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Old 06-27-2019, 03:54 PM   #8
Boxstard
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Join Date: Apr 2016
Location: SE Michigan
Posts: 497
Yes I definitely feel less power with AC on, especially initial launch. Also during shift change with clutch in, rpm drops noticeably quicker. The AC effect lessened after installing underdrive pulley as expected, but still noticeable to me.

Also unlike other cars, my AC compressor clutch does not cycle on and off even the set temp is achieved, once I turn AC on it compressor is always on. I wish it cycles and also disengages at WOT so it does not drag the engine all the time less turned off. Or maybe something is not normal with my system? AC works great, takes little time to chill small cabin.
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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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