This sucks! I just blew another Headgasket. It runs ok, but when I shut it off, and only after it is off it bubbles like crazy into the overflow.
I ran it for about 2 months with the timing set on 13* with the spout out. I had even beat on it with the FMU unhooked like this with no problems.
I recieved my tweecer a few weeks back and set up a tune that Should have given normal timing up to about 2500 rpms then drop it off sharply to 13*. I had hooked the FMU back up also. I had driven it to work 4-5 times 25miles each way, and had beat on it at will. I was grinning from ear to ear every time I got in it.
Tuesday, It was a little wet out but I drove it about 7 miles from my house in which time it did warm up to 180 degrees. I left it set for 2 hours before heading home. The gage was showing below 120 when started it. When I left I sat through a one red light and headed onto the highway. In second I jumped on it and may have bumped the limiter and then ran it up into third. Not nearly the floggings it had been getting, and when I got home I heard the overflow bubbling.
I have checked the car over at least each evening I had driven it and know for certain this is when the problem began to occur.
I had several HG changes last year, and want it to stay together this year. My friends and I are all stumped.
Any Input? I didn't hear detination, blowing black out the tailpipes under heavy boost, 13* total timing from 2500 up.
Was it to cold?
P1SC 14# 2 core intercooler, 42# injectors with 75mm pro-m, Regular GT40 Irons off of a 97 Explorer, Explorer Upper and lower, Trick flow stage 1 cam, 1.7 rr, Shorty headers into 2 1/2 exhaust, a9l with tweecer RT.
Last year with this problems I had: the heads decked, short block rebuilt and checked for straightness. The best I can figure it is now 8.5:1 compression. This spring I found out the btm was bad so I sent it in for repair and bought a tweecer.
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