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Old May 19th, 2009, 01:26 PM   #1
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what could be the problem?

over the weekend, i was in norcal visiting other v6p members. while i was there, me and matt (otsb) decided to go at it from second gear 20mph roll.

we were even through out the second gear and most part of third. then when my rpm was up to around 6000 he started to pull on me. then we ran out of road so we had to slow down.

me and matt both have same bolt ons. we are both 6mt. only thing i have that he doesn't is the apexi neo and tune.

so i was wondering is it the tune? cause my dyno graph shows a dip at high rpm.
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Also, I don't think that's the right application of "hella" lol...
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Old May 19th, 2009, 01:40 PM   #2
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All depends on when you had the tune done. Over time you will need to re-tune to get the best numbers. Most likely you don't have any problem with the engine. I hope you are using premium fuel. If you are using regular unleaded then your engine might be knocking/pinging and then your knock sensor will sense that and reduce your timing as a result.
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Old May 19th, 2009, 01:47 PM   #3
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i've been using premium fuel since i got the car brand new. also if that is the case than would it be better for me to just yank the apexi neo?
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Old May 19th, 2009, 02:02 PM   #4
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what's otb's wheel/tire size versus yours..
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Old May 19th, 2009, 02:07 PM   #5
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Yah I think it depends on when you had the tune, weight in the car, and tire size
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Old May 19th, 2009, 02:18 PM   #6
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what's otb's wheel/tire size versus yours..
was matt rolling on his 20's?!
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Old May 19th, 2009, 02:18 PM   #7
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what's otb's wheel/tire size versus yours..
That's the first thing I thought of too, but otsb has 20's, but I guess that's not much of a difference over 19's lol.
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Old May 19th, 2009, 02:18 PM   #8
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what's otb's wheel/tire size versus yours..
I had my 20's on and Chad had his 18's....
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Old May 19th, 2009, 02:25 PM   #9
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^damn,lol!
driver? idk haha
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Old May 19th, 2009, 02:28 PM   #10
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It's gotta be the neo chad, you should have pulled on me np...


LOL It's not the driver cuz we're both of the same skill
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Old May 19th, 2009, 02:43 PM   #11
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well the reason i ruled out driver is cause basically it was a roll from second. and i don't consider myself a granny shifter. lol.

matt has 20s on and i weigh more than matt. so we should be pretty even there.

but i just feel like my car loses power at high rpm when i gun it. maybe the neo is messing up my vtec?
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Old May 19th, 2009, 02:48 PM   #12
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The stock ECU is comensating for the NEO and pulling power out for it.

The only way around this is to have your stock ECU reset during tuning and tune the the virgin/unlearned ECU base maps, then just before you pull another race like this reset the ECU so it is not correcting for the NEO.
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Old May 19th, 2009, 02:56 PM   #13
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The stock ECU is comensating for the NEO and pulling power out for it.

The only way around this is to have your stock ECU reset during tuning and tune the the virgin/unlearned ECU base maps, then just before you pull another race like this reset the ECU so it is not correcting for the NEO.
that just made up my mind. i am going to yank the neo and get the blue or the fic. to retune it will cost me another 180 bux so i mind as well re tune it with something better.
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Also, I don't think that's the right application of "hella" lol...
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Old May 19th, 2009, 02:56 PM   #14
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The stock ECU is comensating for the NEO and pulling power out for it.

The only way around this is to have your stock ECU reset during tuning and tune the the virgin/unlearned ECU base maps, then just before you pull another race like this reset the ECU so it is not correcting for the NEO.
I reset my ECU every month or so, the Neo should hold the tune without an issue.
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Old May 19th, 2009, 04:01 PM   #15
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Yeah I would pull the neo. Just go with your basic bolt-ons and you should not have to worry about tune issues.
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Old May 19th, 2009, 04:53 PM   #16
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does anyone have the link to the thread that shows you how to reset the ecu properly? i remember seeing a thread with it. can't seem to find it with the search function.
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Old May 19th, 2009, 05:31 PM   #17
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does anyone have the link to the thread that shows you how to reset the ecu properly? i remember seeing a thread with it. can't seem to find it with the search function.
(I FOUND THIS ON HONDA TECH)
The following is how to reset your ECU, which all Honda technicians do prior to returning your car from the shop:

step 1: Ensure the car is at opperating tempreature (i.e., take it for a drive or let it idle for a 15 mintues).

step 2: Take the fuse for the ecu out -- on my s2000 its labeled "Backup" but do research on yours because it could be different -- wait 15 minutes.

step 3: Put the fuse back in.

step 4: turn the car on. DO NOT TOUCH ANYTHING. GIVE IT NO GAS. let the car idle for roughly 15 minutes, or until the car is idling smooth at lower rpm's.

step 5: Turn the ignition off. ONCE AGAIN, DO NOT TOUCH ANYTHING OTHER THAN THE KEY. Immediately turn the ignition back on after you have gone to full off. this will store the new settings your ecu has made.

These steps will properly reset your ecu. After they are accomplished go do whatever, the new settings have been stored.
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Old May 19th, 2009, 05:35 PM   #18
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I thought there was a 15 amp ECU fuse that could be pulled so you wouldn't have to do the whole radio code thing....
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Old May 19th, 2009, 07:34 PM   #19
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If you get a scan tool (my Actron CP9180 does this) you can do a code reset, even if no codes are present and it also resets the ECU.
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Old May 19th, 2009, 08:25 PM   #20
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I thought pulling the positive terminal to the battery for a 5 or 10 mins also resets the ECU?
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Old May 19th, 2009, 08:38 PM   #21
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^It does, and it will do it faster if you touch the positive terminal to the negative to discharge any stored power, but do not do this if you have a audio cap, it will arc hard, also a good audio cap can keep the power to the ECU for hours.
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Old May 19th, 2009, 09:09 PM   #22
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DO either one of you have a heavy ass sound system?
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Old May 19th, 2009, 09:12 PM   #23
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nope neither of us have heavy sound system.
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Old May 19th, 2009, 09:27 PM   #24
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nope neither of us have heavy sound system.
Lose weight. =] Jk. Im just being a smartass
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Old May 19th, 2009, 09:30 PM   #25
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Ok so let me get this clear since I plan on tuning my car with the vafc2 our ecu's will start to de-tune the tune that we get with this piggyback so once everyweek we should just take the positive terminal off or negative? With doing so will this put the settings back to what we were tuned with? Thanks for the help since I will be getting my car tuned shortly I just want to be sure, I appreciate it fellas hopefully the gurus can chime in.
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Old May 19th, 2009, 10:08 PM   #26
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Lose weight. =] Jk. Im just being a smartass
i really need to.


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Ok so let me get this clear since I plan on tuning my car with the vafc2 our ecu's will start to de-tune the tune that we get with this piggyback so once everyweek we should just take the positive terminal off or negative? With doing so will this put the settings back to what we were tuned with? Thanks for the help since I will be getting my car tuned shortly I just want to be sure, I appreciate it fellas hopefully the gurus can chime in.
if you haven't bought it already then i would suggest something else. like the emanage blue or the fic.
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Also, I don't think that's the right application of "hella" lol...
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Old May 19th, 2009, 11:16 PM   #27
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Exhaust?
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Old May 19th, 2009, 11:21 PM   #28
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well he has 2.5 inch piping and i have 2.25.
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Old May 19th, 2009, 11:48 PM   #29
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i really need to.




if you haven't bought it already then i would suggest something else. like the emanage blue or the fic.
Well yea i did buy it cause i got it for a good price. But all that i would have to do like once a week or so would be to remove the negative terminal so that our ecu wont de-tune our car? Thanks
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Old May 20th, 2009, 07:40 AM   #30
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But all that I would have to do like once a week or so would be to remove the negative terminal so that our ecu wont de-tune our car?

It's probably more like once a month but yes....
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