347 ignition timing NEED help
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Old June 1st, 2007, 01:08 PM   #1
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347 ignition timing NEED help


I have a probe 347 with xfi comp cam I have pro product damper I sure the marks are wrong so I made a new mark for TDC. set base @15 btdc and engine does not perform. So I set distributer to where it does perform good (real good)but the timing is at about 15-20 ATDC. Has any one delt with this and is it OK?
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Old June 1st, 2007, 01:53 PM   #2
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Contact Bob Kurgan at KurganMotorSports.com he tuned my car & he'll know the answer immediately.
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Old June 1st, 2007, 03:59 PM   #3
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Re: 347 ignition timing NEED help


Originally Posted by flamestang
I have a probe 347 with xfi comp cam I have pro product damper I sure the marks are wrong so I made a new mark for TDC. set base @15 btdc and engine does not perform. So I set distributer to where it does perform good (real good)but the timing is at about 15-20 ATDC. Has any one delt with this and is it OK?
you're talking 15 degrees advanced i think, that's fine.
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Old June 4th, 2007, 01:13 PM   #4
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Thanks guys I got it figured out. Just had to find the real tdc mark :wink
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Old June 4th, 2007, 06:56 PM   #5
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what did you put your timing at?do you think you can out all 347s at 15 degrees advance? i put mine at 10 but do you think i could bump it up a little without detination?
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