Subaru Forester

[Egan101]

Yes even the FB20. It feels “sakal” when I use fuel lower than 95 RON.


Sent from my iPhone using Tapatalk

How so? Have you tried driving your Fozzie at 4K rpm or higher? NA engines achieve peak torque between 4k to 5k rpm. If you tend to drive between 2k to 3k rpm, you won’t be able to feel that extra oomph.


Sent from my iPhone using Tapatalk

[Egan101]

Hi guys,
Here's what my manual says:
Fuel requirements
Non-turbo models
The engine is designed to operate using unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher. Sabi lang po kasi ng ahente ko 95 RON or higher daw. Kaya confused ako.
Another question po pala, Ok lang po ba na mixed yung normal gasoline sa premium gasoline? Thanks po sa mga reply guys!

So the usual 91RON of the base unleaded gasoline will meet the requirement as per the manual. Sabi lang pala ng ahente na kelangan 95RON.

Oks lang halo ng gas. Mayrun naman knock sensor yung modern engines to deal with such cases.


Sent from my iPhone using Tapatalk

[MR_BIG18]

How so? Have you tried driving your Fozzie at 4K rpm or higher? NA engines achieve peak torque between 4k to 5k rpm. If you tend to drive between 2k to 3k rpm, you won’t be able to feel that extra oomph.


Sent from my iPhone using Tapatalk

I noticed that sakal feeling too when the gas prices goes up..i feel like some overwhelming dread when i step on the gas too much..hehe

Sent from my SM-G955F using Tapatalk

[SpinCycle]

How so? Have you tried driving your Fozzie at 4K rpm or higher? NA engines achieve peak torque between 4k to 5k rpm. If you tend to drive between 2k to 3k rpm, you won’t be able to feel that extra oomph.


Sent from my iPhone using Tapatalk

Yup I redline the car occasionally. There is a felt difference between the two fuel blends.

If others don’t feel it, they are fortunate as they can opt for the cheaper option.

In my case, I have decided to always go for 95 RON.


Sent from my iPhone using Tapatalk

[Egan101]

Yup I redline the car occasionally. There is a felt difference between the two fuel blends.

If others don’t feel it, they are fortunate as they can opt for the cheaper option.

In my case, I have decided to always go for 95 RON.


Sent from my iPhone using Tapatalk

Maybe it has to do with the tuning Motor Image did for our local Fozzies. Better check with Motor Image if they didn’t follow the manual for the local tune of the FB20. That might be the same for the XV and Impreza.


Sent from my iPhone using Tapatalk

[Egan101]

I noticed that sakal feeling too when the gas prices goes up..i feel like some overwhelming dread when i step on the gas too much..hehe

Sent from my SM-G955F using Tapatalk

Me too, BIG. The Fozzie needs 50L each full tank and that amounts to around 3k every fill.


Sent from my iPhone using Tapatalk

[monsky137]

So the usual 91RON of the base unleaded gasoline will meet the requirement as per the manual. Sabi lang pala ng ahente na kelangan 95RON.

Oks lang halo ng gas. Mayrun naman knock sensor yung modern engines to deal with such cases.


Sent from my iPhone using Tapatalk

Thank you sir! Very helpful ang mga tao sa forums!

[Walter]

Subaru Forester FB20 engine needs 95 octane to perform optimally ... it will run on below 95 RON though ...

[oliver1013]

May nadidinig akong kalampag, parang may kumakalog galing sa harap na suspension, any good mechanics you guys can recommend in the QC area. 2014 forester premium here, 33k mileage palang.

[Egan101]

May nadidinig akong kalampag, parang may kumakalog galing sa harap na suspension, any good mechanics you guys can recommend in the QC area. 2014 forester premium here, 33k mileage palang.

Check with Fusion R. It might be the stab links or worn-out front arm bushings.