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03-02-2019, 12:07 AM | #26 | |
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03-02-2019, 12:09 AM | #27 | |
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I understand, what you are talking about now. I've seen it done, but honestly, I feel its best to stick with a dual ewg for ts. |
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03-02-2019, 12:12 AM | #28 |
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Lot of the local shops in Va are months backed up, that and I just am not a fan of the shops in general. I heard phenomenal things about the shop in Pa, so I wanted to give them a try.
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03-02-2019, 12:15 AM | #29 |
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I only put 390 to the wheels down. I'm not going for crazy hp, just wanted like 420-450hp. I thought the 1.5 would have been sufficient.
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03-02-2019, 12:19 AM | #30 | |
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It's a Subaru, do we ever quit? lol |
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03-02-2019, 12:22 AM | #31 | |
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I was expecting to push 23 psi+ but once the clutch started to slip that's where we stopped. I'm thinking of just throwing a twin-disc in there. |
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03-02-2019, 02:46 PM | #32 | |
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The Moore piece completely separates the turbine and WG flow like an external WG and screamer pipe. |
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03-02-2019, 03:25 PM | #33 | |
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03-02-2019, 03:54 PM | #34 | |
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Or you could just try a non master technician that knows how to do a clutch job properly and only once. |
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03-03-2019, 12:34 AM | #35 |
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I understand the reason the pedal is stiff, and it's because that's the softest ACT can do and still maintain enough pressure on the disc type to hold the rated torque. They have to consider travel of the oem clutch fork and the disc material into the equation. It's easier to get a higher clamp force with a cerametallic puck type disc than an organic, which can translate into a softer pedal per ft/lb of capability, but I prefer a smoother and quieter engagement for street and daily driving. Only sucks my left leg gets that extreme workout every drive.
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03-03-2019, 08:31 AM | #36 |
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OP- I feel your pain.
I have the IAG stage 2.5 block, ported heads, valves, springs, retainers on a hybrid setup. Dom 3 with 1050cc IDs. On 22psi I made 400whp and 380wtq I was expecting more as well. But on 93 these motors only go so far. You making what you did on the dom 1.5 is pretty damn good. |
03-03-2019, 12:01 PM | #37 | |
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It's still maddening! For what I wanted goal wise, I was sure it was possible on 93. |
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03-03-2019, 12:06 PM | #38 | |
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I most likely will, this specific mechanic actually did all of my transmission work, etc. He's no 2 bit mechanic. Like the non master tech who actually ****ed my transmission on the first clutch job. They ruined my transfer case and denied it, and ended up installing it incorrectly, so the catch point was too low. Therefore my 1st & 2nd gears and sync rows were gone. I will never trust another non-master technician. |
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03-03-2019, 08:12 PM | #39 |
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03-03-2019, 08:31 PM | #40 |
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You're a single scroll turbo right? I have the same ebcs.
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03-03-2019, 11:21 PM | #41 |
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03-06-2019, 10:35 PM | #42 |
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Another vote for too small of a turbo, if you plot it on a compressor map it will be out of efficiency. A standard ej25 is really the flow limit for an 1.5XTR, anything that flows better than that (ie yours) it is too small.
EWG will help as said previously and a few more hp. A friend of mine did something very similar in V6 engines, had a great setup on oem engine, blew the engine, built the engine to flow a lot more, put the same turbo on and it made less power. Put on the next size up turbo and made heaps of power. The built V6 engine was effectively flowing close to the same amount of air as some V8s so a larger turbo was needed. Your built 2.7L would flow close to the air of some oem 3L engines. Noone in their right mind would use a 1.5XTR on a 3L engine. Last edited by Harey; 03-06-2019 at 10:42 PM. |
06-03-2020, 11:29 PM | #43 |
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UPDATE: 451whp/409tq on 93 @ 22psi
For anyone who cares and or wants to see more results, with twin-scroll builds out there.
I finally reached my goal. Only a few thousand dollars later.... 451whp & 409tq on 93 @22psi What I changed: I took many people's advice and had a custom fabbed up-pipe to house dual Tial 38mm MVS EWG's for a stock location Blouch1.5 XT-R. Upgraded Injectors from the ID1050X to the ID1300's I also pulled the trigger on an Exedy Ceramatellic Twindisc stage 4/5 Also, I had to reroute my power steering lines and went with Chase bay's reroute/relocate kit. (Quality ***** I might add) This time around, I was MUCH happier with the results. I truly felt the car put down what it should have from the beginning. Not only that, but I also believe I am now benefiting from the twin-scroll on the low end, and these GS2's are benefiting on the top end. Feel free to follow my IG to see all the goodies! @dud3tt3 |
06-04-2020, 08:58 PM | #44 |
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lol lol
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06-04-2020, 10:04 PM | #45 |
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Good to hear and thanks for following up. A lot of threads never get completed.
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06-04-2020, 10:16 PM | #46 | |
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06-05-2020, 11:51 AM | #47 |
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My pleasure, honestly, there needs to be more info out there with twin-scroll setups. I've tried to find more relevant info and there's not much. I know a lot of people who just go for that rotated straight-line power. (once built)
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06-05-2020, 11:57 AM | #48 | |
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That's another thing when it comes to understanding turbo sizes. I understand was a 6266 is in size but not some of these other manufactures names FP Green and Blouch Dom 1.5, 2.0, 3.0. It doesn't give you a good reference in size. |
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06-06-2020, 02:00 AM | #49 | |
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I made 390whp/360wtq with my set up. I expected more?
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Congratulations! You have an awesome setup and if you could share some info about your upipe I’d be interested in it. I did some research on this one a while back and wanted to share what I found. Gt28=28*2=56mm turbine Gt30=30*2= 60mm turbine Gtx has 1mm larger compressor than the Gt variant. Different blade count etc. the Dom units seem to share similar Garrett components less the compressor wheel but strangely enough striking similar to the gtx variants. I ended up buying a twin scroll dom3, removing the turbine housing and using it on a gen2 gtx3071. With a t04b compressor housing in stock location on my 5eat Outback which started on ACN 91 and is now flex fuel. Very happy with both. The Dom 1.5 xtr is similar in size to a gtx2871 Dom 2.5 similar to gt3071 Dom 3.0 similar to gtx3076 I’ve taken some measurements and compared the compressor charts. Not stating as fact just my conclusion based on info that I’ve found. Not sure why companies like Blouch and precision refuse to share the compressor maps, I can tell you that is exactly how I choose a turbo, hence my selection. As was stated earlier-it’s just a pump and the landing points can be calculated. |
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06-06-2020, 02:10 AM | #50 |
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I made 390whp/360wtq with my set up. I expected more?
Not sure if it needs to be stated but the last 2 numbers reference the compressor wheel exducer
Gt3076 Gt-ball bearing 30*2= 60mm turbine 76mm compressor Inducer size will vary if Gt I believe 56mm and gtx would be 57. -sure this will get fact checked. Dom3 60mm turbine 76mm compressor 57mm compressor inducer Garrett CHRA. |
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