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Please play nicely.  No one wants to listen/read a keyboard warriors rants....

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Author Topic: VTEC  (Read 2151 times)

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TheBoy

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Re: VTEC
« Reply #15 on: 11 March 2009, 22:05:50 »

i've got some more diag software, some of which can do 0-60 timings, will have to see if it works with my car...
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Grumpy old man

tmx

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Re: VTEC
« Reply #16 on: 11 March 2009, 22:08:34 »

ive raced my miggy with a few boy racers and the miggy is quick the manual also has a bonus of long ratio's once the v6 is over 4k its a force to be reckoned with :y Mivec is better than I-VTEC as it can be tinkered with electronically i know of a Mitsubushi Cyborg thats running 250bhp with no turbo and for a little 1.6 thats preety impressive
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Andy B

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Re: VTEC
« Reply #17 on: 11 March 2009, 22:08:50 »

Quote
.....
My MV6 Auto is 7.7s 0-60 on my dodgy timing without lauch starting it.  I have embarrassed a Type-R civic who thought he was quicker than he was ::) .....

You'll have to 'test' mine then .......  :-/  :-/  :y



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Big Sye

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Re: VTEC
« Reply #18 on: 11 March 2009, 22:16:00 »

i from experience of owning a vtec before my omega.  i had a jap import 2.2 vtec prelude  oh how i miss that car.
i found her to be reliable and powerful.

here is a pic of her.   ignore my ungly figure in the driver seat  haha    ;D ;D


« Last Edit: 11 March 2009, 22:16:50 by Big-Sye »
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Big Sye
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robbo299

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Re: VTEC
« Reply #19 on: 11 March 2009, 23:58:43 »

I agree with TB about having a high reving V-Tec. I have still got my Honda Civic Vti in my garage. Been there for over a year. Enjoyed driving it while i had it but just love my Elite more. Power and luxury :y. About the same economy on a run but my elite is around 10 mpg less around town. Loathed to get rid but S.W.M.B.O is starting to press for me to sell it. Still, it could pay for a new stainless exhaust system for my miggy and other goodies  :) But don't tell her that!
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Vamps

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Re: VTEC
« Reply #20 on: 12 March 2009, 00:02:58 »

Quote
I agree with TB about having a high reving V-Tec. I have still got my Honda Civic Vti in my garage. Been there for over a year. Enjoyed driving it while i had it but just love my Elite more. Power and luxury :y. About the same economy on a run but my elite is around 10 mpg less around town. Loathed to get rid but S.W.M.B.O is starting to press for me to sell it. Still, it could pay for a new stainless exhaust system for my miggy and other goodies  :) But don't tell her that!

Nooooo surly she would like a new washing machine or s super duper iron :y
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robbo299

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Re: VTEC
« Reply #21 on: 12 March 2009, 00:12:05 »

Nooooo Vamps! I will just sell and not let her know. She never goes into the garage anyway. She has all the latest domestic appliances to keep her happy in the kitchen etc. anyway ;D. A nice stainless exhaust and goodies will make me happy. :y
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Vamps

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Re: VTEC
« Reply #22 on: 12 March 2009, 00:19:57 »

Quote
Nooooo Vamps! I will just sell and not let her know. She never goes into the garage anyway. She has all the latest domestic appliances to keep her happy in the kitchen etc. anyway ;D. A nice stainless exhaust and goodies will make me happy. :y

Take it we have another swmbo that does not lod at oof ;D ;D ;D if mine did......well.............. :y
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Marks DTM Calib

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Re: VTEC
« Reply #23 on: 12 March 2009, 08:31:01 »

Lol, I have to laugh at the 'lowering the VTEC' point giving more power crap.....

It might give the feal of it but wont actualy deliver any, it probably actually reduces it for 500rpm!

Remember that 'VTEC' is only the addition of an extra cam lobe which is VERY lumpy (if it ran on this at idle it would be as lumpy as HELL!)

When a certain level of revs is reached, the 'lumpy' lobe is engaged by locking the rockers (yes, they use rockers!) together which means the lumpy cam takes over fromthe two standard ones.

The i in iVTEC mean it also has variable valve timing.

Nothing overly clever about and nothing very new either!

So, on the larger engines the low down torque should still be ok as you run reasonably large valves on reasonable cam lobes.

Its the small engine that suffer as they still need quite big valves to get max effect from the VTEC lobes.....this results in lower gas speeds at lower revs and poor output power.
« Last Edit: 12 March 2009, 08:31:57 by Mark »
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