[ZenFFS]

Just got this in the mail, and hopefully installing tonight!
Will update after a fresh full tank of 93.

 

[ZenFFS]

I've noticed this in my FFS as well. A stumble in the idle, but no other issues when driving/moving.
I thought it was almost intentional as if the motor was checking/testing octane (triggered by the fuel guage going up, meaning new gas was added).
What is this part and what is the root problem?

Many thanks by the way!

 

[ZenFFS]

Nice - looks like a 1 beer job.
I know it's hard to quantify, but how much 'shake' does your car have with the solid mounts? Still family friendly?
I usually end up putting Poly motor/trans in my cars, and love how stiff they are for a few weeks. Then they start feeling 'soft', and I regret not doing solid...