Would you accept 1* to 2* of KR?
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Joined: Nov 2001
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From: Raleigh, NC
Would you accept 1* to 2* of KR? Would you accept 1* to 2* of KR on the street with 93 octane knowing that when you drop some 100+ or Torco (or whatever) in it, you will gain timing and have no KR? This would avoid the need for repeated re-flashes.
I'm sitting at 1.2 to 1.7 KR in some RPM ranges right now and am considering calling it a day for wright now.
WWUD (What would you do?)
I'm sitting at 1.2 to 1.7 KR in some RPM ranges right now and am considering calling it a day for wright now.
WWUD (What would you do?)
In the brief days I was logging and studying... it seems that when the LO table is left lower than the HO table, I never hit commanded timing with no KR, and always missed by coming in at less, so it must look somewhere between the two. When both tables were made the same (HO copied to LO), logging showed the timing results matched what was in the tables....
But after only having done this for a few days, there maybe something I'm missing here.
But after only having done this for a few days, there maybe something I'm missing here.
Thread Starter
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Joined: Nov 2001
Posts: 3,048
Likes: 12
From: Raleigh, NC
Originally Posted by Frost
In the brief days I was logging and studying... it seems that when the LO table is left lower than the HO table, I never hit commanded timing with no KR, and always missed by coming in at less, so it must look somewhere between the two. When both tables were made the same (HO copied to LO), logging showed the timing results matched what was in the tables....
But after only having done this for a few days, there maybe something I'm missing here.
But after only having done this for a few days, there maybe something I'm missing here.
Thanks for your opinions guys ...
10 Second Club
Joined: Apr 2002
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From: Cincinnati, Ohio
I would not accept it. Even though the PCM has the built in safegard to pull timing I would not rely on it. Either it does not pull timing quick enough or once the process starts it is slow to stop (especially under load or WOT). Most people on here that blew their motor due to detonation had the PCM set up where it pulls timing. It still did not save them. I creep the timing up till I see some KR and then pull it back till I have zero. At that point I'm comfortable. I would not be comfortable knowing the engine was seeing KR. That's my $.02.
Originally Posted by Black LS1 T/A
Would you accept 1* to 2* of KR on the street with 93 octane knowing that when you drop some 100+ or Torco (or whatever) in it, you will gain timing and have no KR? This would avoid the need for repeated re-flashes.
I'm sitting at 1.2 to 1.7 KR in some RPM ranges right now and am considering calling it a day for wright now.
WWUD (What would you do?)
I'm sitting at 1.2 to 1.7 KR in some RPM ranges right now and am considering calling it a day for wright now.
WWUD (What would you do?)
If in fact it is real KR then I wouldnt accept it, that means the you are detonating to lower the timing - not a good idea..
With my old motor I never used to get any KR, with this one I get the infamous '98 1.2-1.7 degrees of KR even if I put c16 in and its at 10:1 a/f with 13 degrees of timing - even with the sensor sensitivity turned down to almost nothing. So I just turned them off.
But if your KR is going away with better fuel I would just drop the timing when you drive on 93. Only takes 30 seconds with the newer tuners..
With my old motor I never used to get any KR, with this one I get the infamous '98 1.2-1.7 degrees of KR even if I put c16 in and its at 10:1 a/f with 13 degrees of timing - even with the sensor sensitivity turned down to almost nothing. So I just turned them off.
But if your KR is going away with better fuel I would just drop the timing when you drive on 93. Only takes 30 seconds with the newer tuners..
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Thread Starter
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From: Raleigh, NC
I have a '98. I may have it down to that "infamous KR" too, right now. I haven't put race fuel in it yet since I got it back up. I don't HEAR any detonation ... but, I can't hear much beyond the engine exhaust and tires screeching, anyway. 
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Verdad Gallardo Thread Starter
Moderator
Joined: Nov 2001
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From: Raleigh, NC
I fine-tuned before where I could copy the Hi-Oct to the Lo-Oct table. I just never knew what it would be, with varying tables, and suspected false knock sometimes bumped me down to the lower table. 
Originally Posted by kp
If in fact it is real KR then I wouldnt accept it, that means the you are detonating to lower the timing - not a good idea..
With my old motor I never used to get any KR, with this one I get the infamous '98 1.2-1.7 degrees of KR even if I put c16 in and its at 10:1 a/f with 13 degrees of timing - even with the sensor sensitivity turned down to almost nothing. So I just turned them off.
But if your KR is going away with better fuel I would just drop the timing when you drive on 93. Only takes 30 seconds with the newer tuners..
With my old motor I never used to get any KR, with this one I get the infamous '98 1.2-1.7 degrees of KR even if I put c16 in and its at 10:1 a/f with 13 degrees of timing - even with the sensor sensitivity turned down to almost nothing. So I just turned them off.
But if your KR is going away with better fuel I would just drop the timing when you drive on 93. Only takes 30 seconds with the newer tuners..
Mine did the same thing also.... even with C16.... mine are turned off also....
Kyle
i know this 98 knock has been hashed out..but has it ever been determined why 98's get this knock?
i know i myself can rule out...
1. stock 98 block (got an iron block)
2. knock sensors (put in new knock sensors)
is it...wiring? ecu?
also...sometimes it not always consistant..meaning..i will do back to back runs..and one run..will have no knock..and the other run..will have knock.
i know i myself can rule out...
1. stock 98 block (got an iron block)
2. knock sensors (put in new knock sensors)
is it...wiring? ecu?
also...sometimes it not always consistant..meaning..i will do back to back runs..and one run..will have no knock..and the other run..will have knock.
Originally Posted by Black LS1 T/A
I fine-tuned before where I could copy the Hi-Oct to the Lo-Oct table. I just never knew what it would be, with varying tables, and suspected false knock sometimes bumped me down to the lower table.
BTW welcone back........... where ya been?????????????????????????????????????????????? ??????????????
Thread Starter
Moderator
Joined: Nov 2001
Posts: 3,048
Likes: 12
From: Raleigh, NC
Originally Posted by NA$TY-TA
BTW welcone back........... where ya been?????????????????????????????????????????????? ??????????????
The Black 'Gal has been up on stands for a while, while I got my tranny back in there and some more money to bring some other things up to par. I've posted here and there, but don't have much to say since I wasn't driving it. And all my experiences were old and already shared, so you guys have more recent expriences.
I've still been on the Moderator J.O.B., though. The Forced Induction crowd seems to handle themselves better these days.
I've poked into a few threads in other sections. 
just tuned yesterday and i picked up a few degrees of knock but the tuner said its definitely false cause we ruled out exhaust hitting,new knock sensors,and a nice safe tune,so does this false knock actual retard the timing as well even though it isnt real?
Originally Posted by ddnspider
just tuned yesterday and i picked up a few degrees of knock but the tuner said its definitely false cause we ruled out exhaust hitting,new knock sensors,and a nice safe tune,so does this false knock actual retard the timing as well even though it isnt real?