Question for those who have installed a boost gauge

[Apples]

I agree. About 2 weeks ago, I was buying premium (91 octane here), for $2.39. Yesterday, it was $3.49!

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[Polar Bear]

The top of the trapezoid (black in the photo)is 23 pounds. Occasionally, I see the needle almost disappear below it, but it doesn't stay there long.

Question in regards to this. I've seen 22-23 at WOT but it drops back really quick to between 15-18 before the gear shift. Have you noticed such?

 

[Langwilliams]

I agree. About 2 weeks ago, I was buying premium (91 octane here), for $2.39. Yesterday, it was $3.49!

Same here....If 87 climbs over $3-$3.50 I might switch back to the 87 tune. I like the tune but I'm trying to retire soon.

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