2G Randomly started overheating

[spyderdrifter]

So I got to work this morning and sat there in my car for 10-15 minutes like usual just to let my oil cool down and so forth. After that I noticed my temp gauge reading way hotter than it should and my coolant was boiling in the over flow reservoir. The last time I worked on the cooling system was back in February when I put my Mishimoto radiator back in. The system was fully burped and replaced the rad cap the same day. The water pump, thermostat, and both temp sensors were replaced last summer. Since the rad swap, the cooling system hasn't had any issues and has run just fine and now this. The drive to work showed no abnormal Temps either. Any ideas out there? My only thought is maybe the water pump since it's not an oem unit, but there's NO leaks anywhere. My parts list is current except the fmic has NOT been installed yet. I know that will cause higher Temps and have planned for that once I do install it.

 

[spyderdrifter]

You saying your T28 spiked at 22psi? Will have to ask a couple friends if they are able to log my car.

 

[evoredy]

You saying your T28 spiked at 22psi? Will have to ask a couple friends if they are able to log my car.

Yes. Well tuned, stock head/block, good fuel mods, I prefer the T-28 over a 16g any day for daily driver.

After you figure your issues out, just monitor your boost levels. With your exhaust and intake mods, you may be taxing your fuel system quite a bit. Again, I'm not sure what fuel mods you have, so just be easy until you know for sure to mitigate future headgasket issues (if that is the underlying problem).

 

[spyderdrifter]

All my fuel system components are stock. Replaced the fuel filter last summer, but that's it. At random times, usually after start up, it does seem like the boost psi will rise more than desired. Such as I'll raise to 8psi, then the turbo spins itself faster and rises to 12psi. Is that what you had meant?

 

[evoredy]

You're good then/if max you see is 12 PSI. Still have your car logged (I say this to everyone) to make sure there's nothing prematurely causing motor issues (AFR/TIMING/IDC specifically).