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very little bottom-end after tune ???

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Old 06-01-2010, 06:44 AM
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Originally Posted by silverado2000
it is turned off in the tune so it should not be changing anything.
turning it off in the tune is not fixing it. Also you would be amazed at hoe much timing will be lost due to bad knock sensors. You can't tune out faulty sensors and make it run correctly. The sensors are there for a reason.
Old 06-01-2010, 12:10 PM
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well thats why im asking yall on this forum cause i dont know anything about tuning my truck all i can do is listen to my tuner and hope hes not bs'ing me.
so im gonna replace all the sensors like maf, knock should i get oem sensors or aftermarket ones?
thanks for all the help
Old 06-01-2010, 12:49 PM
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Originally Posted by silverado2000
nelson is the tuner. everyone says hes the best but he cant tell me whats going on with my truck?
allen is in the business of tuning. not trouble shooting setups that he didnt build. the best he can do is tune what you bring to him and hope you did your end of the work. is your truck throwing any codes? have you checked plugs/wires and coils?
Old 06-01-2010, 02:07 PM
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I would get OEM sensors. Never had any luck with parts house aftermarket ones.
Old 06-01-2010, 08:59 PM
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nope no codes and all the wires are newer, im going to trade my friend coils soon and see if thats the problem.
Old 06-01-2010, 09:39 PM
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sub'd to hear this outcome...
Old 06-01-2010, 11:48 PM
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Random thought - is your cam installed correctly and not retarded-advanced?
Old 06-02-2010, 12:10 AM
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as far as i know the cams correct the motor was built by a shop not me.

but now that i think of it i have heard of people having no low-end but still running fine with a misplaced cam, and shops do make mistakes. but before i rip into the motor im meeting with another tuner tomorrow for a second opinion on whats going on with my truck. maby he will see something the other people missed .
Old 06-02-2010, 12:21 AM
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Old 06-02-2010, 09:52 AM
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Originally Posted by silverado2000
as far as i know the cams correct the motor was built by a shop not me.

but now that i think of it i have heard of people having no low-end but still running fine with a misplaced cam, and shops do make mistakes. but before i rip into the motor im meeting with another tuner tomorrow for a second opinion on whats going on with my truck. maby he will see something the other people missed .
wasted time/money spending time with another tuner. allen is a good tuner. if it is possible to fix it in the tune, he would have got it done. especially a live tune.


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