SCT/ mail order tune problem

fastregalwe2 · May 22nd, 2009, 08:47 PM

I have an 08 Saleen that came s/c'ed. I just installed a 3.4 pulley, HT0 plugs, and my email tune from JDM. Took the car out for a drive and as soon as it hit boost it was spark knocking BAD. I am using the SCTx3, what can I do until I can get back ahold of them on Tuesday, besides not driving the car and/or not boosting it. I went into the Tune Car option and the only change I can make to the JDM tune is axle ratio and tire size. I can go to the Custom Tune and change stuff but its not the JDM tune. In that option though the 93 octane was checked and its supposed to be a 91 octane tune. Dunno if that even has anything to do with the JDM tune or not.

kenneth · May 22nd, 2009, 09:15 PM

Do you have any Gauges to see what's going on, also did you upgrade you upgrade your fuel system?
which injectors are you using?

NastyFX4 · May 22nd, 2009, 09:30 PM

Hmm ... what did you gap the plugs to?

fastregalwe2 · May 22nd, 2009, 09:40 PM

Jim at JDM said I would be fine with no fuel upgrade. My car came with the 39lb inj, its the 465 hp rated car. The plugs a paid the extra to have them gapped at .030

I did order a BAP on Wed though as an added insurance policy. But, I was told it was not needed with the 3.4

No gauges, just the monitor on the SCT, glanced at idle/low rpm looked like 17* timing but I'd have to see if the data log saved in the SCT

kenneth · May 22nd, 2009, 10:07 PM

Try to get a Datalog and send them a copy so they could se what's going on.

In the meantime I wouldn't get into boost.

fastregalwe2 · May 22nd, 2009, 11:04 PM

the log shows 15-18* timing. Supposed to be a 91 tune

fastregalwe2 · May 23rd, 2009, 10:53 PM

Jim got it straightened out today. He pulled 2* timing out of the tune putting me at 16* base.

usafimj · May 23rd, 2009, 11:05 PM

How does it drive now

fastregalwe2 · May 23rd, 2009, 11:33 PM

much better, but I dont like not having the extra timing. I saved both tunes. I will load the 18* one after the BAP and vac line kit gets here Tues and see if that will allow me to run the 18* instead of the 16*

May 22nd, 2009, 08:47 PM	#1
fastregalwe2 Regular 2008 Saleen S281AF 12.12@117 Join Date: Apr 2009 Location: OKC Posts: 347 iTrader: 0 reviews	SCT/ mail order tune problem I have an 08 Saleen that came s/c'ed. I just installed a 3.4 pulley, HT0 plugs, and my email tune from JDM. Took the car out for a drive and as soon as it hit boost it was spark knocking BAD. I am using the SCTx3, what can I do until I can get back ahold of them on Tuesday, besides not driving the car and/or not boosting it. I went into the Tune Car option and the only change I can make to the JDM tune is axle ratio and tire size. I can go to the Custom Tune and change stuff but its not the JDM tune. In that option though the 93 octane was checked and its supposed to be a 91 octane tune. Dunno if that even has anything to do with the JDM tune or not. __________________ Military Crew (SCW/AW) E6 08-0192 Saleen S281AF

May 22nd, 2009, 09:15 PM	#2
kenneth Hardcore Enthusiast 2006 Mustang GT 11.45@123.61 Join Date: Nov 2007 Location: Cut Off, LA. Posts: 1,468 iTrader: 2 reviews	Do you have any Gauges to see what's going on, also did you upgrade you upgrade your fuel system? which injectors are you using? __________________ Stock for now.

May 22nd, 2009, 09:30 PM	#3
NastyFX4 Made in U.S.A. 2011 F150 FX4 Join Date: Jan 2009 Location: Florida Posts: 15,030 iTrader: 8 reviews	Hmm ... what did you gap the plugs to? __________________ NastyStang's Garage Sale!!

May 22nd, 2009, 09:40 PM	#4
fastregalwe2 Regular 2008 Saleen S281AF 12.12@117 Join Date: Apr 2009 Location: OKC Posts: 347 iTrader: 0 reviews	Jim at JDM said I would be fine with no fuel upgrade. My car came with the 39lb inj, its the 465 hp rated car. The plugs a paid the extra to have them gapped at .030 I did order a BAP on Wed though as an added insurance policy. But, I was told it was not needed with the 3.4 No gauges, just the monitor on the SCT, glanced at idle/low rpm looked like 17* timing but I'd have to see if the data log saved in the SCT __________________ Military Crew (SCW/AW) E6 08-0192 Saleen S281AF

May 22nd, 2009, 10:07 PM	#5
kenneth Hardcore Enthusiast 2006 Mustang GT 11.45@123.61 Join Date: Nov 2007 Location: Cut Off, LA. Posts: 1,468 iTrader: 2 reviews	Try to get a Datalog and send them a copy so they could se what's going on. In the meantime I wouldn't get into boost. __________________ Stock for now.

May 22nd, 2009, 11:04 PM	#6
fastregalwe2 Regular 2008 Saleen S281AF 12.12@117 Join Date: Apr 2009 Location: OKC Posts: 347 iTrader: 0 reviews	the log shows 15-18* timing. Supposed to be a 91 tune __________________ Military Crew (SCW/AW) E6 08-0192 Saleen S281AF

May 23rd, 2009, 10:53 PM	#7
fastregalwe2 Regular 2008 Saleen S281AF 12.12@117 Join Date: Apr 2009 Location: OKC Posts: 347 iTrader: 0 reviews	Jim got it straightened out today. He pulled 2* timing out of the tune putting me at 16* base. __________________ Military Crew (SCW/AW) E6 08-0192 Saleen S281AF

May 23rd, 2009, 11:05 PM	#8
usafimj I Post Entirely Way Too Much 2007 Ford Mustang GT 12.847 @ 114.12mph Join Date: Sep 2007 Location: Oklahoma City, Ok. Posts: 5,084 iTrader: 1 reviews	How does it drive now __________________ 07 GT-- Gone But Not Forgotten Military Crew E-5

May 23rd, 2009, 11:33 PM	#9
fastregalwe2 Regular 2008 Saleen S281AF 12.12@117 Join Date: Apr 2009 Location: OKC Posts: 347 iTrader: 0 reviews	much better, but I dont like not having the extra timing. I saved both tunes. I will load the 18* one after the BAP and vac line kit gets here Tues and see if that will allow me to run the 18* instead of the 16* __________________ Military Crew (SCW/AW) E6 08-0192 Saleen S281AF

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