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Solve the Impreza GR Stumble | Subaru Problem Solving

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The GR Stumble effects almost all Subaru Imprezas from the year 2008 onwards and has been the subject on many topics of discussion on ways to solve it. I set about fixing it on a 2010 JDM Impreza STi ... WITHOUT mechanical changes....
website: www.racedynamix...
booking: racedynamix.as.me
#grstumble #subarutuning #subarumods #subarumapping #selftune #remap #ecumapping #subarulife #subaru #racedynamix #subaruremap
If you are interested in learning how to tune your Subaru ... Join this channel to get access to the RaceDynamix Academy:
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Опубликовано:

26 авг 2024

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Комментарии : 31

@bunsofsteeeel 2 месяца назад

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

@racedynamix 2 месяца назад

😂😂🙏

@mranderson3927 Месяц назад

Yeah mines in the 3000 to 3500 range, right pita, will send this to my tuner, drop in for a tweak and hopefully be rid of it, cheers!

@racedynamix Месяц назад

👍👍

@dreambiggarage 2 месяца назад

Awesome job my friend

@racedynamix 2 месяца назад

thanks mate 🙏

@grantufouniquefilmingopera5301 2 месяца назад

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)😊👍👌🙏

@petertarski3007 2 месяца назад

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

@racedynamix 2 месяца назад

thanks Peter 🙏

@natel5370 2 месяца назад

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

@racedynamix 2 месяца назад

Remind me on the day and I will look to see whether yours would be fixed with this :)

@natel5370 2 месяца назад

Just gathering all the parts to complete the puzzle ready for a re run.. really good map just so strangled being standard hardware throughout😂

@retrocarsyndicate8867 2 месяца назад

Tremendous car ❤

@SleepyCorn-qv2nw 2 месяца назад

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.

@racedynamix 2 месяца назад

Yeah..bigger injectors really emphasise it. Luckily the maf curve cure sorted this out..have changed fprs before for others and rails. Good choice 👍

@user-ic6kb1dy1d 2 месяца назад

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

@racedynamix 2 месяца назад

Personally I would use a 10/50 or 15/50 fully synthetic ..Motul 300v is great 👍

@user-nf3oq2ge3g 2 месяца назад

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.

@racedynamix 2 месяца назад

Yeah, there are many different causes of it.. I was surprised that this solution worked so simply, I was expecting other tasks tbh👍

@user-nf3oq2ge3g 2 месяца назад

@@racedynamix it’s good though means you are covering all aspects of the problem on many different cars.

@boosTiMon 2 месяца назад

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

@racedynamix 2 месяца назад

99 Ron is the best we have.. about equivalent to 93/94 aki US octane 👍

@boosTiMon 2 месяца назад

@@racedynamix Ethanol’s not available?

@boosTiMon 2 месяца назад

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

@notsponsored103 2 месяца назад

Saloon, Sedan, same same.

@boosTiMon 2 месяца назад

@@notsponsored103 Thanks! In the United States we refer to Saloons as old fashioned country western type bars for drinking and for shooting cowboy and country western movies.

@racedynamix 2 месяца назад

divided by a common language 😂