Watch where you fill up you charged mazda! - Miata Turbo Forum - Boost cars, acquire cats.

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Old 04-19-2007, 07:39 PM   #1
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Default Watch where you fill up you charged mazda!

Filled up my car yesterday with 93. At 4K+ RPM started hearing this nasty rattling sound. Oil needle was jumping as well... Alas, I now know what ping sounds like.

My timing is set at 12deg and bipes at 6deg retard. Had to set bipes to pull 14deg to get rid of the ping... What the F did they fill it up with? diesel??


From previous experiences, privately run gas stations (smaller) tend to have worse gasoline for some reason. Anyone had to deal with anything like this before?
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Old 04-19-2007, 08:35 PM   #2
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Yes, it happens. What happens most often is too much regular is purchased and they just blow the excess regular into the premium fuel tank unbeknown to the customer.
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Old 04-19-2007, 09:53 PM   #3
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That really sucks, good thing you noticed it when you did. Hopefully it didn't damage anything.
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Old 04-19-2007, 10:09 PM   #4
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Throw some octane booster up in there.

And go back and at the station manager.

-Mike
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Old 04-19-2007, 10:13 PM   #5
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yep lots of bad gas in KY as well shitty stations with leaky tanks old gas and all together crappy situation you need to be carefull where you buy and what. sometimes the 89 is better than the 93 at some pumps.
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Old 04-19-2007, 10:16 PM   #6
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WARNING; ohio doesn't test gas quality. all bad gas gets dumped here.
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Old 04-19-2007, 10:21 PM   #7
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always go to stations that have 3 or 4 different pumps.instead of the just one pump does it all.
i always try and stay away from local stations.so far my miata has only seen mobil.
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Old 04-19-2007, 10:34 PM   #8
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When I fill up at a station with one pump for all 3 varieties, I like to spray a gallon or so out on the ground to clear the line, before I fill up. I recommend smoking while you do this too.
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Old 04-19-2007, 10:35 PM   #9
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btw, Shell sells 101 octane at like 3 different gas stations here in OK city...I don't know why though.
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Old 04-19-2007, 11:53 PM   #10
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Quote:
Originally Posted by magnamx-5
yep lots of bad gas in KY as well shitty stations with leaky tanks old gas and all together crappy situation you need to be carefull where you buy and what. sometimes the 89 is better than the 93 at some pumps.
you live in the woods.. i never have problems..
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Old 04-20-2007, 12:19 PM   #11
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Quote:
Originally Posted by hustler View Post
btw, Shell sells 101 octane at like 3 different gas stations here in OK city...I don't know why though.
word. and i like it
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Old 04-20-2007, 12:36 PM   #12
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I really want to run an e85 map....
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Old 04-20-2007, 01:51 PM   #13
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yeah I got some speedway yesterday ( all that was around ) and now Im getting ping on .8bar of boost. **** some speedway Ill stick with BP, and Shell.
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Old 04-20-2007, 02:27 PM   #14
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Speedway is junk I never go there.
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Old 04-20-2007, 03:05 PM   #15
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Quote:
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Speedway is junk I never go there.
Its only 92 octane too. I figured it would be ok, but I think I should just switch to a flux capacitor to get the extra octane.
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Old 04-20-2007, 03:46 PM   #16
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Quote:
Originally Posted by Splitime View Post
I really want to run an e85 map....
same here. DO our cars have any problems with the e85 deteriorating fuel lines?
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Old 04-20-2007, 04:23 PM   #17
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Hmm... I seem to be getting much better MPG with shiet gas.
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