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Registered
Join Date: Jul 2001
Location: Wilmington, NC USA
Posts: 635
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Have a freiend who did a 3.6 conversion. Engine supposedly rebuilt with higher performance cams than stock. His problem is at 4000 RPM the timing is 40 degrees BTDC. Why too advanced. As a result he has knocking problems even with racing gas. He's tried to reposition the distributor one tooth each way. No good. Not really enough room to turn the distributors for this much adjustment. He 's checked the second distributer and at TDC # 1 cylinder both distributor's point to # 1 Cylinder. So now my question. Can the DME chip be bad or advance the timing too much for siome reason? or is this a sympton of the knock sensors being bad? or some other sensor?
Any help appreciated.
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69 911 2.3Ez 85 928S |
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You do not have permissi
Join Date: Aug 2001
Location: midwest
Posts: 39,870
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I heard you could check the knock sensor by tapping the engine while watching the timing marks at idle to see if it backs up.
Not sure about the 3.6L setup, but I thought some management systems keep advancing the timing untilknock for power and milege. Don`t know. Is the base/idle where it`s supposed to be?
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Meanwhile other things are still happening. |
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Registered
Join Date: Oct 2003
Location: Louisville KY
Posts: 493
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Is he using an aftermarket chip, or an OEM chip? If it's an aftermarket chip, switch back to stock to see what happens. Dan
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I have plenty of lead for my pencil... just not enough paper to write on.. 82SC with 95 993 engine 2004 Ford Powerstroke |
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