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#1032257 - 02/12/07 03:38 PM VAFC II, where to set VTEC on race day?
aceracerff Offline
Newbie


Registered: 09/12/06
Posts: 16
Loc: Toledo, Ohio
so where should i set the vtec to kick in on autox day? just lowest possible? what else do you guys use your VAFC's for?
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#1032751 - 02/12/07 05:48 PM Re: VAFC II, where to set VTEC on race day? [Re: aceracerff]
TJ213 Offline
Major Member


Registered: 12/04/06
Posts: 1283
Loc: Pennsylvania
I'd set it as low enough so you have more power, and it doesn't kick in a corner, but high enough that you can get off the line smoothly, maybe 4k, what car do you have?
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#1032985 - 02/12/07 06:58 PM Re: VAFC II, where to set VTEC on race day? [Re: TJ213]
aceracerff Offline
Newbie


Registered: 09/12/06
Posts: 16
Loc: Toledo, Ohio
00 civic si, I race in sts.
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#1061844 - 02/17/07 09:12 PM Re: VAFC II, where to set VTEC on race day? [Re: aceracerff]
skierd Offline
Post Master Sr


Registered: 08/21/01
Posts: 9104
Loc: Fairbanks, AK
Whats the rest of your setup?

I wouldnt change anything regarding VTEC or fuel without being on a dyno to see what I'm gaining or losing and where. I'd also try to have a decent idea where I'd really like to have more power. I also have an 00 Si, and I'm finding I'd really like to drop the crossover to about 4500rpm or 5000rpm for racing. Any lower and I'd be hitting the X-over in normal driving and it would be annoying imo. Need to pick up a VAFC one of these days...


Edited by skierd (02/17/07 09:13 PM)
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#1062357 - 02/17/07 11:25 PM Re: VAFC II, where to set VTEC on race day? [Re: skierd]
aceracerff Offline
Newbie


Registered: 09/12/06
Posts: 16
Loc: Toledo, Ohio
it takes literally 5 seconds to change the crossover... so effecting normal driving isnt an issue, i can just change it to wherever after the event.. i have mine set at like 4500 for DD. keeps me driving economically lol.
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#1140820 - 03/09/07 10:21 PM Re: VAFC II, where to set VTEC on race day? [Re: aceracerff]
SamuraiSam Offline
Post Master Sr


Registered: 07/29/02
Posts: 8828
Loc: Bellingham, WA
if you have a mostly stock setting and change the crossover, you'll do nothing but lose power. you simply put the crossover at the point where your horsepower curves intersect, that's where it is from the factory.
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