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where to begin tuning the 2.4 for boost

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Old Jul 25, 2007 | 12:29 PM
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From: west virginia
where to begin tuning the 2.4 for boost

ok well ive began making up a kit for the 2.4 for a custom turbo setup...and i have an idea of most of the parts i will be using....the major question here that will determine wether or not i go on with this project is the tuning....i dont know much about tuning...so where the hell do i begin?....im not saying please tell me exactly how to do it...im just trying to figure what to to do and where to begin.....lets make this an informative thread that will hopefully help alot of people out...including myself
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Old Jul 25, 2007 | 12:43 PM
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well most people will say HPTuners
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Old Jul 25, 2007 | 12:47 PM
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From: west virginia
Originally Posted by umrdyldo
well most people will say HPTuners
lol i know that...im saying where do i begin on hptuners....i know there are people out there who kno wplenty on this topic....please contribute some information and help a fellow ccss.net brotha out
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Old Jul 25, 2007 | 12:57 PM
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From: Still fixing others mistakes.
there is a huge section on the hpt forums. how to's, and a bunch of write ups on ways to "tune" your car
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Old Jul 25, 2007 | 01:33 PM
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talk to Witt on here, he's already done this.
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Old Jul 25, 2007 | 01:57 PM
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i have...he gave me a few pointers that im following up on but i still want to learn more about tuning for boost...like the basics...where to begin and stuff like that

i was reading and i saw a couple of things....would i have to fake a 2bar map?...i saw that somewhere but i cant remeber where

Last edited by mike25; Jul 25, 2007 at 01:57 PM. Reason: Automerged Doublepost
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Old Jul 25, 2007 | 08:40 PM
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ok well my plans are to push about 350hp roughly out of this turbo setup....so i begin with dynamic airflow...what does disabling this accomplish?.....then i move on to the injectors....which im feeling maybe 42lb injectors or something of the sort....the wideband i already know about....and what does disabling torque management accomplish?
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Old Jul 25, 2007 | 11:10 PM
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I think you would start in the PE tables and then the MAF tables. You have noway to tune in the VE as of now.
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Old Jul 25, 2007 | 11:20 PM
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From: west virginia
would i benefit to shut the ve tables off and force the comp. to use maf/map?

i havent bought hptuners yet...im just trying to decide wether or not to buy hptuners or find someone with it to tune my car for boost....if it is easy enough i will just buy the hptuners myself and do the tuning myself....just trying to get an idea of what im getting into before i actually get into it

Last edited by mike25; Jul 25, 2007 at 11:20 PM. Reason: Automerged Doublepost
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Old Jul 25, 2007 | 11:27 PM
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Originally Posted by mike25
would i benefit to shut the ve tables off and force the comp. to use maf/map?

i havent bought hptuners yet...im just trying to decide wether or not to buy hptuners or find someone with it to tune my car for boost....if it is easy enough i will just buy the hptuners myself and do the tuning myself....just trying to get an idea of what im getting into before i actually get into it
From what I gathers from what Witt told me "set dynamic airflow to trust only MAF, that way it operates similar to an LSJ and would only use VE in case of MAF failure." Now how thats done is beyond me, I think you have to set the MAf value to a low value so that is never turns on.
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Old Jul 26, 2007 | 12:47 AM
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From: west virginia
are you yourself planning on boosting you ion?j/c.....as to what witt said...thats what ive been told before so it must work...it would be nice if i could find something that would take this more in depth(shutting off VE)
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Old Jul 26, 2007 | 01:02 AM
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Originally Posted by mike25
i have...he gave me a few pointers that im following up on but i still want to learn more about tuning for boost...like the basics...where to begin and stuff like that

i was reading and i saw a couple of things....would i have to fake a 2bar map?...i saw that somewhere but i cant remeber where
You wouldn't be able to fake a 2 bar because your comptuer is MAF based meaning it doesn't calculate fuel maps according to manifold pressure like a MAP based computer system would. You calculate fuel tables according to the amount of air that is being drawn into the engine or should I say pass the wire on the MAF. According to the temperature of the wire, it will send upwards of 5 volts to the computer to express how much air is coming through.

If you had a J-body for example that is MAP based (Alpha-N), then this would be something you would attempt to do.
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Old Jul 26, 2007 | 08:24 PM
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From: west virginia
Originally Posted by NJHK
You wouldn't be able to fake a 2 bar because your comptuer is MAF based meaning it doesn't calculate fuel maps according to manifold pressure like a MAP based computer system would. You calculate fuel tables according to the amount of air that is being drawn into the engine or should I say pass the wire on the MAF. According to the temperature of the wire, it will send upwards of 5 volts to the computer to express how much air is coming through.

If you had a J-body for example that is MAP based (Alpha-N), then this would be something you would attempt to do.
ok well that makes sense then.....what would forcing the comp. to run off of the maf instead of off the ve tables?
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Old Jul 26, 2007 | 09:11 PM
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Originally Posted by mike25
ok well that makes sense then.....what would forcing the comp. to run off of the maf instead of off the ve tables?
Is that what was suggested? Just asking.
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Old Jul 26, 2007 | 10:05 PM
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From: west virginia
Originally Posted by NJHK
Is that what was suggested? Just asking.
yea thst what i was suggested to do...but i dunno if thtat would work
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Old Jul 26, 2007 | 10:36 PM
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I want to make a comment but I honestly can't because I've never used HP Tuners.
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