Cylinder Head Temperatures Home › Forums › Maintaining Your Safari › Cylinder Head Temperatures This topic has 1 reply, 1 voice, and was last updated 7 years, 5 months ago by Bill Johnson. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts November 16, 2016 at 7:42 pm #2531 Bill JohnsonParticipant What CHTs are you guys seeing? Seems like mine are awfully hot. Typically 425 -450 now that I am running a cooler plug and retarded the timeing on my EMags. Before that #3 would be around 475 and the others a little cooler. November 17, 2016 at 5:09 pm #2532 Bill JohnsonParticipant I have the old style intake manifold, MGL avionics data logging, no modifications to the cooling metal from the factory Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In