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#1 |
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Enthusiast
96 GT with 97 cobra swap
13.65@101.3
Join Date: Sep 2010
Location: Plymouth, MN
Posts: 684
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tuner causing spark knock?
so last fall i bought a SCT SF3/X3 Power Flash Tuner from AM, after installing the tune i noticed that under heavy acceleration i heard like a rattling noise coming from what sounded like the front left side of the car. I heard it might be something called spark knock...? do i have to advance timing/anyone who had this problem want to walk me through it? thanks guys
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![]() 1999 V6 CAI, Tune (Sold) 1996 GT Vert 97 Cobra Engine Swap, Mods in Garage 248.8 RWHP, 353.3RWTQ But having a 4V makes it a Cobra ![]() Want to join the FOBRA club? MM FOBRA CLUB FOUNDER |
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#2 |
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I Post Entirely Way Too Much
2004,1994,1967
14.37 @ 96
Join Date: Aug 2008
Location: Texas
Posts: 6,018
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what octane fuel you putting in ? and what does the tune call for
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#3 |
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Enthusiast
96 GT with 97 cobra swap
13.65@101.3
Join Date: Sep 2010
Location: Plymouth, MN
Posts: 684
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calls for 87 and i put in 87 from holiday
__________________
![]() 1999 V6 CAI, Tune (Sold) 1996 GT Vert 97 Cobra Engine Swap, Mods in Garage 248.8 RWHP, 353.3RWTQ But having a 4V makes it a Cobra ![]() Want to join the FOBRA club? MM FOBRA CLUB FOUNDER |
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#4 |
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Enthusiast
96 GT with 97 cobra swap
13.65@101.3
Join Date: Sep 2010
Location: Plymouth, MN
Posts: 684
![]() iTrader: 0 reviews
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any advise? i hear i can do something with the timing but I'm not sure what to do
__________________
![]() 1999 V6 CAI, Tune (Sold) 1996 GT Vert 97 Cobra Engine Swap, Mods in Garage 248.8 RWHP, 353.3RWTQ But having a 4V makes it a Cobra ![]() Want to join the FOBRA club? MM FOBRA CLUB FOUNDER |
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#5 |
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Hardcore Enthusiast
2000 Mustang 3.8
ehh w/e the mostly stock time is
Join Date: Jun 2011
Location: Hickory, NC
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put a higher octane in too see if it still does it.
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#6 |
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Hardcore Enthusiast
04 Stang 1.0Gallon V6
14.45 @95.8
Join Date: Mar 2010
Location: South Jersey
Posts: 2,130
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Wait so you bought it last fall and just installed the tune now? or the noise just started happening now?
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2004 Bolt on & Cammed 3.9L V6 |
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#7 |
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Enthusiast
96 GT with 97 cobra swap
13.65@101.3
Join Date: Sep 2010
Location: Plymouth, MN
Posts: 684
![]() iTrader: 0 reviews
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no i installed it last fall but i couldn't pinpoint what it was so i have just been driving it... but i only put like 2.7k on it since last fall.
__________________
![]() 1999 V6 CAI, Tune (Sold) 1996 GT Vert 97 Cobra Engine Swap, Mods in Garage 248.8 RWHP, 353.3RWTQ But having a 4V makes it a Cobra ![]() Want to join the FOBRA club? MM FOBRA CLUB FOUNDER |
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