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-   -   87 octaine=KNOCK !!! (http://forums.mustangworks.com/showthread.php?t=29639)

5ohCOUPE 10-03-2002 04:52 PM

87 octaine=KNOCK !!!
 
I was half asleep this morning putting gas in my car. It was almost empty. The pump stopped at 15 bucks. This didnt make sence because it usually takes about 20 bucks to fill it. I looked down and noticed that I had put 87 octaine in it.:eek: Well needless to say It knocks pretty bad. Tried turning the timing down but didnt help. I cant wait untill Some of this crap is gone from my tank. I need to get some 93 FAST. Just a reminder, if you have mods done to the engine in your car DONT PUT 87 IN IT !!!!!:D

fiveohpatrol 10-03-2002 05:36 PM

I'd back the timing down to about 10deg initial, and put some octane boost in it. Then run that tank completely empty before you fill up again.

I came really close to doing the same thing one day, its a good thing I didn't cause I was on the way to the track :)

bigblockcoupe 10-03-2002 06:11 PM

that sucks either put some octane booster in it or stop buy your local speed shop and get some 104 octane unleaded after you run some of the 87 out.

lx mike 10-03-2002 08:29 PM

My brother had something simular happen only it was that the gas he bought had water in it and car ran like a lawnmower. He had an electric fuel pump so we disconnected from carb and just let it pump it all out into a gas can. i remember seeing somewhere that on the connector to pull codes that there is a terminal you can jump and it runs the fuelpump continuously. Then all you'd have to do is disconnect the line from the fuel rails and run a piece of hose to a fuel can and take out a few gallons .

here where i found the info on running the fuel pump.


http://www.mustangworks.com/articles...-iv_codes.html


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