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How To: Speed Density on the evo8 using tephra v7/Phenem pre-patched roms

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How To: Speed Density on the evo8 using tephra v7/Phenem pre-patched roms

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Old Dec 17, 2009, 02:57 PM
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This is AWESOME. Thanks a million. I've been putting off the conversion for months due to fear of not completely understanding the initial setup. Every other thread is very technical and the info is all over the place making it difficult to be certain of what to do. I'm going to take the plunge this weekend while I break in my new clutch.
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Old Dec 17, 2009, 03:58 PM
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Originally Posted by scheides View Post
The async vs TPS table I have left untouched.
When I was running SD, I had added 8 to every cell, as John suggested. It helps with the possibility of getting a brief lean spot at throttle tip in when using SD.
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Old Dec 17, 2009, 05:31 PM
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Great work.
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Old Dec 17, 2009, 07:36 PM
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Originally Posted by l2r99gst View Post
When I was running SD, I had added 8 to every cell, as John suggested. It helps with the possibility of getting a brief lean spot at throttle tip in when using SD.
Oh that's right! I'll add a note on that, I need to play with that table on my car as well.
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Old Dec 17, 2009, 07:46 PM
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Nice stuff, to the point and I cant see anything left out. It should be pointed out that as we play with the MAPVE and RPMVE the load will change for a given boost level. This can be used to play with the resolution if not on a V7 map.

i.e.- 29psi can be 300 load (depending on how long you take to play with it) to correlate to Kpa

29psi can also be 235 load and have a somewhat funky looking fuel map
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Old Dec 17, 2009, 09:24 PM
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Great work! It's about time this came about, so far everything looks pretty well in place. I wouldn't bother listing Fix #1 as it just seems to make things rather sluggish and after running it I lost about 4-6mpg during that area of cruising lol. Fix #2 has been working flawlessly so far for me as well (as long as the RPM VE is adjusted to around the area it should be, I've noticed the jitter to be non-existent now).

And for the Asynch TPS Delta, I think it's going to depend on the vehicle and the tune, adding 8 on top seems to be a good starting point but mine only ended up with 5 after weeks of playing with it to get it where I wanted for tip-in. It's really a table that has to be played with and the results seen first hand to get a feel of how it should be adjusted.

Great job to everyone involved in this from the beginning to where it is now...it's come a long way!
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Old Dec 19, 2009, 08:01 AM
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OK I updated the XML in my post2 of the Tephra v7 thread and added the Async stuff and Fix 2 / 3 to the XML.

I fixed some things in the ROM's too! Check out the post for the updates...
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Old Dec 22, 2009, 07:52 AM
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Originally Posted by l2r99gst View Post
When I was running SD, I had added 8 to every cell, as John suggested. It helps with the possibility of getting a brief lean spot at throttle tip in when using SD.
Added.

Originally Posted by phenem View Post
OK I updated the XML in my post2 of the Tephra v7 thread and added the Async stuff and Fix 2 / 3 to the XML.

I fixed some things in the ROM's too! Check out the post for the updates...
You rock!


Edited, added sections 3b and 6a, updated section 2a, XML is now included in base rom!

I'm going to add JohnBradley's notes as well, did I miss anything else?
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Old Jan 5, 2010, 06:38 PM
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Old Jan 7, 2010, 01:00 AM
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nice write up. ill be going this route as well soon.
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Old Jan 7, 2010, 06:22 PM
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good stuff...i am gonna try this next weekend. i am already on SD but i am bored so i am gonna start over lol..
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Old Jan 7, 2010, 07:04 PM
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Wow! Impressive work gentlemen! Thanks a bunch for your hard work and dedication!

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Old Jan 7, 2010, 07:07 PM
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Great write-up, how different is this in the Evo 9? thanks
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Old Jan 8, 2010, 07:02 AM
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Great to know indeed.
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Old Jan 8, 2010, 07:24 AM
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The SD option are grayed out, does it need to be activated? How?
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