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Discussion Starter · #1 ·
And that's for about 8 months.

My car used to pop very frequently and now never does.

So much for the theory that it was "designed in". IMO it's a symptom of spark advance being retarded and fuel dumping and not a feature.

... but then yesterday's tank of 101/92 blended ran me $63.


Volvo definitely didn't optimize this car for West Coast gas.
 

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Re: Something occurred to me recently... No pops from my car when mixing to 94+ octane. (StaggRLee)

I still get a little pop even mixing the same exact gas you do.
One of these days I'll run into you down there in Auburn!
 

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Discussion Starter · #3 ·
Re: Something occurred to me recently... No pops from my car when mixing to 94+ octane. (flybynight)

Maybe my pops wore out.


I had them even after adding the downpipe and exhaust but haven't heard them in quite a while.

I'll keep an eye out for you on Auburn Way.
 
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