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Slight engine hesitation
1997 Boxster with 2.5 and 5-spd manual, when I am fully winding out through 2nd and 3rd gears, I feel slight hesitation/ flat spot just around 6,000 rpm before hitting red line. Is this just normal or something to look for? Engine runs very smooth, new plugs/ O2 sensors/ MAF sensor, etc. and no CEL since I fixed SAI check valves over the winter.
Also I searched here and elsewhere about upgrading with a larger 1999 996 throttle body. It seems more beneficial for larger 2.7/ 3.2 motors where TB may be more of the bottleneck, but could not find much about how effective with 2.5 motor. I'm wondering if the flat spot at 6,000 rpm may improve with the larger TB, hopefully without costing low end? I usually keep the rev above 3,000 rpm so probably appreciate mid/ high-end more.
Thanks for sharing thoughts!
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1997 Boxster arctic silver/ red, XNE riveted mahogany/ leather steering wheel & 917-style wood shift knob, Ben’s short shifter, PSE, 996 TB, UDP, stereo/ center console delete, hardtop and speedster humps, daily driver rain or shine or snow!
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