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780 Engine Knock 700 1987

posted by  sleepin780 on  Tue Jun 3 16:16 CST 2003
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WOW, you got 210k on that! I have 155k. What grade of gas do you use? It will knock under 89 octane. I put in 93 personaly. How about your motor mounts? A bushing could be bad, that would make a knock but keep the power. Also you may need to have a valve adjustment,(not cheap). It's to general to ID over the net, can you pinpoint the knock under the hood? Let me know.

John
87 780 V6





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New 780 Engine Knock [700][1987]
posted by  87V780  on Sun Jun 1 12:14 CST 2003 >


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