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Post by namelessfoe on May 22, 2019 20:03:15 GMT -5
My brain is cooked, mainly from working outside in the sun all day. But I'm struggling with finding if I am going to run into any issues by switching to a fuel cell with an inline fuel pump and a evo 8 fuel rail with rail regulator and return line. I know the current returnless system is run via the ECU. I'm thinking the car will not run correctly if the ecu can't control the fuel delivery. If so can a tune fix this?
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Post by Sabertooth on May 22, 2019 21:36:58 GMT -5
Not the most useful reply, but I'll be testing that myself. I've got an evo fuel rail, manifold, and pump setup I'll be trying to make work.
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Post by namelessfoe on May 22, 2019 21:41:26 GMT -5
Was debating on going with a evo 8 manifold but the forums said it's not street friendly for a n/a.
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Post by Sabertooth on May 22, 2019 22:16:21 GMT -5
No, it likely wouldn't be. It would shift your powerband upwards, and hurt power down low.
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Post by namelessfoe on May 23, 2019 19:22:36 GMT -5
Hit up the facebook last night, got a response that if you change the fuel pressure or go off manifold pressure it would require the ecu to be tuned for it. In my head that makes this a dead end project unless I figure out how to wire up the new pump at home and get online and find either Stayer or Michael to OTA tune it.
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Post by Sabertooth on May 23, 2019 21:06:42 GMT -5
Fastworks supports it on forced induction tunes. You set the boost injector compensation table to 100% at all times when using a vacuum fuel pressure regulator
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Post by namelessfoe on May 25, 2019 20:30:23 GMT -5
So you're saying it can be done?
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Post by Sabertooth on May 25, 2019 20:47:09 GMT -5
Yep. Fastworks supports it.
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Post by namelessfoe on May 26, 2019 0:03:01 GMT -5
Michael is the one that uses Fastworks right? Stayer uses ECMFlash?
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Post by Sabertooth on May 26, 2019 8:24:14 GMT -5
Strayer uses ECUflash which can edit stock maps and ratios.
Michael uses Fastworks (which he made) which gives the ECU totally custom software, which gives way more control.
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Post by namelessfoe on May 26, 2019 12:07:00 GMT -5
What do I need to get a tune from Michael? I read somewhere I have to download his program and record driving than send him the file?
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Post by Sabertooth on May 27, 2019 4:59:27 GMT -5
1: buy Openport 2.0 cable (both tuners need it)
2: email and pay Michael. Details on the Fastworks website. Tell him all your mods
3: download Fastworks
4: read your ROM file with Fastworks
5: send that to Michael
6: download and write a reflash file Michael sends you
7: data log and send to Michael
8: download and write the tune file Michael sends you
9: repeat 6-7-8 as required until he's satisfied. It's a tune, not a reflash. There is no one file and done, unlike what Stas does.
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Post by namelessfoe on May 27, 2019 8:31:21 GMT -5
stupid question, do I need to drive around and log or just idle in the driveway? Might have to invest in a newer laptop if I have to drive.
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Post by Sabertooth on May 27, 2019 10:59:59 GMT -5
It has to be driving. You do a 3rd gear pull, 3000-redline or so.
Multiple pulls adds more data. Then you also do some normal driving in the log too. That way he can get the power and fuel economy in check.
It takes so many steps because he makes such small changes to fine tune it to your car. 5 rounds of tune files isn't uncommon
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Post by namelessfoe on May 27, 2019 13:48:56 GMT -5
nice, new laptop it is. I have an antique that won't last an hour on the road.
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