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Old 10-22-2006, 01:28 PM
85T/TYPE/HYPE 85T/TYPE/HYPE is offline
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Default my 85 hot air is knocking hard
have not changed nothing , still using 94 octane fuel, and when i tromped on it the otherday it put out alot of black smoke and knocked really hard. i get no lights or codes, and it runs perfect under normal driving conditions and under normal boost (11-12 psi) anything over 13-18 and she knocks. anybody have any clues??
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Old 10-22-2006, 03:30 PM
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PaCemkr86 PaCemkr86 is offline
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Default Re: my 85 hot air is knocking hard
check fuel pressure, whens the last time you pulled the plugs and checked or changed them?
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Old 10-22-2006, 04:19 PM
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Lightbulb Re: my 85 hot air is knocking hard
You really should not be running over 15 on pump gas, anyway.
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Old 10-22-2006, 04:22 PM
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Default Re: my 85 hot air is knocking hard
Quote:
Originally Posted by Keller
You really should not be running over 15 on pump gas, anyway.
LOL... the best pump gas fuel i can find here in south Texas is 93.. where are you gettin 94 ? and what brand? Sunoco ?
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Old 10-29-2006, 09:26 PM
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Default Re: my 85 hot air is knocking hard
Quote:
Originally Posted by PaCemkr86
LOL... the best pump gas fuel i can find here in south Texas is 93.. where are you gettin 94 ? and what brand? Sunoco ?

YES ULTRA 94 AT SUNOCO $2.31 A GALLON AS OF TODAY 10-29-06 CLEVELAND OHIO AREA
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