I just put a new mugen thermostat, mugen fan switch, c&r dual core radiator...and the car still overheats, radiator has been bleed properly, sometimes the temp goes down at 100% throttle...any help would be appreciated

 

Coolant temp sensor may be bad?

 

What about your water pump???

 

or your head gasket is about to go bad.. same thing happened to me.. my ls is gone.. but it may be the termostat , sensor or gasket about to go..

 

Run the car with no Thermostat

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Lan &raquo;</TD></TR><TR><TD CLASS="quote">Run the car with no Thermostat </TD></TR></TABLE>
lol already did, right not it's runnin 3-5 bars before the middle of the temp gauge...

 

Are you losing coolant?

 

nope

 

Typically, with a headgasket issue, you will be missing a little coolant after a while and it will just leak if the waterpump dies. If you have access to another gauge cluster, give that a shot. It could be faulty wiring, but I really don't think so.

 

well i found a leak on this hose that's connect on the head near the vtec solenoid, it's a 1/2 inch hose that goes to the back near the fire wall that's connected to this plastic thingy...

 

what are signs of water pump going out????