Subject	Question about HP flatspot between 4500-6500rpm for ZTTs -->
Posted by	Z-Jay (Canada) on April 19, 2001 at 10:02 AM
	This message has been viewed 13 times.
Message	I noticed yesterday when Qqqqqqqman posted his dyno results, the horsepower curve was relatively flat between 4500-6500 rpm. Thinking that was weird, I checked some old posts on ttzd.com, the dyno days etc., and sure enough its a characteristic of ALL ZTTs. My question is WHY? Why does the curve flatten out so early rather than continue to climb up to >6500rpm? Honestly, I've FELT that flatspot, in both my own Stage 3+ TT and in many others' Zs. I often thought there was something wrong with my engine or turbos, but apparently not based on everyone's dyno charts. Any insight? Thanks. Z-Jay (formerly TTZJay) 93 300ZX TT - Stage IV 01 Sentra SE - daily driver
Follow Ups	Question about HP flatspot between 4500-6500rpm for ZTTs --> - Z-Jay (Canada) 10:02:18 04/19/01 I suppose you're limited to how much air the turbo can flow> - qqqqqqqman 10:21:36 04/19/01 It starts going flat, when the boost reaches peak... - Bernie 10:40:50 04/19/01 Ok, but shouldn't the engine itself still be making more --> - Z-Jay (Canada) 10:53:24 04/19/01 Re: Ok, but shouldn't the engine itself still be making more - Jeff(SC) 12:00:45 04/19/01 great idea!! - snave 15:33:54 04/19/01 Re: It starts going flat, when the boost reaches peak... - Chuck S. 19:21:52 04/19/01
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