Blue |
need an engine
Im considering buying a 2016 STI rolling chassis. has everything but an engine. Im fairly new to the EJ257, everything I been reading is weak pistons.
My questions are: what years can I source an engine from (assuming 2015+) should I install better pistons (reliability and demand for about 400HP) get a junkyard (unknown condition) or have one built for me ($$$) thanks
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04-29-2021, 03:45 PM | #2 |
Scooby Specialist
Member#: 193940
Join Date: Nov 2008
Location: Philly
Vehicle:2004 WRX STI Black RalliSpec Shortblock |
If you are sticking with 400whp and not going to go crazy down the road then just get the RA block and call it a day. The problem is not that the pistons are weak, but its the ringland that cracks. And it cracks from poor maintenance, poor modding, poor tuning, or no proper tuning. The cast stock pistons will last you longer but forged pistons can handle a more abuse and power. It all depends what your plans are for the car. Do not get a junkyard block unless it is very cheap and you have lots of down time. A junkyard block is like a box of chocolate, you never know what you going to get.
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04-29-2021, 03:57 PM | #3 | |
Scooby Newbie
Member#: 221053
Join Date: Aug 2009
Location: Lancaster CA
Vehicle:2015 WRX Blue |
Quote:
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04-29-2021, 04:52 PM | #4 |
Scooby Specialist
Member#: 193940
Join Date: Nov 2008
Location: Philly
Vehicle:2004 WRX STI Black RalliSpec Shortblock |
You have three options
1) You can get a RA shortblock and heads from subaru 2) Buy a cheap used longblock and have it rebuilt (If the longblock not completely tossed) 3) Not a fan but you can buy a built new longblock from IAG of the shelf https://www.iagperformance.com/iag-5...fxt-05-09-lgt/ Again, it all depends what are you plans for the car. You can see what years you can use. |
04-29-2021, 05:30 PM | #5 |
Scooby Newbie
Member#: 221053
Join Date: Aug 2009
Location: Lancaster CA
Vehicle:2015 WRX Blue |
ok a little Google research gave me the info I needed about RA blocks, But I need a complete engine. a search on car-part.com gave me a few options but the prices seem really high, 8000+ is that right?
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04-29-2021, 05:34 PM | #6 |
Scooby Specialist
Member#: 247823
Join Date: May 2010
Chapter/Region:
BAIC
Location: Denver/ Eglin AFB
Vehicle:2007 STi limited SWP |
Rebuilding these engines is so much cheaper than having to buy everything new. If your engine bay is quite literally bare and you need to start from ground zero, I pity your wallet.
I'm thinking you'll drop 10k on the conservative side after you factor in intake, fuel, accessories. Everything. |
04-30-2021, 05:02 PM | #7 |
Scooby Specialist
Member#: 149347
Join Date: May 2007
Chapter/Region:
NESIC
Location: Tolland, CT
Vehicle:05 LGT ,09 SpecB Black/silver |
I see your in CA...make sure what you do will pass emissions testing...
Oh, Just re-read this, "Im considering buying a 2016 STI rolling chassis" IMO, forget about it. Move on to something else. Unless your getting it for very little money and know what your doing...? |
04-30-2021, 05:32 PM | #8 |
Scooby Newbie
Member#: 518830
Join Date: Sep 2020
Chapter/Region:
RMIC
Location: Colorado
Vehicle:2009 WRX dark grey metallic |
I spent almost 12K with a shell after buying a transmission and building a forged motor myself with used parts where I could. I originally planned to find a junkyard motor and couldn’t find one anywhere. I think spent $800 on bolts alone. And I had to source Every Single Part. Took me five months.
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04-30-2021, 06:03 PM | #9 |
Scooby Specialist
Member#: 30804
Join Date: Dec 2002
Chapter/Region:
SWIC
Vehicle:87 Yugo Red |
Is the engine entirely gone or do you have some of it? The reason I ask is putting everything together from scratch is going to cost a fortune just due to all the small nickle and dime stuff.
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04-30-2021, 06:37 PM | #10 |
Scooby Specialist
Member#: 29292
Join Date: Nov 2002
Chapter/Region:
SCIC
Location: Orange County CA
Vehicle:2004 WRX wagon silver |
I believe the RA block is the same as the 2018 and up block persinally what I would do is get either a RA if youre going ot keep it around the 400 level, or get a IAG block and put that together yourself. just FYI keep it stock as the Smog program here is going to get even crazier in a few months. BTW they are searching out tuned cars on thee smog program
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04-30-2021, 07:21 PM | #11 |
Scooby Specialist
Member#: 508105
Join Date: Nov 2019
Chapter/Region:
NWIC
Location: Greater Seattle Area
Vehicle:Link G4X flex tuned 02' EJ205 20G 6MT wagon |
+1 for RA shortblock if you are not going over 400WHP.
OEM reliability |
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