Quote:
Originally Posted by Dave ZS-X
who says the 190 has different cams .
I have the orginal mgr release brochure and it listed engine spec differences as better induction ,free'er flowing manifolds and exhaust and different map in the ecu .The zt only made 187 bhp ,a zs makes that with just induction and exhaust so what were the zt cams doing if it had different ones ........absolutely squat diddly is what,lol .
Throttle bodies are exactly the same.
Dave
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The cams might not be 'racing cams' as such with bigger lift and longer duration, but with possibly a shorter overlap to help with low - rpm power?