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 Watch it grow ...

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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Watch it grow ...   Mon Jun 16, 2008 8:23 pm

I just thought this would be a fun exercise ... let's track a very sweet car through the tuning process from the ground up.

So, lets get started ...

Rough base map. Wastegate pressure (11 psi), conservative timing and a super rich mix. This is with around 10.2:1 AFR tapering to the 9's.



Alright, so the mix is a bit rich ... lol. Let's see what difference pulling a little fuel can make. This pull was at 10.7:1 at 4000 RPM and 10.2:1 at 5500 onward.



I should have more logs tonight ... hopefully with moar b005t!

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Project Tuning - Performance EFI Tuning - Birmingham, AL
Sponsors: EPM | GTWorx | AMSOIL

"We two souls have shared a cheese sandwich more than twice!"

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bomjoon
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Age : 110
Location : ) why? you wanna come over?
Drives : your car.
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Mon Jun 16, 2008 8:30 pm

can you compare mine before and after the fix of the exhaust leak?

with same variables?
the one i have done before to the new one we will do sometime soon.
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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Mon Jun 16, 2008 9:39 pm

Still at wastegate pressure ... 11.1:1 AFR at 3500 to 4500 but it dips pretty drastically from there to 10.3:1 at 6500. Still making power though. You can actually see the AFR reflected in the HP/TQ curves ...


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Project Tuning - Performance EFI Tuning - Birmingham, AL
Sponsors: EPM | GTWorx | AMSOIL

"We two souls have shared a cheese sandwich more than twice!"



Last edited by TouringBubble on Mon Jun 16, 2008 9:46 pm; edited 1 time in total
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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Mon Jun 16, 2008 9:41 pm

bomjoon wrote:
can you compare mine before and after the fix of the exhaust leak?

with same variables?
the one i have done before to the new one we will do sometime soon.

Yes, I can run that comparison. I still have your pulls from last session.

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Project Tuning - Performance EFI Tuning - Birmingham, AL
Sponsors: EPM | GTWorx | AMSOIL

"We two souls have shared a cheese sandwich more than twice!"

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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Tue Jun 17, 2008 11:28 pm

Okay ... he's having to make some changes to the boost control system to up the boost level ... hopefully we'll see some big boost soon.

But, for now we've got more gains. Boost is still at 11.5 psi but the fuel is much better ... it hovers around 11.4 or so and tapers down to the high 10's. See how the HP doesn't fall off now?





Told you it was only 11.5 psi ... =)

Here is a comparison to see how we're doing so far ...



We've gained 40 hp and 34 ft/lb tq. I'd say we're off to a nice start.

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Project Tuning - Performance EFI Tuning - Birmingham, AL
Sponsors: EPM | GTWorx | AMSOIL

"We two souls have shared a cheese sandwich more than twice!"

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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Tue Jun 24, 2008 3:41 pm

New graphs at 16.5 psi ... AFR at 11.1 tapering to 10.8. Timing has still not been tuned ... I'll do that in the next round. I've tweaked the fuel and am awaiting new logs ...


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Sponsors: EPM | GTWorx | AMSOIL

"We two souls have shared a cheese sandwich more than twice!"

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LayinLo

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Male Number of posts : 801
Age : 37
Location : Alabama
Drives : TB VIII
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Sat Jun 28, 2008 12:11 pm

Very interesting process. Really cool to see it take shape and 'come alive'!
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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Mon Jun 30, 2008 11:40 pm

Some slight changes ...



Almost dialed in for 16 psi now ... last revision should have the AFRs correct at 11.5.

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Project Tuning - Performance EFI Tuning - Birmingham, AL
Sponsors: EPM | GTWorx | AMSOIL

"We two souls have shared a cheese sandwich more than twice!"

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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Wed Jul 02, 2008 10:05 pm



There were some AFR anomalies on this pull, but it was strong. Verifying final changes at 16 psi then bumping up to 18 psi ...

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Project Tuning - Performance EFI Tuning - Birmingham, AL
Sponsors: EPM | GTWorx | AMSOIL

"We two souls have shared a cheese sandwich more than twice!"

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bomjoon
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Male Number of posts : 1873
Age : 110
Location : ) why? you wanna come over?
Drives : your car.
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PostSubject: Re: Watch it grow ...   Wed Jul 02, 2008 10:46 pm

mine got bigger. instant results. Smile

lol sounds like a male enhancement product promo. lol
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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Wed Aug 20, 2008 7:38 pm

I'm a little behind ...

18 psi



20 psi



20 psi vs 16 psi


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Project Tuning - Performance EFI Tuning - Birmingham, AL
Sponsors: EPM | GTWorx | AMSOIL

"We two souls have shared a cheese sandwich more than twice!"

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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Wed Aug 20, 2008 7:44 pm

Overlay at 20 psi ...


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Project Tuning - Performance EFI Tuning - Birmingham, AL
Sponsors: EPM | GTWorx | AMSOIL

"We two souls have shared a cheese sandwich more than twice!"

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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Thu Aug 21, 2008 6:39 pm

22 psi before fine tuning the ignition ...



And ... a recap of how far we've come so far ...


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Project Tuning - Performance EFI Tuning - Birmingham, AL
Sponsors: EPM | GTWorx | AMSOIL

"We two souls have shared a cheese sandwich more than twice!"

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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Fri Aug 29, 2008 7:12 pm




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Project Tuning - Performance EFI Tuning - Birmingham, AL
Sponsors: EPM | GTWorx | AMSOIL

"We two souls have shared a cheese sandwich more than twice!"

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TouringBubble

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Male Number of posts : 1384
Age : 35
Location : Chelsea, AL
Drives : GG IX MR SE
Registration date : 2007-07-09

PostSubject: Re: Watch it grow ...   Sat Sep 20, 2008 2:12 pm

Now we're getting somewhere ...





^ the fuel was a little out of wack on this one ...

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Sponsors: EPM | GTWorx | AMSOIL

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