06-10-2015, 05:25 PM
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#241 (permalink)
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Master EcoModder
Join Date: Jun 2009
Location: SC Lowcountry
Posts: 1,796
Thanks: 226
Thanked 1,353 Times in 711 Posts
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The meticulousness of your build - appearance, mechanical and performance
is not only outstanding, but praiseworthy.
Quote:
Originally Posted by ME_Andy View Post
^ (Bump him to the front page already)
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+1 
>
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 Today
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Other popular topics in this forum...
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06-11-2015, 12:17 AM
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#242 (permalink)
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In Lean Burn Mode
Join Date: Apr 2009
Location: Pacific NW
Posts: 1,553
Thanks: 1,315
Thanked 602 Times in 391 Posts
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Quote:
Originally Posted by redneck
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The meticulousness of your build - appearance, mechanical and performance
is not only outstanding, but praiseworthy.
+1
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Thank you so much!!! I just want to let people know this hasn't been very easy. I have broke a lot of parts and had a ton of ideas that have been major failures. I have to say that its been a great adventure and a major learning experience.
If any of you live near me please feel free to contact me for a ride and I would love to share what I have learned.
regards,
Russell
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Pressure Gradient Force
The Positive Side of the Number Line
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06-11-2015, 12:24 AM
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#243 (permalink)
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Growin a stash
Join Date: Jun 2014
Location: Austin TX
Posts: 818
Thanks: 417
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I'm so jealous that you're getting fuel for free. There are a lot of reasons why it would be hard to do on my car, but I love the idea. Maybe when it gets a little older. Seriously, you've gotta make this your DD
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2024 Chevy Bolt
Previous:
2015 Nissan Leaf S, 164 mpge
Last edited by ME_Andy; 06-11-2015 at 12:42 AM..
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06-11-2015, 11:14 AM
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#244 (permalink)
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In Lean Burn Mode
Join Date: Apr 2009
Location: Pacific NW
Posts: 1,553
Thanks: 1,315
Thanked 602 Times in 391 Posts
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I wish I could use the car more then I do. I haul paint supplies over 400miles on Wednesday and Thursday. Sometimes I use the Talon when the supplies will fit, but I have limited the amount I can take with the mid mount turbo box.
Even there are times my truck is almost not big enough.lol
I'm considering purchasing another Talon FWD manual with turbo. It will be a built as a fuel mileage specific car only. I have a ton of extra parts and can swap the ecu back in forth to what ever car I will be driving that day. 
__________________
Pressure Gradient Force
The Positive Side of the Number Line
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06-11-2015, 12:11 PM
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#245 (permalink)
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Administrator
Join Date: Dec 2007
Location: Germantown, WI
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Thanks for the reminders guys. We've been slacking on getting new threads on the front page.
Its been added! Thanks for sharing your amazing work Pgfpro! |
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06-14-2015, 03:44 PM
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#246 (permalink)
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In Lean Burn Mode
Join Date: Apr 2009
Location: Pacific NW
Posts: 1,553
Thanks: 1,315
Thanked 602 Times in 391 Posts
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Installed decal to bring some more interest to this site and to let the local cops know the car is built to get fuel mileage and not just haul the mail.lol
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Pressure Gradient Force
The Positive Side of the Number Line
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06-15-2015, 02:07 PM
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#247 (permalink)
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Master Novice
Join Date: Jan 2008
Location: SE USA - East Tennessee
Posts: 2,314
Thanks: 427
Thanked 616 Times in 450 Posts
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Quote:
Originally Posted by pgfpro
Installed decal to bring some more interest to this site and to let the local cops know the car is built to get fuel mileage and not just haul the mail.lol
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Now I'm imagining using this rig to haul actual mail.
vroom
*eertt*
*flip*stuff*slap*
vroom
*eerrt*
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Lead or follow. Either is fine.
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06-19-2015, 02:29 AM
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#248 (permalink)
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In Lean Burn Mode
Join Date: Apr 2009
Location: Pacific NW
Posts: 1,553
Thanks: 1,315
Thanked 602 Times in 391 Posts
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After going over some data logs I'm thinking I need more back pressure at light load freeway? Right now I'm at 1psi intake with .5psi exhaust back pressure. It did increase exhaust pressure with my new turbo compound system but not enough IMO.
I want to try 1psi intake with around 3psi back pressure. My thoughts are to increase the blow-down efficiency. After talking with some of the guys on the F1 Technical forum I think I could increase combustion efficiency by running a little more back pressure. Being my engine is a port injection and not direct injection I don't have the luxury of controlling the injecting timing event. So when my intake valve opens and comes off its seat the fuel is already there and I will lose some of it during cam overlap. I can adjust the cam gears with my adjustable cam gears and decrease the overlap but it will have to be set back when I want to make decent power.
Right now my Over Lap is 8 degrees @ .0394" which is pretty tight being a turbo engine. After reading some technical papers it looks like you can achieve around 8% blow-down recovery with a little back pressure or a negative engine delta p?
So my new plans are to start figuring out where my boost exhaust valve cut out will go??? This will reduce exhaust noise by running through a small muffler and at the same time increase back pressure at light load only. At WOT the e-cut out will open and by pass the muffler. This should give me around 3psi to play with.
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Pressure Gradient Force
The Positive Side of the Number Line
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06-21-2015, 06:20 PM
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#249 (permalink)
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EcoModding Lurker
Join Date: Jan 2010
Location: Portland Or
Posts: 20
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Thanked 9 Times in 7 Posts
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Replying so I'll get thread update notifications. Good job! Excellent workmanship!!
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06-21-2015, 06:27 PM
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#250 (permalink)
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Cyborg ECU
Join Date: Mar 2011
Location: Coastal Southern California
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Quote:
Originally Posted by pgfpro
Installed decal to bring some more interest to this site and to let the local cops know the car is built to get fuel mileage and not just haul the mail.lol
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Checked your fuel log and I am am reminded of your older build, that 3 stage vtec Civic you modded. You edited the ECU to get "ultra lean burn" at certain freeway cruise RPMs and edited other parameters to produce more power.
What is your ultra lean burn range now? I remember you were using a CX/VX transmission IIRC to keep RPMs down. But this car has pretty short gearing, no?
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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