I ran into this on a twin turbo inter-cooled application. The air disch temp to the engine was running approx 80'f and carried condenced water to the cylinders. We regulated the cooling water to the inter-coolers to bring the air dish temp up a little at a time...at approx 90 to 95'f the...
Quick easy check if you can, take a set of crankshaft deflection readings. Then check main brg journal run outs. If you have deflection with no run out its a bearing/bore deviation. If you have good deflection with high run out you have a bend/whip in your crank shaft. NO DEFLECTION & NO RUN OUT...
Check your #5 cap and saddle "outside" dimentions for distortion. A quick check would be to try and fit a 0.0015 feeler btwn the cap and saddle parting lines. If you find a problem at 5 you should check both adjacent brgs etc..etc.
If you don't have or OEM won't give you the spec, you...
VERY POSSIBLE AND NOT UNCOMMON. WE SEE THIS ALOT IN THE DIESEL DRIVEN GENERATOR AREA. THE SOURCE OF CURRENT CAN BE CARELESS WELDING, GENERATOR BEARING INSULATION FAILURE, STRAY (EDDY) CURRENT FROM GENERATOR, SHORTED TEMP PROB, ETC.. MOST DIESEL MANUFACTURERS SHOW FAILURES OF THIS TYPE IN THIER...
JASPER,
DON'T FORGET TO FACTOR IN THE WATER TEMP! TEMP=DENSITY=RESISTENCE=SPEED OF ACCENT. DEPENDING ON YOUR TIME/LENGTH OF ACCENT YOU MAY PASS THROUGH ANY NUMBER OF THERMO LAYERS PRIOR TO REACHING THE SURFACE. SORRY, DIDN'T MEAN TO BUST YOUR BUBBLE!
