The injector that is blowing bubbles might also be allowing coolant into the cylinder. There is a brass sleeve pressed into the head that seals the coolant from the combustion chamber. It is sealed at the bottom by the injector. If there is dirt under the injector it will keep the injector from applying equal pressure all around the bottom where it seals. The same spots that allow the bubbles to come out may also allow the coolant in. Make sure you get the bubbles repaired before using this engine.
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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