Mivec Owners Group

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PostPosted: 16 Aug 2013 15:25 
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Joined: 05 Sep 2012 04:04
Posts: 103
Country: England
It's an animal! Lol

Plenty videos on YouTube if you search for Cyborg R 1.8

I love the sound of it and the throttle response is instant

Running on 390cc injectors don't need any bigger


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PostPosted: 17 Aug 2013 12:25 
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Mivec Guru

Joined: 04 Jul 2005 13:25
Posts: 1209
Location: Lower Hutt
Country: NZ
Dyno sheet? or it didn't happen.

lol.

No I didn't say it's pointless, I said it's pointless if the ram tubes aren't long enough, there's not enough space to make them the ideal length.The losses at low RPMs won't make up for the gains up top.

Steve

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6G72 mivec Twin TDO5 20Gs up and running.
6G72 mivec bored and stroked to 3.4 litres...Frankenmitsi build
6G74 mivec bored and stroked to 3.9 litres....Frankenmitsi build.
6G75 under construction....4.2 litres bored and stroked.Another Frankenmitsi.


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PostPosted: 17 Aug 2013 15:44 
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Joined: 05 Sep 2012 04:04
Posts: 103
Country: England
It hasn't lost anything down low lol

Its gained across the full margin. Throttle response is a lot better than stock.

Will try get pics up of old sheet and new later but having difficulty getting pics to work on here. :/ keeps saying too many pixels :/

Will just link it to my photobucket if the above pics are working.

Main thing is the trumpet sizes, there ideal size for torque etc all across the board. Any bigger I'd sacrifice low end and be more mid range/top end

But atm its hard to get a decent pull off without either spinning the wheels or kangarooing as it has a harsh clutch so needs some revs to launch. So having my launch control turned on once I've finished next engine.

Wanted to make sure I could get ITB's running perfectly now I can get the high comp pistons and cams on the go


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PostPosted: 20 Nov 2013 14:26 
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Joined: 05 Oct 2008 14:31
Posts: 41
Location: Brisbane
Country: australia
Hi, Just interested in know where you got the it's from???. NIce car by the way keep up the good work?


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PostPosted: 22 Nov 2013 14:27 
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Joined: 05 Sep 2012 04:04
Posts: 103
Country: England
Cheers mate. They were originally made by a company called Harry hockley motorsport for a proton rally car. They don't make them anymore I believe but may make you some if you ask


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PostPosted: 27 Nov 2013 00:43 
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Joined: 05 Oct 2008 14:31
Posts: 41
Location: Brisbane
Country: australia
Yeah i have asked them, but they said they don't do them. Thanks


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PostPosted: 27 Nov 2013 06:36 
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Joined: 05 May 2010 10:46
Posts: 327
Country: UK
scotch_kris wrote:
Cheers mate. They were originally made by a company called Harry hockley motorsport for a proton rally car. They don't make them anymore I believe but may make you some if you ask


Hockleys built the works GpA and S1600 Protons but they have farmed the engine work out to a few different people over time.

John Beattie at RED did some and Bill Faulkner - might be worth trying them


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PostPosted: 29 Nov 2013 14:07 
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Joined: 05 Sep 2012 04:04
Posts: 103
Country: England
Also you don't have to stick to gen1 ITB's (that's if you are gen1). As my ITB's are actually for a gen2 but there exactly the same inlets so bolts on no problem


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PostPosted: 29 Nov 2013 14:08 
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Joined: 05 Sep 2012 04:04
Posts: 103
Country: England
Also Jenvey make them for the proton satria gti so you can also use them


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