AJ's VF52'd 08 WRX!! - Subaru WRX Forum
 
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#1 Old 02-06-2011, 02:47 PM
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AJ's VF52'd 08 WRX!!

I just swapped my little TD04 for a VF52 and got her tuned. I'm having a lot of fun with this car! here are the mods list and charts?
VF52
perrin TMIC
Invidia catless DP/SPT catback
Perrin lightweight crank pulley
K&N air filterl




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#2 Old 02-06-2011, 11:41 PM
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sorry man i know i said this over at 3g, but that tune is scary! i wouldnt go WOT if i were you. theres a lot going wrong there. i bet your pushing to much boost, not enough cooling, and your knocking like crazy to be dropping that much power all over the place. please have someone else retune it, or contact someone that you see all over the forums and send them a copy of a log.

Scott-2011 WRX 335HP 394TQ 93 VF52!
http://www.wrxtuners.com/forums/f121/2011-wrx-build-31226/
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#3 Old 02-06-2011, 11:53 PM
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well thanks for the input, as much as i dislike hearing it! ill log tomorrow and send it off and give an update. thanks again for the input, i wasn't sure if what i was looking at was really bad or just slightly off.

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#4 Old 02-07-2011, 12:41 AM
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just look at my tunes or anyone elses. dynos will show different types of lines but 99% will and should all go strait up and then strait down. dancing like your seeing with 15-25 drops for like 400-1100 RPM spans is bad! the cars not happy at all.

example


Scott-2011 WRX 335HP 394TQ 93 VF52!
http://www.wrxtuners.com/forums/f121/2011-wrx-build-31226/
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#5 Old 02-07-2011, 05:34 AM
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Look at the afr curve compared to the power. Afr jumps to almost 12 and power drops at the same time. Ima guess there's some knock in there somewhere. Also, the smoothing could be off a bit on the graph, but there's still something wrong there.

It looks like the car likes to be at about 11.6 but then it spikes and power drops off. It probably pulled some timing in relation to those spikes and some knock that could be going on there.

What fuel are you tuning on?

-Chris
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#6 Old 02-07-2011, 05:45 AM
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I've never seen AFR's like that on a tuned car... Come to TX and go see COBB in Plano.

Paul
2007 XT
2007 MS3
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#7 Old 02-07-2011, 01:24 PM
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haha yea i dont think i can go all the way out to plano. nor can i afford to pay for a completely new tune. im gonna give these guys an opportunity to fix the problem and hopefully i can still give them some good feedback when all is said and done

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#8 Old 02-07-2011, 01:38 PM
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It's only 400 miles.... Not bad considering I still go to Plano from SA and that's about 300 miles.

Get a 3port before you go back.

Paul
2007 XT
2007 MS3
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#9 Old 02-07-2011, 06:39 PM
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why do i need a bcs if my boost is not a problem?

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#10 Old 02-08-2011, 05:52 AM
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Factory one is a turd.... A 3port holds boost better, longer and quicker.

Just an idea.

Paul
2007 XT
2007 MS3
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#11 Old 02-09-2011, 10:06 AM
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yea but its also something that i need to get tuned for, and needless to say im a bit weary of adding anything else that needs to be tuned for. I'm waiting to get the bcs when i get my ewg setup, fuel pump and injectors. that will be a beautiful day my friend.

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#12 Old 02-09-2011, 11:51 AM
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If you go back to get a retune... throw it in and have them redo it.... It will help a little.

Paul
2007 XT
2007 MS3
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