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ST170 without VVT

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RSman4ever
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2011/12/15 19:53:46 (permalink)
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ST170 without VVT

Hey guys
Would like to know if you went ST170 without the VVT(adlustable Vernier pulley on the exhaust cam) What do you miss out on?
 
cheers
 
 
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    TEX
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    Re:ST170 without VVT 2011/12/16 07:28:29 (permalink)
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    It will depend on the application, ie a standard ST170 focus or a retro fit into a escort, but for mine the st170 on carbs using a megajolt ignition system in my escort, there is no real control of the vvt, so its 'off' to start with and 'on' at about 1200 rpm all the way to redline. But from what I understand/been told the vvt is meant to retard slightly at high rpm. The only comment I can offer is under real high load in top gear, there is a flat spot at about 6500, its not apparent anywhere else  in other gears. You might even be able to tune out the flat spot with adjustable gears, not real sure.  The car is nice and driveable as it is though.
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    RSman4ever
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    Re:ST170 without VVT 2011/12/19 08:59:32 (permalink)
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    Yeah was talking about a retro fit(mk1), it seems that the poms tend to steer away from retaining the VVT
    I was just wondering why, Its not a path I think ill be going down but you have to research every option i guess
    believe it or not the reason I dont like them is because I dont like the look of the engine I think they are ugly(sorry)
     
    TEX love the lap of Bathurst footage, hoping to do the hillclimb early next year I cant wait, its always been a dream to drive something in anger on that track
     
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