DaveT Posted August 24, 2021 Share Posted August 24, 2021 (edited) Back when EA82Ts were fairly common, I read lots of threads where people were trying to tweak them. They would spend lots of time and or $ to get maybe small gains while trading off reliability, which there wasn't a lot of to spare. Long ago, I decided reliability is more important. And if I ever were to spend the time to try to get more power, it would be through an EJ22 swap, because for the amount of time and $, you get far more HP gain AND reliability than any of the other tried and failed to varying degrees other options. Edited August 24, 2021 by DaveT 3 Link to comment Share on other sites More sharing options...
GeneralDisorder Posted August 24, 2021 Share Posted August 24, 2021 Perhaps you haven't noticed the post count and join date of the various respondents to your thread? You might want to take inventory of the nay's, their post count, join date, etc and compare to your own. Do this. Promise you will be enlightened. GD Link to comment Share on other sites More sharing options...
el_freddo Posted August 24, 2021 Share Posted August 24, 2021 (edited) Here’s a few threads for you to read @SiriusBlack. I haven’t read all of them as I posted as many are a decade or more in age! You’ll see the efforts ppl put into the EA82t and the frustrations at the end of it all. Here’s Discopotato who put in LOADS of time and effort into his build: ECU talk: https://ausubaru.com.au/viewtopic.php?f=22&t=15414 Header discussion/mods: https://ausubaru.com.au/viewtopic.php?f=22&t=15213 Tech edge wideband: https://ausubaru.com.au/viewtopic.php?f=22&t=15122 Larger high impedance injectors: https://ausubaru.com.au/viewtopic.php?f=22&t=14732 Newly built EA82t with general list of mods in beginning of thread: https://ausubaru.com.au/viewtopic.php?f=22&t=14544 WRX exhaust modified to RX L series: https://ausubaru.com.au/viewtopic.php?f=23&t=12590 Retro fitting TD04 or TF035 to EA82t: https://ausubaru.com.au/viewtopic.php?f=22&t=9891 Spider manifold stuff: https://ausubaru.com.au/viewtopic.php?f=20&t=9257 https://ausubaru.com.au/viewtopic.php?f=22&t=6273 That should just about do it. There’s more from Discopotato and you might even find stuff of his on here too. He went right into full suspension mods to have the best handling RX possible. Of course by today’s standard it would’ve still been woeful at best. What was the demise of his build? A can of UEC was used and it seemed to have a gummy valve after that and never ran the same. He parted it out. I’m not dissing Discopotato, what he did was to stick within our vehicle modification rules to avoid the need for an engineer, he definitely pushed the EA82t to the limits of a build but he also spent loads of time and money in the process. Here’s some other reading from other forum members, Blackmale’s opening to the under bonnet temps thread says it all: Manifold stuff: https://ausubaru.com.au/viewtopic.php?f=22&t=13110 Under bonnet temp reduction trials: https://ausubaru.com.au/viewtopic.php?f=11&t=13017 Intercoolers: https://ausubaru.com.au/viewtopic.php?f=22&t=12980 Custom downpipe: https://ausubaru.com.au/viewtopic.php?f=23&t=12145 EA82t performance questions: https://ausubaru.com.au/viewtopic.php?f=22&t=9385 Cheers Bennie Edited August 24, 2021 by el_freddo Link to comment Share on other sites More sharing options...
SiriusBlack Posted August 24, 2021 Author Share Posted August 24, 2021 10 hours ago, el_freddo said: Here’s a few threads for you to read @SiriusBlack. I haven’t read all of them as I posted as many are a decade or more in age! You’ll see the efforts ppl put into the EA82t and the frustrations at the end of it all. Here’s Discopotato who put in LOADS of time and effort into his build: ECU talk: https://ausubaru.com.au/viewtopic.php?f=22&t=15414 Header discussion/mods: https://ausubaru.com.au/viewtopic.php?f=22&t=15213 Tech edge wideband: https://ausubaru.com.au/viewtopic.php?f=22&t=15122 Larger high impedance injectors: https://ausubaru.com.au/viewtopic.php?f=22&t=14732 Newly built EA82t with general list of mods in beginning of thread: https://ausubaru.com.au/viewtopic.php?f=22&t=14544 WRX exhaust modified to RX L series: https://ausubaru.com.au/viewtopic.php?f=23&t=12590 Retro fitting TD04 or TF035 to EA82t: https://ausubaru.com.au/viewtopic.php?f=22&t=9891 Spider manifold stuff: https://ausubaru.com.au/viewtopic.php?f=20&t=9257 https://ausubaru.com.au/viewtopic.php?f=22&t=6273 That should just about do it. There’s more from Discopotato and you might even find stuff of his on here too. He went right into full suspension mods to have the best handling RX possible. Of course by today’s standard it would’ve still been woeful at best. What was the demise of his build? A can of UEC was used and it seemed to have a gummy valve after that and never ran the same. He parted it out. I’m not dissing Discopotato, what he did was to stick within our vehicle modification rules to avoid the need for an engineer, he definitely pushed the EA82t to the limits of a build but he also spent loads of time and money in the process. Here’s some other reading from other forum members, Blackmale’s opening to the under bonnet temps thread says it all: Manifold stuff: https://ausubaru.com.au/viewtopic.php?f=22&t=13110 Under bonnet temp reduction trials: https://ausubaru.com.au/viewtopic.php?f=11&t=13017 Intercoolers: https://ausubaru.com.au/viewtopic.php?f=22&t=12980 Custom downpipe: https://ausubaru.com.au/viewtopic.php?f=23&t=12145 EA82t performance questions: https://ausubaru.com.au/viewtopic.php?f=22&t=9385 Cheers Bennie @el_freddoThanks for the links, I'll be sure to comb through it all. I most likely won't go the exact same route he did, but the cache of knowledge in those should certainly help. Link to comment Share on other sites More sharing options...
carfreak85 Posted August 24, 2021 Share Posted August 24, 2021 (edited) I'll try to summarize my thoughts to keep this succinct... As mentioned, this has been discussed and attempted for decades. Back in the early 2000s there was a crew of guys on this forum pushing the EA82T. At that time the turbo EJ was still pretty new to the U.S. and the cost of entry was too high for most of us cheapskates. Not many people had the gumption to invest in an unknown, undocumented EJ swap. People kept pouring time, money and ideas into the EA82T and since I was keen to replicate their success on my EA81T, I paid close attention. From memory, not one of those cars has survived today and is still running. Contrast that to the first few EJ-swapped EA82s and they're still out there. Hell, my RX-RA that @suberdave built back in ~2005 is still on the road with the same engine that was originally swapped into it 16 years and three owners ago. Try making 260 chp for 16 years on an EA82T... Hasn't been done yet, probably won't happen until somebody creates new, redesigned head castings. The bottom end should hold up to quite a bit of abuse, but the pistons and heads crack, HGs aren't up to the task and the stock ECU is closer to an Atari than smartphone. To do what you're describing and keep the engine reliable (we're taking cost of acquisition/hard parts/labor/machining/and ECU tuning labor) you're probably looking at a $10,000 investment. The custom parts will be more expensive because they'll all be one-off parts. You'll want to pay someone to tune it, since there are no base maps for this engine. Now, an EJ? If you've got the coin you can bolt in 300 chp, leave it stock and be able to enjoy it for the next 16 years vs. the next 16 days (until the EA82T blows up...). Edited August 26, 2021 by carfreak85 2 Link to comment Share on other sites More sharing options...
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