Clutch reduced to £250 as need of resurface for which I have been quoted £45+postage
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Show posts MenuQuote from: boosted;881825Cool..wait a day before big celebration. Fingers crossed not a leak.
Quote from: boosted;881768Itll have valves in there and now youve discharged the gas the pressure switch will not be made so aircon will not engage. I wouldnt do any more airline blowing. Connect it back up and regass it.
Quote from: Casey;881284I wouldn\'t worry. My experience with RX-8 coolant temps is as follows;
1. Hot day, stop-start in traffic, temp 95-105 (I have alarm set at 108 and it has never gone off in these conditions as the fans will cope).
2. Steady driving, temp 80-95, depending on ambient and traffic conditions.
3. Trackday, 15 mins, boiling hot day (28-30 ambient), towards the end of the day, after about 7 track sessions, the alarm will go off occasionally at 108. Just ease off throttle for half a lap or so and then carry on. Temps drops very fast when off throttle and air flowing (plus fans running).
Most advice I\'ve received is 110-112 is the max you want to see, and that should be rare, but 105 isn\'t a problem.
The RX-8\'s two radiator fans
- START to run at LOW speed at 97 degrees
- INCREASE to MIDDLE speed at 101 degrees
- INCREASE to HIGH speed at 108 degrees
I think you can conclude that Mazda must have decided it is OK for the temps to run marginally above 108 if the fan only STARTS to run flat out at 108 to aid cooling.
Quote from: Casey;881285This might help (from the RX-8 service manual); click to enlarge pic
Quote from: clive;881282An RX-8 is designed to turn the fans on at over 100c deliberately as they found that at these temperatures the engine gives it\'s optimum power
A few years ago I too worried about this and changed the fan switch that doubles up as the temp gauge sender but this made no difference, l even took temperature readings from different parts of the cooling system with an Autometer gauge, then I did some research and found the above.
I found that the best way to keep the temperature consistent was to vent the bonnet.
Hope this helps
