Datalogging

Codeman · October 29th, 2009, 10:41 PM

Ok so I have been doing thinking on datalogging versus dyno tuning. Ok so here is what I kind of think correct me if I am wrong. Is it true that you can get as accurate of results with datalogging if you do it with an wideband a/f while you datalog as when compared to dyno tuned. It seems like datalogging would be more accurate, because you are driving so you will get the airflow like you would when your actually getting your power, so your readings will be more accurate. Is that correct? I mean if you properly datalog. Cuz think of it if you are strapped to a dyno you don't have the same airflow as you would if you were accelerating down the road so that won't be as accurate of a reading.

HMUSN · October 29th, 2009, 10:43 PM

a data log will give you safer numbers because you are in fact on the road.

a dyno tune will give you larger numbers though.

Codeman · October 29th, 2009, 10:47 PM

ok, well how does that work? I mean i know dyno tuning you will get to see what power you are making. Is the dyno tune larger number, because they have the dyno sheet to adjust for the curve? And as far as say I do not have access to a dyno would datalogging work well for just h/c/i? As long as I have a wideband a/f in my datalogging.

JTs03v6 · October 29th, 2009, 11:21 PM

On a na setup a decent tuner can usualy get by without a wideband hooked up and make the proper adjustments off of the 02's.

v606er · October 29th, 2009, 11:30 PM

I have an xcal 3 and an HP laptop, what else do I need for datalogging?

itschristorres8 · October 29th, 2009, 11:33 PM

in real life the best tune is a done in a car on a laptop with an accurate a/f gauge and other gauge or acc.
Your cars load is different from the track to the dyno

Trick Tuners · October 30th, 2009, 12:28 PM

Information on email tunes and the free retunes - Trick Tuners Forums

Codeman · October 30th, 2009, 03:04 PM

in real life the best tune is a done in a car on a laptop with an accurate a/f gauge and other gauge or acc.
Your cars load is different from the track to the dyno

that is kind of what I thought cuz it is real then.
Ok so I could tune using datalogging for h/c/i.

slvr2000stang · October 30th, 2009, 07:43 PM

Originally Posted by JTs03v6

On a na setup a decent tuner can usualy get by without a wideband hooked up and make the proper adjustments off of the 02's.

I have not & would not. Always use a wideband.

9986paulk · October 30th, 2009, 11:27 PM

Yea that's what I'm going to do when i get my cam done. It'll actually be close to the cost of a dyno tune, though, unless I find a good deal or used wideband.

ESG-642T · October 31st, 2009, 01:26 AM

Joe@tricktuners can write you a tune for a cam....

He wrote one for my stupid, didn't want to drive around town, cam.... And well the car ran good besides the fact that the cam shouldn't have been in my car.

Anything past that and you really need wideband data period, even when people go and do datalogging the cars usually have wide band's hooked up.

Codeman · October 31st, 2009, 01:53 PM

ok well i will maybe just get a mail order tune for now since i just got a bolt on basic car, until i get a wideband and some h/c/i

October 29th, 2009, 10:41 PM	#1
Codeman Regular Join Date: Nov 2007 Location: North Dakota Posts: 420	Datalogging Ok so I have been doing thinking on datalogging versus dyno tuning. Ok so here is what I kind of think correct me if I am wrong. Is it true that you can get as accurate of results with datalogging if you do it with an wideband a/f while you datalog as when compared to dyno tuned. It seems like datalogging would be more accurate, because you are driving so you will get the airflow like you would when your actually getting your power, so your readings will be more accurate. Is that correct? I mean if you properly datalog. Cuz think of it if you are strapped to a dyno you don't have the same airflow as you would if you were accelerating down the road so that won't be as accurate of a reading. __________________ UDP, CAI, True Duals, Sct Xcal III Visit this automotive blog http://tooldesk.com/blog/

October 29th, 2009, 10:47 PM	#3
Codeman Regular Join Date: Nov 2007 Location: North Dakota Posts: 420	ok, well how does that work? I mean i know dyno tuning you will get to see what power you are making. Is the dyno tune larger number, because they have the dyno sheet to adjust for the curve? And as far as say I do not have access to a dyno would datalogging work well for just h/c/i? As long as I have a wideband a/f in my datalogging. __________________ UDP, CAI, True Duals, Sct Xcal III Visit this automotive blog http://tooldesk.com/blog/

October 29th, 2009, 11:21 PM	#4
JTs03v6 Regular Join Date: Sep 2009 Posts: 94	On a na setup a decent tuner can usualy get by without a wideband hooked up and make the proper adjustments off of the 02's. __________________ 03 3.8 procharger d1sc 318/326to 5000rpm 8.41@87.3mph in 1/8th (needs a pi 3500 stall)

October 29th, 2009, 11:30 PM	#5
v606er Hardcore Enthusiast 69 Join Date: Apr 2008 Location: richmond/deltaville, va Posts: 2,843	I have an xcal 3 and an HP laptop, what else do I need for datalogging? __________________ steeda UDP, steeda CAI, xcal3 w/ 93oct tune, 3.73's, tlok magnaflow exhaust is in, dunno when it will be installed. The unexamined life is not worth living.

October 29th, 2009, 11:33 PM	#6
itschristorres8 V-SICKS 00 V6 & 09 GT 13.37@104.4mph--BONE stock GT Join Date: Aug 2006 Location: south florida Posts: 15,657	in real life the best tune is a done in a car on a laptop with an accurate a/f gauge and other gauge or acc. Your cars load is different from the track to the dyno __________________ The Devil & The Daily Daily-13.37@104.4mph V6- Stock bottom-439rwhp & 402rwtq 12psi 100oct built motor-497rwhp & 508rwtq 15psi pump

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October 29th, 2009, 10:43 PM	#2
HMUSN Doc Join Date: Nov 2006 Posts: 29,479	a data log will give you safer numbers because you are in fact on the road. a dyno tune will give you larger numbers though.

October 30th, 2009, 12:28 PM	#7
Trick Tuners Hardcore Enthusiast KB'd GT Join Date: Nov 2006 Location: San Diego Posts: 2,436	Information on email tunes and the free retunes - Trick Tuners Forums __________________ SCT Tuning, JLT intakes, Aeroforce OBDII gauges and PLX wideband products @ Trick Tuners My forums Xcal3 SF with preloaded tunes and free custom tunes for life for $379 shipped. Custom tunes based on actual data is extra.

October 30th, 2009, 11:27 PM	#10
9986paulk Regular 1999 Mustang V6 Join Date: Dec 2008 Location: Youngstown Posts: 165	Yea that's what I'm going to do when i get my cam done. It'll actually be close to the cost of a dyno tune, though, unless I find a good deal or used wideband.

October 31st, 2009, 01:26 AM	#11
ESG-642T v6 Mustang GOD 2k2 Mustang V6 Join Date: Feb 2007 Location: TEXAS Posts: 6,800	Joe@tricktuners can write you a tune for a cam.... He wrote one for my stupid, didn't want to drive around town, cam.... And well the car ran good besides the fact that the cam shouldn't have been in my car. Anything past that and you really need wideband data period, even when people go and do datalogging the cars usually have wide band's hooked up. __________________

October 31st, 2009, 01:53 PM	#12
Codeman Regular Join Date: Nov 2007 Location: North Dakota Posts: 420	ok well i will maybe just get a mail order tune for now since i just got a bolt on basic car, until i get a wideband and some h/c/i __________________ UDP, CAI, True Duals, Sct Xcal III Visit this automotive blog http://tooldesk.com/blog/

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