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Old 02-10-2004, 11:24 PM
doug294 doug294 is offline
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How early can vtec kick in?
I have a Y8 head and will be doing the mini me swap and using a VAFC. How early can you make vtec kick in?
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Old 02-10-2004, 11:31 PM
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Re: How early can vtec kick in?
i heard if vtec kicks in before 3500 it falls on its face.
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Old 02-10-2004, 11:45 PM
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Re: How early can vtec kick in?
Quote:
Originally Posted by doug294
I have a Y8 head and will be doing the mini me swap and using a VAFC. How early can you make vtec kick in?
no point in making it early with stock camshaft. just put it to stock specs.
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Old 02-10-2004, 11:48 PM
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Re: How early can vtec kick in?
Dont you loose low end torque doing that?
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Old 02-11-2004, 07:22 AM
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Leave it right where it is... Honda has years into designing and testing these motors, no need to change the variables, esp. on single cam motor.
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Old 02-11-2004, 08:59 AM
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Re: How early can vtec kick in?
i am building a turbo setup and i will set my VTEC at 3,000 rpm or so, as early as possible. :P
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Old 02-11-2004, 09:22 AM
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Re: How early can vtec kick in?
What is it with these stupid questions? There is no point in changing the engagement unless you change cams. The engine will simply run like shit compared to how it would run using Honda's engagement point.
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Old 02-11-2004, 09:55 AM
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Re: How early can vtec kick in?
for shizzle
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Old 02-11-2004, 11:05 AM
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Re: How early can vtec kick in?
im sure honda didnt put it in its place for simply performance reasons im sure they included performance and economic reasoning when they set it

what would be the point of a vtec controller if it was in the best spot? sure on a basically stock motor its pretty much fine but if you get it TUNED right you can pick up a few more ponies
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Old 02-11-2004, 11:37 AM
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Re: How early can vtec kick in?
I'm not using a stock cam. I am going to be using a Crower turbo cam. I will be going turbo so I was wondering how early it could kick in to help "make up" for the lag.
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Old 02-11-2004, 12:05 PM
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Re: Re: How early can vtec kick in?
Quote:
Originally Posted by civicHBsi91
what would be the point of a vtec controller if it was in the best spot?
Because some people will buy anything if you tell them it makes their car faster
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Old 02-11-2004, 12:08 PM
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Re: How early can vtec kick in?
there's no real way to tell without a dyno if any gains are achieved. It is true that VTEC was implemented (in SOHC cases) as simply an economy feature in lower rpms and a way to extract a little more power out of an old platform.

Unless you have cams or forced induction, stock or right there around is usually fine.
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Old 02-11-2004, 05:03 PM
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Re: How early can vtec kick in?
Yup i also really hope you have a turbo cause you wouldn't be the first to put turbo cams in a N/A cause there faster being turbo. sadly i've seen it.
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Old 02-11-2004, 11:23 PM
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it u going to set it real low your going to need a Fuel rail.
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Old 02-11-2004, 11:48 PM
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Re: How early can vtec kick in?
Why's that?
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