04 srt 4 Knock Retard

Predator support for Dodge gas vehicles

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theathleteih
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04 srt 4 Knock Retard

Post by theathleteih »

u7134
9.10r
04 dodge srt4

Im getting KR (-6) at wot in the 4500-6800 rpm range. Afr 11.8- 12.2
running a GT2871R 23 PSI
91 cali oct
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sohfast94
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RE: 04 srt 4 Knock Retard

Post by sohfast94 »

What's your ACT?
What plugs/gap?
Care to include a log?
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mikel
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RE: 04 srt 4 Knock Retard

Post by mikel »

What brand of fuel as well?

Fuel quality will have a major impact on the resistance to KR, especially with what passes as 91 octane out there sometimes.
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theathleteih
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Post by theathleteih »

brand of fuel is cheveron, shell, and one 76 staion that works.
my plugs are autolite xp's gap .38
I thaught I Logged the ACT but its not there.
what all do you want me to log then I can post
the car pulls major style and it feels ok. since the predator install it has 10x better drivability so could it be false? and should i pull timing?
im down loading the 9r.11 now
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sohfast94
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Post by sohfast94 »

Just ACT, RPM, PRATIO, Spark CYL1, ECT, MPH
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theathleteih
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Post by theathleteih »

will have it up about 6pm pacific time. work calls
theathleteih
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Post by theathleteih »

I dont know if it me my comp or what but how do I post my log
goats-srt
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Post by goats-srt »

theathleteih wrote:I dont know if it me my comp or what but how do I post my log
just email bryan
but where was your timing at cause with the 2871 and piss gas at 23psi with no meth your timing should be around 19-22 deg to be safe and u might have to load it as a Attachment on here
theathleteih
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Post by theathleteih »

goats-srt wrote:
theathleteih wrote:I dont know if it me my comp or what but how do I post my log
just email bryan
but where was your timing at cause with the 2871 and piss gas at 23psi with no meth your timing should be around 19-22 deg to be safe and u might have to load it as a Attachment on here
That would be sprk adjment on the loger right.
theathleteih
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Post by theathleteih »

here is my log
goats-srt
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Post by goats-srt »

the timing looks alittle high to me take out like 3 deg
theathleteih
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Post by theathleteih »

at that rpm range. or all the rpms
28patrick28
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Post by 28patrick28 »

Maybe just try to add gaz first, you seem to run learn , Specially with 23 psi of boost ..... Its there a 91 oct tune? i think we only have a 93 oct tune, so be sure to run 93 oct at least.... Im gonna send you a log 91 oct gaz running in 93 perf tune, i was getting about the same knock than you at 17-18 psi only (4500 to 6000) so i think we really need 93 oct gaz for this tune .....
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sohfast94
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Post by sohfast94 »

Just take out 2-3degrees... I don't know where you're located so it's hard to guess the quality of your gas...
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sohfast94
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Post by sohfast94 »

28patrick28 wrote:Maybe just try to add gaz first, you seem to run learn , Specially with 23 psi of boost ..... Its there a 91 oct tune? i think we only have a 93 oct tune, so be sure to run 93 oct at least.... Im gonna send you a log 91 oct gaz running in 93 perf tune, i was getting about the same knock than you at 17-18 psi only (4500 to 6000) so i think we really need 93 oct gaz for this tune .....
do you have a wideband in your car?
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