Lot of people forget that the kv6 from 2002 onwards has issues with the piper cams more than 270 degrees, and bear in mind the 190 cam is about 265 degrees it's not worth the hassle unless your going for the 285 cams.
The 285 will grind and deposit swarf and metal into the engine and if your lucky not destroy itself. Lobs strike around outside cylinder. I've warned 3 people now who didn't listen and have all had destroyed v6s.
A 270 cam, remap, all the gubbins will likely see you knocking on 202 to 205bhp and a empty bank balance. If you have change outta £1500 your doing well.
Be as well doing a 190, keep it healthy, exhaust system, intake air system and a remap. Anymore on a kv6 is a total waste.
Anyone says more is lying or has been lied to on the rolling road, especially if it's an oem zt manifold over the zs Janspeed one.
You just won't see power increases worth spending on a 190 02 onwards engine.
Oh and if you want the 285 cam your gonna need to change from hydrolic lifters to solids.
More money.
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