TwinTurbo.NET: Nissan 300ZX forum - I think it was a 160mph that he posted
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Subject I think it was a 160mph that he posted
     
Posted by Broke_as_**** on November 25, 2007 at 6:01 AM
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In Reply To There was a guy here with a TT and Leader gears who posted by robo (sebring1970) on November 25, 2007 at 01:31 AM
     
Message Which works out to around 6700 rpm. One thing I don't think anyone has really looked into is whether or not the stock tach is 100% accurate. First time I went to the dyno I lifted at 6500 because the tach said 7000. Checked it on my datascan and SAFCII and sure enough, it's about 100 rpm off at idle and it gets progressively worse as the rpm increases. There was a post about HKS moving the MAF on one of their cars and the linked article seemed to indicate the same problem:

"The PFC raises the factory fuel cut point from an indicated 7,200 rpm (which HKS found to be a true 6,500) and the rev limit."
     
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