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Help with knock above 10lbs of boost

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Old 03-08-2017, 11:57 AM
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Originally Posted by 80/TA/LT1
thx this is useful, I will try to do this as well, I assume below 12 is too rich and would cause the knock, correct?
Under load/boost going leaner than 12:1 would be more likely to knock than going richer.
Old 03-08-2017, 12:38 PM
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Originally Posted by lurker1978
Under load/boost going leaner than 12:1 would be more likely to knock than going richer.
gotcha ya, thank you! 👍
Old 03-08-2017, 03:05 PM
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Originally Posted by 80/TA/LT1
thx this is useful, I will try to do this as well, I assume below 12 is too rich and would cause the knock, correct?
12 is too lean on most boosted setups if youre using 93 octane.
Old 03-08-2017, 03:24 PM
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Originally Posted by ddnspider
12 is too lean on most boosted setups if youre using 93 octane.
yup 93 octane, thank you!
Old 03-12-2017, 10:35 AM
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I haven't abandoned my thread guys, it's been freezing ***** this week. Can't do ****, but read more and try to learn. It's supposed to warm up this week tho.....
Old 03-12-2017, 10:46 AM
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Sounds like our weather here. What state you live in?
Old 03-12-2017, 11:33 AM
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Originally Posted by 80/TA/LT1
thx this is useful, I will try to do this as well, I assume below 12 is too rich and would cause the knock, correct?
above 12.0 is at risk of being too lean (depending on the quality of the fuel) and could cause detonation which can break stock parts. Target 11.0--11.5 A/f to be safe.

oh, and timing table pic didn't look too bad if that is where he set it after experimenting with timing. If that was the pic of timing where he considered it the "pulled out a ton of timing", then you should pull out more to see what happens.
Old 03-12-2017, 12:24 PM
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Originally Posted by dmaxs10
Sounds like our weather here. What state you live in?
Illinois, weather sux....
Old 03-12-2017, 12:27 PM
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Originally Posted by RealQuick
above 12.0 is at risk of being too lean (depending on the quality of the fuel) and could cause detonation which can break stock parts. Target 11.0--11.5 A/f to be safe.

oh, and timing table pic didn't look too bad if that is where he set it after experimenting with timing. If that was the pic of timing where he considered it the "pulled out a ton of timing", then you should pull out more to see what happens.
ok thank you, my whole tune is in post 50 I believe, some guys in here said they were gonna look at it, feel free if you're bored lol. And that pic was where I'm at now on 9.5 lbs, made 400 tire without knock. I just know this setup has more in it and I'm kinda disappointed.....
Old 03-14-2017, 06:29 AM
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Sounds like you need a new tuner....where you located? I'm in FL and potentially taking new tuning customers.
Old 03-14-2017, 01:01 PM
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Originally Posted by roastin240
Sounds like you need a new tuner....where you located? I'm in FL and potentially taking new tuning customers.
I'm in Illinois, thx for the offer
Old 03-14-2017, 06:47 PM
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sorry I havent looked at your tune. school + work been kicking my ***.
Old 03-14-2017, 06:53 PM
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Its cool, whenever uyou have time I really appreciate it, glad to see you're back working on your ride too, you do nice work man.
Old 03-15-2017, 05:16 PM
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I will take a peak at your tune when I get some free time man
Old 03-15-2017, 06:45 PM
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Originally Posted by roastin240
I will take a peak at your tune when I get some free time man
Cool ! Much appreciated ! Thank you 👍
Old 03-25-2017, 03:29 PM
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Anything new just curious
Old 03-26-2017, 01:23 AM
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Originally Posted by dmaxs10
anything new just curious
well kind of.... Not really so much on the tuning end as its been cold and raining and a brake line started leaking.

But as i've been redoing my brake lines and putting my line lock and two step in, i noticed 2 things that had contact with the body of the car that could possibly be giving false knock readings, tell me what you guys think....

The screamer pipe from my wastegate was barely touching my pass side fender well

and the torque arm looks like it was contacting the body in addition to having a somewhat noisy gearset installed ( used gears that whine a bit). I'm thinking this transferred noise thru the chassis.....

I'm going to address that and see what happens with datalogging

i'm also going to buy a boost controler soon so i can bump it a pound or so as its alledgedly knocking above my current boost level

any thoughts ??????
Old 03-26-2017, 01:24 AM
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Oh and i'm going to put a stock trans mount in and get rid of the energy suspension poly one, i've read many things about poly mounts and false knock...
Old 03-26-2017, 04:27 AM
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And has been repeated many times....if your tuner cannot distinguish real detonation from false...get very very far away from them

it does seem apparent from this thread your tuner is taking no real steps to actually detect knock....again, get far away from them
Old 03-26-2017, 06:29 AM
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Originally Posted by stevieturbo
And has been repeated many times....if your tuner cannot distinguish real detonation from false...get very very far away from them

it does seem apparent from this thread your tuner is taking no real steps to actually detect knock....again, get far away from them
Duly noted


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