Join Date: Apr 2006
Location: the back hills of W V
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Hey thar Rick, how ya`ll doin?? I personally dont think its vapor locking. I`ll relate an experience I had yrs ago w/ a truck, during my career as a mechanic.........We had this large trash truck, an International, w/ the big straight six in her. ( Dont ask me when the CU. IN were, too many years have done passed...Anyhow, this trk would run great, going up the gears, 1st, 2nd, 3rd, and when she hit high gear, (4th) it would just fall on its face, no power. After checking all kinds of stuff, I took off the fuel inlet hose from the carb, ran it into a bottle, started the trk and raised the motor....... At idle, the fuel stream seemed normal, but raising the motor, the fuel stream just went down to a trickle, thus, causing the symptom. The problem was------ A small seed had worked into the elbow fitting going out of the gas tank, thus restricting the flow when it was needed most. Removed the fitting, blew out the seed, and after that, the trk ran fine......... My point is, could be the fuel flow is being restricted just when you need it most. Id suggest doing the same thing i did, remove that fuel line, run it in a bottle, and raise that motor, watch the flow of the gas........Just an idea, from my memory bank, hope its helpful to ya............. take care !!