Thread: Overheat problem?
09-14-2008, 08:13 PM #1
I'm encountering a intermittent overheat problem:
SKi is as follows:
2004 RXP...Riva Stage II with the following additions....
-4" rear air intake
-Riva ECU & injectors
-Greenbox & J-pipe shortened (the pipe that drops into the waterbox) exiting at Rude thru hull location
-Jims rideplate & skegs
It's your basic Stage II+ setup. It turns 8350rpms and runs pretty good up top.
It will run all day long under 8000r's with no problems. As soon as I run a WOT run (8350rpms) it will make it for about 10 seconds (maybe less) and throw the high temp warning (open loop side, not closed loop side).....
09-14-2008, 08:21 PM #2
1 of 3 possibilities.
1- You blocked your j-pipe holes.
2- Your intercooler is clogged
3- There is a small crack in either a water hose or the intercooler that is not showing unless you are at WOT.
Unfortunatly I have experienced all 3 at one time or another.
09-14-2008, 08:28 PM #3
-Well....I presure tested the IC back when I pulled the head and it held pressure fine.
-I installed all new water lines when I put it all back together....
-J-pipe holes are a possability (I'll check that)
-The problem wasn't there initially after I re-assembled everything but showed up after running it a while without a strainer (was troubleshooting a problem with getting the strainer to seal and not leak). I thought I back flushed it very thoroughly but I'll start checking through the whole process again....
09-14-2008, 08:32 PM #4
If it is a waterflow issue. Which I think it is. An easy way to confirm is to plug your flush tube with a on/off hose connector. If it no longer over heats it is definitlay a water concern.
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