LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

9 degrees of knock from t56, need to disable the knck sensor for a while

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Old Apr 22, 2003 | 10:22 AM
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9 degrees of knock from t56, need to disable the knck sensor for a while

i have scaned my car and i am getting 9 dgrees of knock at 2200 to 2450 rpms. the tranny is noisey, i mean real noisey. i get zero knock at 5500 and only .3 at 6200 rpms. i only get the knock on the datamaster when the tranny starts making the loud noise. it needs the bearings and syncros. and i can get it rebuilt for 500, that parts also.

so now my question is how can i disable the knock sensor for a while without throwing a code without and reprogram isnt there a resistor you can put in if there is can someone give me a link or tell me how.

i search but didnt come up with anyhting.

thanks
Old Apr 22, 2003 | 11:40 AM
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ttt for lunch crowd

i would like to get this bypassed of something today.
Old Apr 22, 2003 | 12:10 PM
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Wouldn't an LT4 knock module help for that? Where can you get your t56 rebuilt for so cheap?
Old Apr 22, 2003 | 12:15 PM
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You can disable it with Tunercat or LT1 Edit if you have either one of those. You can also use a resistor or something but I don't know how to do it.
Old Apr 22, 2003 | 12:17 PM
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i have a fried who works for dodge and has been to school on the vipers. and can rebuild a t56 with his eyes closed and can get parts for me to at cost. but the job will be done on the side. hes only charging me 100 bucks for the labor. and ill probably through in a steak dinner.

i have a lt4 km. sorry if its not in the sig.
Old Apr 22, 2003 | 12:39 PM
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like said above you can program it out completely with tunercat or LT1 edit.
Old Apr 22, 2003 | 12:43 PM
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yes i know but im looking for the link that shows you how to do it with a resistor. i dont have tunercat yet. i need a temporary fix till i get time to pull the tranny.
Old Apr 23, 2003 | 01:26 PM
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last TTT
Old Apr 23, 2003 | 02:14 PM
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Hey Vince,
drop me a line, I can send you an updated tune you can upload yourself if you have a cable...
Old Apr 23, 2003 | 02:17 PM
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Oh, also, here's two links to do it the resistor way if you decide you'd rather do it like that.

http://www.charm.net/~mchaney/knock.gif
http://www.geocities.com/MotorCity/6647/ta93/knock.htm
Old Apr 23, 2003 | 02:41 PM
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madwolf thanks for the links. i just want to do this to just get by. i will soon have the tranny rebuilt and that should solve my problem.

what does a the update tune cost and what does it consist of.
Old Apr 23, 2003 | 02:44 PM
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It won't cost you anything. I thought you just needed the knock retard removed?

I can also look through your old program and see if I can improve it in any way. Did you do any modifications since last time?
Old Apr 23, 2003 | 02:56 PM
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no i havent changed anyhting yet, and im in the prosess of getting married so it may be middle of summer before i do anyhting else.
Old Apr 23, 2003 | 03:04 PM
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so if i want to completly not use the knock sensor i would need to put a 3900 ohm resistor in the R1 position. is that right or am i reading it wrong.
Old Apr 23, 2003 | 07:23 PM
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Originally posted by 97Z-M6
no i havent changed anyhting yet, and im in the prosess of getting married so it may be middle of summer before i do anyhting else.
Like I said, there wouldn't be a charge for reprogramming. I'm just trying to help, that's all.
If you want it reprogrammed, just email me with exactly what you need and I'll send you the files to upload it yourself.



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