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Vtec engagement variance

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Old 03-12-2013, 11:21 PM
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Default Vtec engagement variance

what up guys?

I just put the Honda back on the road (PA winters blow bag), it's a 94 ex coupe. I put about 40 good, easy miles on her before I opened her up... Vtec seems to hit before 4k. Before she sat for a while it was around 4500 or so. Only reason that I know is because I was bored on house arrest and wired up an LED to show engagement... any thoughts?
Old 03-12-2013, 11:23 PM
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Default Re: Vtec engagement variance

Also, it has been maintained meticulously and started at least once a week and allowed to reach normal operating temp. Stabil in the fuel, the whole 9. Once filled up I added some Lucas stabilizer to the tank... no clue why it would vary. Any help appreciated.
Old 03-13-2013, 03:16 AM
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Default Re: Vtec engagement variance

Because those tachs are not accurate.
Old 03-13-2013, 04:46 AM
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Default Re: Vtec engagement variance

stock tach is usually off 200-300 rpms.
Old 03-13-2013, 09:58 AM
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Default Re: Vtec engagement variance

Thanks for the replies everybody... A few other thoughts that I've come up with.

When I bought the car, timing was advanced... put it on a light and got it back to 16 degrees. also installed a 68mm tb last summer (was a gift). would either one of these effect engagement? When the tach is around 4-5 it sounds like it is screammmming.
Old 03-13-2013, 12:29 PM
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Default Re: Vtec engagement variance

Dude. As long as it engages it is okay.
Old 03-13-2013, 11:45 PM
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Default Re: Vtec engagement variance

player, my point is... oil level is the same, nothing changed but putting timing back to stock and the throttle body... it engages fine but sounds like a risk if I take it past 5k... Used to wind out to 7 with no issues, not saying it won't but I'm paranoid as ****. That's about it I guess.

Appreciate the input gentlemen, this site is the ****.
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