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Old 12-04-2012, 08:34 PM   #3
1turbofocus
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What I Drive: 2000 ZX3 / 2002 SVT Turbocharged

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I do a good bit of Caterham work with the SVT , Zetec and Duratec engines in the Caterham , I have build and dynoed the FR Head and the Massive and my opinion is if you can get a FR Head then buy it , it works well and with the same engines built with ITB`s there wasnt enough diff for the massive head

The enging having ITB`s make better HP / TQ to the wheels then the stock intake and I was thinking the massive would make more power but it didnt

sdaddy the only way you will know 100% what the head is gaining would be if you go back with EVERYTHING stock but the port work , stock cams , compression , stock non adj cam gears etc , If your adding compression , cams , adj cam gears thats about 20+ HP gain right there so there would be no way to tell what the head (port work) is doing , interested to see how it does

Tom
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