Originally Posted by Arjan
are you still running MFI?
you should be able to get to 6500 with this bore x stroke ratio
Yups, stil on mfi.....
well the engine won't go any higher than 5900.... as most ZVH's struggle to go past 6000 rpm.....
Just thought the 1600 head on a 2000 block would be the cause.
Not enough air flow for the bigger block at higher revvs...