Posted for Jim McIrvin <pilot195@rocketmail.com>:

  The IV-P I fly in south TX (temps hi 90s lately) seems to run about 185 during climbout and low altitude (between 5 and 10K) cruise.  That is with the oil door open.  Haven't been able to force the temp over 200 even with the door closed. Hope this helps.
Jim McIrvin
Lancair certified instructor 210-275-7780