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Hi so my question is i just recently got done rebuilding my 205 usdm wrx motor and I change oil 3 times already. But I had to put new tunes on it map it it’s pushing 400whp as of now is it normal for my oil to have fine glitter in it from motor rebuild or is something wrong happening pleases ty. I am pushing a bigger turbo in it as well fuel and running e85. Ty much

Hi Duncan, thanks for all your help over text in the past! I am now at the stage I have my JDM legacy GT ‘sorted’ after engine rebuild. I’m running a hybrid VF38, 8.5:1 (down from 9.5:1) pistons and pretty much stock everything else. What sort of power can I achieve with this when I come to you for a map? Would I be better off switching turbos now I have lowered compression? Cheers, Isaac.

Hi Duncan, enjoying the vid I’m keeping my sti now, do you know any differences between vab and vaf sti’s information is very thin on the ground online, I know the Jdm is a 2L with equal length manifolds and I presume a twinscroll turbo it has different wheels and a rear wiper just like most Jdm models before it that’s all I know, any info would be appreciated

I just bought my second Impreza it's a wrx blobeye I'm putting a 6 speed sti gear box what's the max power I can get out of the wrx engine which is safe and what's the best turbo for high end power ?

Hi Duncan, appreciate you taking the time to do these Q&A's as well as helping to feed my Scooby content addiction :) I've a bugeye sti that is running speed density opensource maps (switchable for 95/99ron). A while back I had an overheating issue which led me to have heads & block skimmed. Admittedly my knowledge is still minimal (which is partly why I appreciate this series of videos), so while I understand the need to adjust the map for a variety of mods/parts... it didn't occur to me that the remedial engine work might also compromise the state of play (with the map being unchanged). So I'd like to ask if you'd mind addressing this scenario in a future Q&A - presumably the smaller combustion chamber is still receiving the original amount of fueling, so it'll be running rich - or is it likely to be compensating? And what about timing etc... am I at a much greater risk of detonation? All nuggets of wisdom gratefully received. All the best from the Scottish islands :) - hence the 95 map ;(

Love your content! Can you help me find a clean set of the GR sti recaros that are used in your thumbnail? 👍

How about Texaco fuel?

Hello sir. I have a wrx sti 2013 179k km on the engine. What should I do ? Sell it ? I don’t have money to rebuild the engine. I have the motivation to self rebuild the engine. Such a dilemma, actually someone will come and have a look at the car. Pls advice me

She’ll Esso Tesco

Hott 😍

I like this video. I would like your opinion about stock tune vs a pro tune, why are pro tunes safer than stock tune? Thanks for the video.

Hi I have same car as yours needs engine rebuild bottom end gone am in two minds to fix same engine or change

Cheers Duncan, top notch as always 😊

Hi, love the channel, I've got a 02 bugeye STI type UK with all the PPP bits, it's all pretty standard but I've recently removed the second cat to fit a 2.5 none res straight pipe, have a tactrix, ECUFlash/RomRaider etc but I'm battling with the eml light that keeps coming on after removing the lamdba in the cat, any clue's to what I need to disable to get it go away?

Im very hopeful to learn what I need to do so my subi can live healthy

I find the stumble is in the dbw torque output being to high in the low load range, and incorrect shaped tip in enrichment. But that’s assuming you maf scale is correct, and your still having the issue.

Q: Do you tune the Cruise and Non- cruise with same timing tables, or do you have the cruise tables lower than the non-cruise? i noticed the stock map has the cruise tables has lower timing than the non-cruise. Thanks in Advance.

Sorry I missed last nite . 😢❤

Evening, just watched on ‘catch up’ great as always. Q So what would be the ‘second’ best engine ? Cos I’m never gonna find or afford a ej22 😂 Btw the car was perfect on my Nurburgring trip in May 😊 (upgrade path video)

Hi am told jdm 2001-2003 has forged pistons etc and the rest isn’t as strong that had the twin scroll turbo. Is this true?

Tremendous car ❤

Cool car. looking forward to watching more on this

You are the 1st tuner I have seen tune with the hood closed. Any particular reason? Just discovered these vids from across the pond and mind mind is blown! I dont need as much as I think I need for what I had planned.

Another gem of information...You have a new subscriber

Thanks for this vid. Great great info.

Have you had any issues with the Cobb inlet piping or any of the other, i got one thinking it would be reliable as my stock one was done for.

Thank you for sharing, im still fairly new to tuning and I have a question, how do you get the ALPHA OverRun fueling dropdown? its disabled on mine, I use ecuflash btw

TLDR: Aftermarket lines, rails, regulator. Fixed.

I have a 2004 Forester STI that im learning to tune on, could you share your definitions? the ones i have found dont have overrun fueling in them 😅

Nice. My stumble became unbearable after switching to larger injectors. I initially tried another style regulator but ultimately the fix was switching to parallel lines and aftermarket rails.

Nice Demo Duncan, of data logging and problem solving. 👍 Good vid as usual 🙂

Great video mate keep it up enjoying the videos. Q. V3 sti type r what weight of oil do you recommend sorry I feel you have answered this before but can't remember cheers

What’s the definition of Saloon in UK for these cars?

What’s the fuel of choice in the UK? What available fuels are there readily available?

Great job agin Duncan just that little annoying problem that most of the gr chassis have top man for showing us how to solve it this is why your the (Subaru guru)😊👍👌🙏

Nice work as always!, I’ve sold my sti to a family member pending payment 😂 but I told him he’s coming to you for mapping as that’s what I was going to do lol

Awesome job my friend

I have this also in exactly the same place I was going to mention this when I come back soon ! Thanks I thought I had a sensor going bad

Q. Hi Duncan i know you probably answered this question loads but v3 sti type r what weight of oil would you run? Thanks 👍